public void PopulateGrid() { txtIntitiative.Text = ""; chkUpdate.Checked = false; chkVisible.Checked = false; objclsBALApplication = new clsBALApplication(); DataTable dt = objclsBALApplication.GetInitiativeDetails(); gvInitiative.DataSource = dt; gvInitiative.DataBind(); Session[clsEALSession.Initiatives] = dt; if (ViewState["SortExpression"] != null && ViewState["sortDirection"] != null) { SortGridView(ViewState["SortExpression"].ToString(), ViewState["sortDirection"].ToString()); } }