In GridDataBoundGrid selection can be cleared by using Selection.Clear() method. The Clear method of ranges is used to remove the collection along from the Ranges collection where the Selection.Clear() is used to remove all selection from Grid.
While sorting the column using cell click on header cell, Current cell is moved to first cell if grid doesn’t has any current cell. Due to this, selection also moved to the first row. You can avoid this issue by using CurrentCellMoving event.
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