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Add _isReleasingDataSource to prevent unnecessary operations on CurrentCell when changing or releasing DataSource #13320

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Merged
Tanya-Solyanik merged 3 commits into from
Apr 21, 2025
Merged

Add _isReleasingDataSource to prevent unnecessary operations on CurrentCell when changing or releasing DataSource #13320

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ecf5b7f
Add _isReleasingDataSource to prevent unnecessary operations on Curre…
LeafShi1 Apr 17, 2025
0d1418f
Add a new flag _dataGridViewOper[OperationInReleasingDataSource] inst…
LeafShi1 Apr 21, 2025
59cbb81
Removing field _isReleasingDataSource
LeafShi1 Apr 21, 2025
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3 changes: 2 additions & 1 deletion src/System.Windows.Forms/System/Windows/Forms/Controls/DataGridView/DataGridView.Methods.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -27017,7 +27017,8 @@ protected virtual bool SetCurrentCellAddressCore(int columnIndex,
int oldCurrentCellY = _ptCurrentCell.Y;
if (oldCurrentCellX >= 0
&& !_dataGridViewState1[State1_TemporarilyResetCurrentCell]
&& !_dataGridViewOper[OperationInDispose])
&& !_dataGridViewOper[OperationInDispose]
&& !_isReleasingDataSource)
{
DataGridViewCell currentCell = CurrentCellInternal;
if (!EndEdit(
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13 changes: 12 additions & 1 deletion src/System.Windows.Forms/System/Windows/Forms/Controls/DataGridView/DataGridView.cs
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Expand Up @@ -345,6 +345,7 @@ private const DataGridViewAutoSizeRowCriteriaInternal InvalidDataGridViewAutoSiz
private int _inBulkPaintCount;
private int _inBulkLayoutCount;
private int _inPerformLayoutCount;
private bool _isReleasingDataSource;

private int _keyboardResizeStep;
private Rectangle _resizeClipRectangle;
Expand Down Expand Up @@ -1921,7 +1922,17 @@ public object? DataSource
newDataSource.Disposed += OnDataSourceDisposed;
}

CurrentCell = null;
_isReleasingDataSource = true;

try
{
CurrentCell = null;
}
finally
{
_isReleasingDataSource = false;
}

if (DataConnection is null)
{
DataConnection = new DataGridViewDataConnection(this);
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