Private void Button1_Click(object sender, System.EventArgs e)
{
  FarPoint.Web.Spread.Model.DefaultSheetDataModel dm = (FarPoint.Web.Spread.Model.DefaultSheetDataModel)FpSpread1.ActiveSheetView.DataModel;
  dm.AddColumns(2, 2);        
}
	 
	
		Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
  Dim dm As FarPoint.Web.Spread.Model.DefaultSheetDataModel = CType(FpSpread1.ActiveSheetView.DataModel, FarPoint.Web.Spread.Model.DefaultSheetDataModel)
  dm.AddColumns(2, 2)
End Sub