public void PopulateGrid() { objclsBALApplication = new clsBALApplication(); DataSet ds = objclsBALApplication.GetServerLists(); gvServer.DataSource = ds; gvServer.DataBind(); Session[clsEALSession.Servers] = ds; if (ViewState["SortExpression"] != null && ViewState["sortDirection"] != null) { SortGridView(ViewState["SortExpression"].ToString(), ViewState["sortDirection"].ToString()); } }