or
<telerik:RadGrid ID="gridAreasAndTopic" runat="server" EnableTheming="false" OnNeedDataSource="gridAreasAndTopics_NeedDataSource" Skin="WebBlue" AutoGenerateColumns="False" ShowFooter="true"> <MasterTableView AutoGenerateColumns="false" EditMode="InPlace" ShowFooter="True" TableLayout="Auto" GroupLoadMode="Client"> <GroupByExpressions> <telerik:GridGroupByExpression> <SelectFields> <telerik:GridGroupByField FieldName="areaName" FieldAlias="Area" /> </SelectFields> <GroupByFields> <telerik:GridGroupByField FieldName="areaName"></telerik:GridGroupByField> </GroupByFields> </telerik:GridGroupByExpression> </GroupByExpressions> <PagerStyle Mode="NextPrevAndNumeric" /> <Columns> <telerik:GridBoundColumn DataField="idArea" HeaderText="idArea" Visible="false" ItemStyle-Width="0%"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="idTopic" HeaderText="idTopic" Visible="false" ItemStyle-Width="0%"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="TopicName" Aggregate="Count" HeaderText="TopicName" ItemStyle-Width="100%"> </telerik:GridBoundColumn> <telerik:GridTemplateColumn> <ItemTemplate> <asp:ImageButton ImageUrl="~/App_Themes/InsticcLayout/images/box/error.png" runat="server" ID="lnkDeleteAreaTopic" Text="Add" OnClick="lnkDeleteAreaTopic_Click" CausesValidation="false"> </asp:ImageButton> </ItemTemplate> </telerik:GridTemplateColumn></Columns><HeaderStyle HorizontalAlign="Center" /><ItemStyle HorizontalAlign="Left" /><FilterItemStyle HorizontalAlign="Center" /><GroupHeaderItemStyle HorizontalAlign="Left" /></MasterTableView> <ClientSettings AllowGroupExpandCollapse="True"></ClientSettings></telerik:RadGrid> <telerik:RadGrid ID="RadGrid1" runat="server" onitemdatabound="RadGrid1_ItemDataBound"> <MasterTableView autogeneratecolumns="False" ClientDataKeyNames="id"> <RowIndicatorColumn> <HeaderStyle Width="20px"></HeaderStyle> </RowIndicatorColumn> <ExpandCollapseColumn> <HeaderStyle Width="20px"></HeaderStyle> </ExpandCollapseColumn> <Columns> <telerik:GridBoundColumn DataField="id" DataType="System.Int32" HeaderText="id" ReadOnly="True" SortExpression="id" UniqueName="id" Visible="false"> <ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" /> </telerik:GridBoundColumn> <telerik:GridTemplateColumn UniqueName="payable" HeaderText="payable"> <ItemTemplate > <asp:Label ID="lbl_payable" runat="server"></asp:Label> </ItemTemplate> <ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" /> </telerik:GridTemplateColumn> </Columns> </MasterTableView> <ClientSettings> <ClientEvents OnRowSelected="RowSelected" /> <Selecting AllowRowSelect="True" /> </ClientSettings></telerik:RadGrid>function RowSelected(sender, eventArgs){
// how get lbl_payable}