update

instat/Model/DataFrame/clsDataFrame.vb

@@ -181,6 +181,7 @@ Public Class clsDataFrame
             Else
                 bRefreshed = False
             End If
+            _clsVisibleDataFramePage.HasDataChangedForAutoSave = True
         End If
         _clsColumnMetaData.RefreshData()
         Return bRefreshed

instat/Model/DataFrame/clsDataFramePage.vb

@@ -31,6 +31,7 @@ Public Class clsDataFramePage
     Private _lstColumns As List(Of clsColumnHeaderDisplay)
     Private _hasChanged As Boolean
     Private _useColumnSelectionInDataView As Boolean
+    Private _HasDataChangedForAutoSave As Boolean
 
     Private ReadOnly Property iColumnIncrements As Integer
         Get
@@ -140,6 +141,19 @@ Public Class clsDataFramePage
         End Set
     End Property
 
+    ''' <summary>
+    ''' holds whether the dataframe is different from visual grid component and trigger auto save
+    ''' </summary>
+    ''' <returns></returns>
+    Public Property HasDataChangedForAutoSave() As Boolean
+        Get
+            Return _HasDataChangedForAutoSave
+        End Get
+        Set(ByVal value As Boolean)
+            _HasDataChangedForAutoSave = value
+        End Set
+    End Property
+
     ''' <summary>
     ''' Create a new instance of a dataframe page
     ''' </summary>
@@ -152,6 +166,7 @@ Public Class clsDataFramePage
         _iColumnStart = 1
         _iRowStart = 1
         _hasChanged = True
+        _HasDataChangedForAutoSave = True
         _useColumnSelectionInDataView = True
     End Sub
 

instat/dlgCalculator.vb

@@ -122,10 +122,8 @@ Public Class dlgCalculator
         clsDetachScalarsFunction.AddParameter("unload", "TRUE")
 
         ucrBase.clsRsyntax.AddToBeforeCodes(clsAttachFunction, 0)
-        ucrBase.clsRsyntax.AddToBeforeCodes(clsAttachScalarsFunction, 1)
 
         ucrBase.clsRsyntax.AddToAfterCodes(clsDetachFunction, 1)
-        ucrBase.clsRsyntax.AddToAfterCodes(clsDetachScalarsFunction, 2)
 
         ucrBase.clsRsyntax.SetCommandString("")
 
@@ -204,22 +202,34 @@ Public Class dlgCalculator
             Dim strResut As String = ucrCalc.ucrSaveResultInto.GetText
             clsAddScalarFunction.AddParameter("scalar_name", Chr(34) & strResut & Chr(34), iPosition:=1)
             clsAddScalarFunction.AddParameter("scalar_value", strResut, iPosition:=2)
+            clsAddScalarFunction.AddParameter("data_name", Chr(34) & dataFrameName & Chr(34), iPosition:=0)
+            clsScalarsDataFuntion.AddParameter("data_name", Chr(34) & dataFrameName & Chr(34), iPosition:=0)
             ucrBase.clsRsyntax.AddToAfterCodes(clsAddScalarFunction, 0)
+            ucrBase.clsRsyntax.AddToBeforeCodes(clsAttachScalarsFunction, 1)
+            ucrBase.clsRsyntax.AddToAfterCodes(clsDetachScalarsFunction, 2)
             ucrBase.clsRsyntax.SetAssignTo(strResut)
             ucrCalc.ucrSaveResultInto.btnColumnPosition.Enabled = False
             ucrCalc.ucrSaveResultInto.btnColumnPosition.Visible = True
             ucrCalc.ucrSaveResultInto.ucrChkSave.Checked = False
             ucrCalc.ucrSaveResultInto.ucrChkSave.Enabled = False
             ucrCalc.ucrSaveResultInto.ucrInputComboSave.Visible = True
             ucrCalc.ucrSaveResultInto.ucrInputComboSave.Enabled = True
+        ElseIf ucrCalc.ucrSelectorForCalculations.checkBoxScalar.Checked Then
+            Dim strResut As String = ucrCalc.ucrSaveResultInto.GetText
+            clsAddScalarFunction.AddParameter("data_name", Chr(34) & dataFrameName & Chr(34), iPosition:=0)
+            clsScalarsDataFuntion.AddParameter("data_name", Chr(34) & dataFrameName & Chr(34), iPosition:=0)
+            ucrBase.clsRsyntax.AddToAfterCodes(clsAddScalarFunction, 0)
+            ucrBase.clsRsyntax.AddToBeforeCodes(clsAttachScalarsFunction, 1)
+            ucrBase.clsRsyntax.AddToAfterCodes(clsDetachScalarsFunction, 2)
         Else
             ucrBase.clsRsyntax.RemoveFromAfterCodes(clsAddScalarFunction)
+            ucrBase.clsRsyntax.RemoveFromBeforeCodes(clsAttachScalarsFunction)
+            ucrBase.clsRsyntax.RemoveFromAfterCodes(clsDetachScalarsFunction)
             ucrCalc.ucrSaveResultInto.btnColumnPosition.Enabled = True
             ucrCalc.ucrSaveResultInto.btnColumnPosition.Visible = True
             ucrCalc.ucrSaveResultInto.ucrChkSave.Enabled = True
             ucrCalc.ucrSaveResultInto.ucrInputComboSave.Visible = True
             ucrCalc.ucrSaveResultInto.ucrInputComboSave.Enabled = True
-
         End If
 
         ' Update command string and clear input try message name
@@ -253,7 +263,6 @@ Public Class dlgCalculator
             ucrBase.clsRsyntax.AddToBeforeCodes(clsAttachScalarsFunction, 1)
 
             ucrBase.clsRsyntax.AddToAfterCodes(clsDetachFunction, 1)
-            ucrBase.clsRsyntax.AddToAfterCodes(clsDetachScalarsFunction, 2)
             ucrCalc.ucrSaveResultInto.Enabled = True
             ucrCalc.ucrChkStoreScalar.Visible = True
         Else