Convert SqlDataSource into a DataTable

Use the below code to convert SqlDataSource into a DataTable.

private DataTable ConvertToDataTable(SqlDataSource sd)
{
  System.Data.DataView dv = new System.Data.DataView();
  System.Data.DataTable dtExcel = new System.Data.DataTable();
  dv = (System.Data.DataView)sd.Select(DataSourceSelectArguments.Empty);
  dtExcel = dv.ToTable();

  return dtExcel;
}