| GrapeCity.Windows.SpreadSheet.Data Namespace > Worksheet Class : ClearSpanCells Method | 
gcSpreadSheet1.Sheets[0].AddSpanCell(1, 1, 3, 3);
gcSpreadSheet1.Invalidate();
      
private void button1_Click(object sender, RoutedEventArgs e)
  {
        gcSpreadSheet1.Sheets[0].ClearSpanCells(GrapeCity.Windows.SpreadSheet.Data.SheetArea.Cells);
        gcSpreadSheet1.Invalidate();
   }GcSpreadSheet1.Sheets(0).AddSpanCell(1, 1, 3, 3) GcSpreadSheet1.Invalidate() Private Sub Button1_Click(sender As System.Object, e As System.Windows.RoutedEventArgs) Handles Button1.Click GcSpreadSheet1.Sheets(0).ClearSpanCells(GrapeCity.Windows.SpreadSheet.Data.SheetArea.Cells) GcSpreadSheet1.Invalidate() End Sub
Target Platforms: Windows 7, Windows 8 Desktop, Windows Vista SP1 or later, Windows Server 2000, Windows 2000 Professional (SP4), Windows XP (SP2), Windows 2008, Windows 2003 Server (SP1)