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DBNull.xml
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<Type Name="DBNull" FullName="System.DBNull">
<TypeSignature Language="C#" Value="public sealed class DBNull" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit DBNull extends System.Object" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1" />
<TypeSignature Language="DocId" Value="T:System.DBNull" />
<TypeSignature Language="VB.NET" Value="Public NotInheritable Class DBNull" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1" />
<TypeSignature Language="F#" Value="type DBNull = class" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1" />
<TypeSignature Language="C++ CLI" Value="public ref class DBNull sealed" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1" />
<TypeSignature Language="C#" Value="public sealed class DBNull : IConvertible, System.Runtime.Serialization.ISerializable" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-2.0;netstandard-2.1" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit DBNull extends System.Object implements class System.IConvertible, class System.Runtime.Serialization.ISerializable" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netstandard-2.0;netstandard-2.1" />
<TypeSignature Language="VB.NET" Value="Public NotInheritable Class DBNull
Implements IConvertible, ISerializable" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-2.0;netstandard-2.1" />
<TypeSignature Language="F#" Value="type DBNull = class
 interface IConvertible
 interface ISerializable" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netstandard-2.0;netstandard-2.1" />
<TypeSignature Language="C++ CLI" Value="public ref class DBNull sealed : IConvertible, System::Runtime::Serialization::ISerializable" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-2.0;netstandard-2.1" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi serializable sealed beforefieldinit DBNull extends System.Object implements class System.IConvertible, class System.Runtime.Serialization.ISerializable" FrameworkAlternate="netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<TypeSignature Language="F#" Value="type DBNull = class
 interface ISerializable
 interface IConvertible" FrameworkAlternate="netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<TypeForwardingChain>
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Runtime" ToVersion="5.0.0.0" FrameworkAlternate="net-5.0" />
<TypeForwarding From="System.Data.Common" FromVersion="5.0.0.0" To="System.Runtime" ToVersion="5.0.0.0" FrameworkAlternate="net-5.0" />
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Runtime" ToVersion="6.0.0.0" FrameworkAlternate="net-6.0" />
<TypeForwarding From="System.Data.Common" FromVersion="6.0.0.0" To="System.Runtime" ToVersion="6.0.0.0" FrameworkAlternate="net-6.0" />
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Runtime" ToVersion="7.0.0.0" FrameworkAlternate="net-7.0" />
<TypeForwarding From="System.Data.Common" FromVersion="7.0.0.0" To="System.Runtime" ToVersion="7.0.0.0" FrameworkAlternate="net-7.0" />
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Runtime" ToVersion="8.0.0.0" FrameworkAlternate="net-8.0" />
<TypeForwarding From="System.Data.Common" FromVersion="8.0.0.0" To="System.Runtime" ToVersion="8.0.0.0" FrameworkAlternate="net-8.0" />
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Runtime" ToVersion="9.0.0.0" FrameworkAlternate="net-9.0" />
<TypeForwarding From="System.Data.Common" FromVersion="9.0.0.0" To="System.Runtime" ToVersion="9.0.0.0" FrameworkAlternate="net-9.0" />
<TypeForwarding From="System.Data.Common" FromVersion="4.2.0.0" To="System.Runtime" ToVersion="4.2.0.0" FrameworkAlternate="netcore-2.0" />
<TypeForwarding From="System.Data.Common" FromVersion="4.2.1.0" To="System.Runtime" ToVersion="4.2.1.0" FrameworkAlternate="netcore-2.1;netcore-2.2;netcore-3.0" />
<TypeForwarding From="System.Data.Common" FromVersion="4.2.2.0" To="System.Runtime" ToVersion="4.2.2.0" FrameworkAlternate="netcore-3.1" />
</TypeForwardingChain>
<Base>
<BaseTypeName>System.Object</BaseTypeName>
</Base>
<Interfaces>
<Interface FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-2.0;netstandard-2.1">
<InterfaceName>System.IConvertible</InterfaceName>
</Interface>
<Interface FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-2.0;netstandard-2.1">
<InterfaceName>System.Runtime.Serialization.ISerializable</InterfaceName>
</Interface>
</Interfaces>
<Attributes>
<Attribute FrameworkAlternate="net-8.0;net-9.0">
<AttributeName Language="C#">[System.Runtime.CompilerServices.Nullable(0)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.CompilerServices.Nullable(0)>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="net-8.0;net-9.0">
<AttributeName Language="C#">[System.Runtime.CompilerServices.NullableContext(1)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.CompilerServices.NullableContext(1)>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Serializable]</AttributeName>
<AttributeName Language="F#">[<System.Serializable>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Runtime.InteropServices.ComVisible(true)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.InteropServices.ComVisible(true)>]</AttributeName>
</Attribute>
</Attributes>
<Docs>
<summary>Represents a nonexistent value. This class cannot be inherited.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.DBNull> class represents a nonexistent value. In a database, for example, a column in a row of a table might not contain any data whatsoever. That is, the column is considered to not exist at all instead of merely not having a value. A <xref:System.DBNull> object represents the nonexistent column. Additionally, COM interop uses the <xref:System.DBNull> class to distinguish between a VT_NULL variant, which indicates a nonexistent value, and a VT_EMPTY variant, which indicates an unspecified value.
The <xref:System.DBNull> type is a singleton class, which means only one <xref:System.DBNull> object exists. The <xref:System.DBNull.Value?displayProperty=nameWithType> member represents the sole <xref:System.DBNull> object. <xref:System.DBNull.Value?displayProperty=nameWithType> can be used to explicitly assign a nonexistent value to a database field, although most ADO.NET data providers automatically assign values of <xref:System.DBNull> when a field does not have a valid value. You can determine whether a value retrieved from a database field is a <xref:System.DBNull> value by passing the value of that field to the `DBNull.Value.Equals` method. However, some languages and database objects supply methods that make it easier to determine whether the value of a database field is <xref:System.DBNull.Value?displayProperty=nameWithType>. These include the Visual Basic `IsDBNull` function, the <xref:System.Convert.IsDBNull%2A?displayProperty=nameWithType> method, the <xref:System.Data.DataTableReader.IsDBNull%2A?displayProperty=nameWithType> method, and the <xref:System.Data.IDataRecord.IsDBNull%2A?displayProperty=nameWithType> method.
Do not confuse the notion of `null` in an object-oriented programming language with a <xref:System.DBNull> object. In an object-oriented programming language, `null` means the absence of a reference to an object. <xref:System.DBNull> represents an uninitialized variant or nonexistent database column.
## Examples
The following example calls the `DBNull.Value.Equals` method to determine whether a database field in a contacts database has a valid value. If it does, the field value is appended to the string output in a label.
:::code language="csharp" source="~/snippets/csharp/System/DBNull/Overview/DBNullExamples.cs" id="Snippet1":::
:::code language="fsharp" source="~/snippets/fsharp/VS_Snippets_CLR_System/system.DBNull.Class/fs/DBNullExamples.fs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.DBNull.Class/vb/DBNullExamples.vb" id="Snippet1":::
]]></format>
</remarks>
<altmember cref="F:System.Convert.DBNull" />
<altmember cref="M:System.Convert.IsDBNull(System.Object)" />
<altmember cref="T:System.Runtime.InteropServices.VarEnum" />
</Docs>
<Members>
<Member MemberName="GetObjectData">
<MemberSignature Language="C#" Value="public void GetObjectData (System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void GetObjectData(class System.Runtime.Serialization.SerializationInfo info, valuetype System.Runtime.Serialization.StreamingContext context) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.GetObjectData(System.Runtime.Serialization.SerializationInfo,System.Runtime.Serialization.StreamingContext)" />
<MemberSignature Language="VB.NET" Value="Public Sub GetObjectData (info As SerializationInfo, context As StreamingContext)" />
<MemberSignature Language="F#" Value="abstract member GetObjectData : System.Runtime.Serialization.SerializationInfo * System.Runtime.Serialization.StreamingContext -> unit
override this.GetObjectData : System.Runtime.Serialization.SerializationInfo * System.Runtime.Serialization.StreamingContext -> unit" Usage="dBNull.GetObjectData (info, context)" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual void GetObjectData(System::Runtime::Serialization::SerializationInfo ^ info, System::Runtime::Serialization::StreamingContext context);" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.Runtime.Serialization.ISerializable.GetObjectData(System.Runtime.Serialization.SerializationInfo,System.Runtime.Serialization.StreamingContext)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
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<summary>Implements the <see cref="T:System.Runtime.Serialization.ISerializable" /> interface and returns the data needed to serialize the <see cref="T:System.DBNull" /> object.</summary>
<remarks>To be added.</remarks>
<exception cref="T:System.ArgumentNullException">
<paramref name="info" /> is <see langword="null" />.</exception>
<altmember cref="T:System.Runtime.Serialization.ISerializable" />
<altmember cref="T:System.Runtime.Serialization.SerializationInfo" />
<altmember cref="T:System.Runtime.Serialization.StreamingContext" />
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<AssemblyInfo>
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<altmember cref="T:System.IConvertible" />
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<altmember cref="T:System.IConvertible" />
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<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
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<returns>None. The return value for this member is not used.</returns>
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<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
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<remarks>To be added.</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
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<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
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<returns>None. The return value for this member is not used.</returns>
<remarks>To be added.</remarks>
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<altmember cref="T:System.IConvertible" />
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<AssemblyInfo>
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<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Double</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="provider" Type="System.IFormatProvider" Index="0" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
</Parameters>
<Docs>
<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
<summary>This conversion is not supported. Attempting to make this conversion throws an <see cref="T:System.InvalidCastException" />.</summary>
<returns>None. The return value for this member is not used.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
</Docs>
</Member>
<Member MemberName="System.IConvertible.ToInt16">
<MemberSignature Language="C#" Value="short IConvertible.ToInt16 (IFormatProvider provider);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance int16 System.IConvertible.ToInt16(class System.IFormatProvider provider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.System#IConvertible#ToInt16(System.IFormatProvider)" />
<MemberSignature Language="VB.NET" Value="Function ToInt16 (provider As IFormatProvider) As Short Implements IConvertible.ToInt16" />
<MemberSignature Language="F#" Value="abstract member System.IConvertible.ToInt16 : IFormatProvider -> int16
override this.System.IConvertible.ToInt16 : IFormatProvider -> int16" Usage="dBNull.System.IConvertible.ToInt16 provider" />
<MemberSignature Language="C++ CLI" Value=" virtual short System.IConvertible.ToInt16(IFormatProvider ^ provider) = IConvertible::ToInt16;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.IConvertible.ToInt16(System.IFormatProvider)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int16</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="provider" Type="System.IFormatProvider" Index="0" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
</Parameters>
<Docs>
<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
<summary>This conversion is not supported. Attempting to make this conversion throws an <see cref="T:System.InvalidCastException" />.</summary>
<returns>None. The return value for this member is not used.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
</Docs>
</Member>
<Member MemberName="System.IConvertible.ToInt32">
<MemberSignature Language="C#" Value="int IConvertible.ToInt32 (IFormatProvider provider);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance int32 System.IConvertible.ToInt32(class System.IFormatProvider provider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.System#IConvertible#ToInt32(System.IFormatProvider)" />
<MemberSignature Language="VB.NET" Value="Function ToInt32 (provider As IFormatProvider) As Integer Implements IConvertible.ToInt32" />
<MemberSignature Language="F#" Value="abstract member System.IConvertible.ToInt32 : IFormatProvider -> int
override this.System.IConvertible.ToInt32 : IFormatProvider -> int" Usage="dBNull.System.IConvertible.ToInt32 provider" />
<MemberSignature Language="C++ CLI" Value=" virtual int System.IConvertible.ToInt32(IFormatProvider ^ provider) = IConvertible::ToInt32;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.IConvertible.ToInt32(System.IFormatProvider)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="provider" Type="System.IFormatProvider" Index="0" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
</Parameters>
<Docs>
<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
<summary>This conversion is not supported. Attempting to make this conversion throws an <see cref="T:System.InvalidCastException" />.</summary>
<returns>None. The return value for this member is not used.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
</Docs>
</Member>
<Member MemberName="System.IConvertible.ToInt64">
<MemberSignature Language="C#" Value="long IConvertible.ToInt64 (IFormatProvider provider);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance int64 System.IConvertible.ToInt64(class System.IFormatProvider provider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.System#IConvertible#ToInt64(System.IFormatProvider)" />
<MemberSignature Language="VB.NET" Value="Function ToInt64 (provider As IFormatProvider) As Long Implements IConvertible.ToInt64" />
<MemberSignature Language="F#" Value="abstract member System.IConvertible.ToInt64 : IFormatProvider -> int64
override this.System.IConvertible.ToInt64 : IFormatProvider -> int64" Usage="dBNull.System.IConvertible.ToInt64 provider" />
<MemberSignature Language="C++ CLI" Value=" virtual long System.IConvertible.ToInt64(IFormatProvider ^ provider) = IConvertible::ToInt64;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.IConvertible.ToInt64(System.IFormatProvider)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int64</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="provider" Type="System.IFormatProvider" Index="0" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
</Parameters>
<Docs>
<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
<summary>This conversion is not supported. Attempting to make this conversion throws an <see cref="T:System.InvalidCastException" />.</summary>
<returns>None. The return value for this member is not used.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
</Docs>
</Member>
<Member MemberName="System.IConvertible.ToSByte">
<MemberSignature Language="C#" Value="sbyte IConvertible.ToSByte (IFormatProvider provider);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance int8 System.IConvertible.ToSByte(class System.IFormatProvider provider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.System#IConvertible#ToSByte(System.IFormatProvider)" />
<MemberSignature Language="VB.NET" Value="Function ToSByte (provider As IFormatProvider) As SByte Implements IConvertible.ToSByte" />
<MemberSignature Language="F#" Value="abstract member System.IConvertible.ToSByte : IFormatProvider -> sbyte
override this.System.IConvertible.ToSByte : IFormatProvider -> sbyte" Usage="dBNull.System.IConvertible.ToSByte provider" />
<MemberSignature Language="C++ CLI" Value=" virtual System::SByte System.IConvertible.ToSByte(IFormatProvider ^ provider) = IConvertible::ToSByte;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.IConvertible.ToSByte(System.IFormatProvider)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-1.1">
<AttributeName Language="C#">[System.CLSCompliant(false)]</AttributeName>
<AttributeName Language="F#">[<System.CLSCompliant(false)>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.SByte</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="provider" Type="System.IFormatProvider" Index="0" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
</Parameters>
<Docs>
<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
<summary>This conversion is not supported. Attempting to make this conversion throws an <see cref="T:System.InvalidCastException" />.</summary>
<returns>None. The return value for this member is not used.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
</Docs>
</Member>
<Member MemberName="System.IConvertible.ToSingle">
<MemberSignature Language="C#" Value="float IConvertible.ToSingle (IFormatProvider provider);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance float32 System.IConvertible.ToSingle(class System.IFormatProvider provider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.System#IConvertible#ToSingle(System.IFormatProvider)" />
<MemberSignature Language="VB.NET" Value="Function ToSingle (provider As IFormatProvider) As Single Implements IConvertible.ToSingle" />
<MemberSignature Language="F#" Value="abstract member System.IConvertible.ToSingle : IFormatProvider -> single
override this.System.IConvertible.ToSingle : IFormatProvider -> single" Usage="dBNull.System.IConvertible.ToSingle provider" />
<MemberSignature Language="C++ CLI" Value=" virtual float System.IConvertible.ToSingle(IFormatProvider ^ provider) = IConvertible::ToSingle;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.IConvertible.ToSingle(System.IFormatProvider)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Single</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="provider" Type="System.IFormatProvider" Index="0" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
</Parameters>
<Docs>
<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
<summary>This conversion is not supported. Attempting to make this conversion throws an <see cref="T:System.InvalidCastException" />.</summary>
<returns>None. The return value for this member is not used.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
</Docs>
</Member>
<Member MemberName="System.IConvertible.ToType">
<MemberSignature Language="C#" Value="object IConvertible.ToType (Type type, IFormatProvider provider);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance object System.IConvertible.ToType(class System.Type type, class System.IFormatProvider provider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.System#IConvertible#ToType(System.Type,System.IFormatProvider)" />
<MemberSignature Language="VB.NET" Value="Function ToType (type As Type, provider As IFormatProvider) As Object Implements IConvertible.ToType" />
<MemberSignature Language="F#" Value="abstract member System.IConvertible.ToType : Type * IFormatProvider -> obj
override this.System.IConvertible.ToType : Type * IFormatProvider -> obj" Usage="dBNull.System.IConvertible.ToType (type, provider)" />
<MemberSignature Language="C++ CLI" Value=" virtual System::Object ^ System.IConvertible.ToType(Type ^ type, IFormatProvider ^ provider) = IConvertible::ToType;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.IConvertible.ToType(System.Type,System.IFormatProvider)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Object</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="type" Type="System.Type" Index="0" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
<Parameter Name="provider" Type="System.IFormatProvider" Index="1" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
</Parameters>
<Docs>
<param name="type">The type to convert the current <see cref="T:System.DBNull" /> object to.</param>
<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface and is used to augment the conversion. If <see langword="null" /> is specified, format information is obtained from the current culture.</param>
<summary>Converts the current <see cref="T:System.DBNull" /> object to the specified type.</summary>
<returns>The boxed equivalent of the current <see cref="T:System.DBNull" /> object, if that conversion is supported; otherwise, an exception is thrown and no value is returned.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Three conversions are supported: If the `type` parameter specifies <xref:System.Object> or <xref:System.DBNull>, the return value is the current <xref:System.DBNull> object itself. If the `type` parameter specifies <xref:System.String>, the return value is the string returned by the <xref:System.DBNull.ToString%2A> method.
]]></format>
</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<exception cref="T:System.ArgumentNullException">
<paramref name="type" /> is <see langword="null" />.</exception>
<altmember cref="T:System.Type" />
<altmember cref="T:System.IConvertible" />
</Docs>
</Member>
<Member MemberName="System.IConvertible.ToUInt16">
<MemberSignature Language="C#" Value="ushort IConvertible.ToUInt16 (IFormatProvider provider);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance unsigned int16 System.IConvertible.ToUInt16(class System.IFormatProvider provider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.System#IConvertible#ToUInt16(System.IFormatProvider)" />
<MemberSignature Language="VB.NET" Value="Function ToUInt16 (provider As IFormatProvider) As UShort Implements IConvertible.ToUInt16" />
<MemberSignature Language="F#" Value="abstract member System.IConvertible.ToUInt16 : IFormatProvider -> uint16
override this.System.IConvertible.ToUInt16 : IFormatProvider -> uint16" Usage="dBNull.System.IConvertible.ToUInt16 provider" />
<MemberSignature Language="C++ CLI" Value=" virtual System::UInt16 System.IConvertible.ToUInt16(IFormatProvider ^ provider) = IConvertible::ToUInt16;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.IConvertible.ToUInt16(System.IFormatProvider)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-1.1">
<AttributeName Language="C#">[System.CLSCompliant(false)]</AttributeName>
<AttributeName Language="F#">[<System.CLSCompliant(false)>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.UInt16</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="provider" Type="System.IFormatProvider" Index="0" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
</Parameters>
<Docs>
<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
<summary>This conversion is not supported. Attempting to make this conversion throws an <see cref="T:System.InvalidCastException" />.</summary>
<returns>None. The return value for this member is not used.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
</Docs>
</Member>
<Member MemberName="System.IConvertible.ToUInt32">
<MemberSignature Language="C#" Value="uint IConvertible.ToUInt32 (IFormatProvider provider);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance unsigned int32 System.IConvertible.ToUInt32(class System.IFormatProvider provider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.System#IConvertible#ToUInt32(System.IFormatProvider)" />
<MemberSignature Language="VB.NET" Value="Function ToUInt32 (provider As IFormatProvider) As UInteger Implements IConvertible.ToUInt32" />
<MemberSignature Language="F#" Value="abstract member System.IConvertible.ToUInt32 : IFormatProvider -> uint32
override this.System.IConvertible.ToUInt32 : IFormatProvider -> uint32" Usage="dBNull.System.IConvertible.ToUInt32 provider" />
<MemberSignature Language="C++ CLI" Value=" virtual System::UInt32 System.IConvertible.ToUInt32(IFormatProvider ^ provider) = IConvertible::ToUInt32;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.IConvertible.ToUInt32(System.IFormatProvider)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Data.Common</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-1.1">
<AttributeName Language="C#">[System.CLSCompliant(false)]</AttributeName>
<AttributeName Language="F#">[<System.CLSCompliant(false)>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.UInt32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="provider" Type="System.IFormatProvider" Index="0" FrameworkAlternate="netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netstandard-2.0;netstandard-2.1;netcore-3.1;net-5.0;net-6.0;net-7.0;netframework-4.8.1;net-8.0;net-9.0" />
</Parameters>
<Docs>
<param name="provider">An object that implements the <see cref="T:System.IFormatProvider" /> interface. (This parameter is not used; specify <see langword="null" />.)</param>
<summary>This conversion is not supported. Attempting to make this conversion throws an <see cref="T:System.InvalidCastException" />.</summary>
<returns>None. The return value for this member is not used.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.InvalidCastException">This conversion is not supported for the <see cref="T:System.DBNull" /> type.</exception>
<altmember cref="T:System.IConvertible" />
</Docs>
</Member>
<Member MemberName="System.IConvertible.ToUInt64">
<MemberSignature Language="C#" Value="ulong IConvertible.ToUInt64 (IFormatProvider provider);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance unsigned int64 System.IConvertible.ToUInt64(class System.IFormatProvider provider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.DBNull.System#IConvertible#ToUInt64(System.IFormatProvider)" />
<MemberSignature Language="VB.NET" Value="Function ToUInt64 (provider As IFormatProvider) As ULong Implements IConvertible.ToUInt64" />
<MemberSignature Language="F#" Value="abstract member System.IConvertible.ToUInt64 : IFormatProvider -> uint64
override this.System.IConvertible.ToUInt64 : IFormatProvider -> uint64" Usage="dBNull.System.IConvertible.ToUInt64 provider" />
<MemberSignature Language="C++ CLI" Value=" virtual System::UInt64 System.IConvertible.ToUInt64(IFormatProvider ^ provider) = IConvertible::ToUInt64;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.IConvertible.ToUInt64(System.IFormatProvider)</InterfaceMember>