protected void Page_Load(object sender, EventArgs e)
{
   if (!IsPostBack)
   {
      CreateGrid();
   }
}

private void CreateGrid()
{
   DataSet dsGrid = new DataSet();
   dsGrid = (DataSet)ConfigurationManager.
      GetSection("system.web/DataSetSectionHandler");
   gv.DataSource = dsGrid.Tables[0];
   gv.DataBind();
}
