Merge pull request #1836 from EPPlusSoftware/bug/i1835

#1835 - Insert row in table caused corrupt workbook

Author: OssianEPPlus

src/EPPlus/Table/ExcelTable.cs

@@ -1142,7 +1142,7 @@ public ExcelRangeBase InsertRow(int position, int rows=1, bool copyStyles=true)
 
             if (_address._fromRow > firstRow)
             {
-                _address = new ExcelAddressBase(firstRow, _address._fromCol, _address._toRow, _address._toCol, _address._fromRowFixed, _address._fromColFixed, _address._toRowFixed, _address._toColFixed, _address.WorkSheetName, null);
+                Address = new ExcelAddressBase(firstRow, _address._fromCol, _address._toRow, _address._toCol, _address._fromRowFixed, _address._fromColFixed, _address._toRowFixed, _address._toColFixed, _address.WorkSheetName, null);
             }
 
             return range;

src/EPPlusTest/Issues/TableIssues.cs

@@ -3,6 +3,8 @@
 using System.IO;
 using OfficeOpenXml.FormulaParsing;
 using System;
+using System.Collections.Generic;
+using System.Data;
 
 namespace EPPlusTest.Issues
 {
@@ -52,5 +54,33 @@ public void i1642()
                 SaveAndCleanup(package);
             }
         }
+
+        [TestMethod]
+        public void sc813()
+        {
+
+            var dataTable = new DataTable();
+
+            dataTable.Columns.Add("A", typeof(string));
+            dataTable.Columns.Add("B", typeof(string));
+            dataTable.Columns.Add("C", typeof(string));
+            dataTable.Columns.Add("D", typeof(string));
+            dataTable.Columns.Add("E", typeof(string));
+
+            using var package = OpenPackage("sc813.xlsx", true);
+            var worksheet = package.Workbook.Worksheets.Add("TestSheet");
+            var range = worksheet.Cells["A2"].LoadFromDataTable(dataTable, true);
+            var table = worksheet.Tables.Add(range, "TestTable");
+            table.ShowHeader = true;
+
+            //Initial issue: Commenting either of these insert/load combos will result in a corrupted workbook
+            table.InsertRow(int.MaxValue, 5);
+            worksheet.Cells[table.Address.End.Row, table.Address.Start.Column].LoadFromArrays(new List<object[]> { new[] { "1", "2", "3", "4", "5" } });
+            table.InsertRow(int.MaxValue, 5);
+            worksheet.Cells[table.Address.End.Row, table.Address.Start.Column].LoadFromArrays(new List<object[]> { new[] { "z", "x", "y", "x", "w" } });
+
+
+            SaveAndCleanup(package);
+        }
     }
 }