Add IsHandleCreated before invoking EndEdit

Author: LeafShi1

src/System.Windows.Forms/System/Windows/Forms/Controls/DataGridView/DataGridView.Methods.cs

@@ -14912,19 +14912,7 @@ protected virtual void OnDataSourceChanged(EventArgs e)
     /// </summary>
     private void OnDataSourceDisposed(object? sender, EventArgs e)
     {
-        try
-        {
-            // 1. Modify the state of the current operation to avoid unnecessary operations
-            // when setting DataSource and CurrentCell.
-            // 2. Setting CurrentCell to null then release DataSource.
-            _dataGridViewOper[OperationInReleasingDataSource] = true;
-            CurrentCell = null;
-            DataSource = null;
-        }
-        finally
-        {
-            _dataGridViewOper[OperationInReleasingDataSource] = false;
-        }
+        DataSource = null;
     }
 
     protected virtual void OnDefaultCellStyleChanged(EventArgs e)
@@ -27032,11 +27020,10 @@ protected virtual bool SetCurrentCellAddressCore(int columnIndex,
                 int oldCurrentCellY = _ptCurrentCell.Y;
                 if (oldCurrentCellX >= 0
                     && !_dataGridViewState1[State1_TemporarilyResetCurrentCell]
-                    && !_dataGridViewOper[OperationInDispose]
-                    && !_dataGridViewOper[OperationInReleasingDataSource])
+                    && !_dataGridViewOper[OperationInDispose])
                 {
                     DataGridViewCell currentCell = CurrentCellInternal;
-                    if (!EndEdit(
+                    if (IsHandleCreated && !EndEdit(
                         DataGridViewDataErrorContexts.Parsing | DataGridViewDataErrorContexts.Commit | DataGridViewDataErrorContexts.CurrentCellChange,
                         validateCurrentCell ? DataGridViewValidateCellInternal.Always : DataGridViewValidateCellInternal.Never,
                         fireCellLeave: validateCurrentCell,

src/System.Windows.Forms/System/Windows/Forms/Controls/DataGridView/DataGridView.cs

@@ -222,7 +222,6 @@ public partial class DataGridView : Control, ISupportInitialize
     private const int OperationInEndEdit = 0x00400000;
     private const int OperationResizingOperationAboutToStart = 0x00800000;
     private const int OperationTrackKeyboardColResize = 0x01000000;
-    private const int OperationInReleasingDataSource = 0x02000000;
     private const int OperationMouseOperationMask = OperationTrackColResize | OperationTrackRowResize |
         OperationTrackColRelocation | OperationTrackColHeadersResize | OperationTrackRowHeadersResize;
     private const int OperationKeyboardOperationMask = OperationTrackKeyboardColResize;
@@ -1922,10 +1921,7 @@ public object? DataSource
                     newDataSource.Disposed += OnDataSourceDisposed;
                 }
 
-                if (CurrentCell is not null)
-                {
-                    CurrentCell = null;
-                }
+                CurrentCell = null;
 
                 if (DataConnection is null)
                 {