or

<telerik:GridTemplateColumn HeaderText="Select" UniqueName="AssetId"> <ItemTemplate> <asp:CheckBox ID="CheckBox1" runat="server" /> </ItemTemplate></telerik:GridTemplateColumn> protected void UpdateButton_Click(object sender, EventArgs e) { for (int i = 0; i < RadGrid1.MasterTableView.Items.Count; i++) { bool isChecked = ((CheckBox)RadGrid1.MasterTableView.FindControl("CheckBox1")).Checked; if (isChecked) { Label lbl = ((Label)RadGrid1.FindControl("lblRadItemId")) as Label; LabelValue = ((Label)RadGrid1.Rows[i].Cells[8].FindControl("lblRadItemId")).Text; }}<telerik:RadComboBox ID="Persons" runat="server" DataTextField="Name" DataValueField="Id" MarkFirstMatch="true" AppendDataBoundItems="true"> <Items> <telerik:RadComboBoxItem runat="server" Value="0" Text="" /> </Items> </telerik:RadComboBox><telerik:RadCodeBlock ID="RadCodeBlock2" runat="server"> <script type="text/javascript"> function onInqGridCmd(sender, eventArgs) { } </script></telerik:RadCodeBlock> <telerik:RadGrid ID="RadGrid1" DataSourceID="SqlDataSource1" EnableEmbeddedSkins="true" Skin="Gray" AllowSorting="True" AllowPaging="True" PageSize="5" runat="server" GridLines="None" Width="100%"> <PagerStyle Mode="NextPrevAndNumeric"></PagerStyle> <ClientSettings> <Scrolling AllowScroll="true" SaveScrollPosition="true" UseStaticHeaders="true" /> <ClientEvents OnCommand="onInqGridCmd"></ClientEvents> </ClientSettings> </telerik:RadGrid><asp:SqlDataSource ID="SqlDataSource1" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" ProviderName="System.Data.SqlClient" SelectCommand="SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, PostalCode FROM Customers" runat="server"></asp:SqlDataSource>DockCommand settingsCommand = new DockCommand();settingsCommand.Name = "Local Settings";settingsCommand.Text = "Local Settings";settingsCommand.CssClass = "LocalSettings";settingsCommand.AutoPostBack = false;settingsCommand.OnClientCommand = "ShowLocalSettings";Commands.Add(settingsCommand);function ShowLocalSettings(sender, eventArgs) { radDock = sender; var oWindow = window.radopen(null, "LocalSettingsWindow"); oWindow.center();}