or

<telerik:RadWindow ID="RadTeams" runat="server" Width="500px" Height="250px" Enabled="true" Modal="true" VisibleTitlebar="false" VisibleStatusbar="false" CssClass="CentTable"> <ContentTemplate> <table class="CentTable"> <tr> <td style="text-align:center">Please Pick Teams to Assign to Region</td> </tr> <tr> <td style="height:5px" ></td> </tr> <tr> <td> <asp:CheckBoxList ID="cbTeams" runat="server" AutoPostBack="false" RepeatDirection="Horizontal" RepeatColumns="3" TextAlign="Right"></asp:CheckBoxList> </td> </tr> <tr> <td style="text-align:center"> <asp:LinkButton ID="lnkSubmit" runat="server" Text="Submit"></asp:LinkButton> <asp:LinkButton ID="lnkCancel" runat="server" Text="Cancel"></asp:LinkButton> </td> </tr> </table> </ContentTemplate> </telerik:RadWindow><telerik:GridTemplateColumn> <ItemTemplate> <asp:LinkButton ID="lnkAssign" runat="server" CommandArgument='<%# Bind("strRegionCode")%>' Text="Assign Teams" CommandName="Assign" OnClientClick='<%# String.Format("addAdminWin({0}, {1}); return false;", Eval("intRegionID"), 2)%>'></asp:LinkButton> </ItemTemplate></telerik:GridTemplateColumn>telerik:RadWindow Tag in Design time. but for me I am passing Qurystring to the URL which is available at run time.<telerik:RadWindowManager ID="ParentRadWindowManager1" runat="server" EnableShadow="true" Style="z-index: 7000"> <Windows> <telerik:RadWindow ID="ParentUserListDialog" runat="server" Title="View record" ReloadOnShow="true" ShowContentDuringLoad="false" Modal="true" BorderStyle="None" NavigateUrl="~/web/Transaction/OPMS_UI_Goals.aspx?KeyValue='2' &GoalId='201301002' &Source='DBrd'"> </telerik:RadWindow> </Windows> </telerik:RadWindowManager>
<script type="text/javascript"> function openWin() { var oManager = window.parent.GetRadWindowManager(); //Show a particular existing window oManager.open(null, "ParentUserListDialog"); } </script>

<telerik:RadTabStrip ID="RadTabStrip1" runat="server" MultiPageID="RadMultiPage1" SelectedIndex="0" ReorderTabsOnSelect="true" Align="Justify" Width="220px" > <Tabs> <telerik:RadTab Text="<%$Resources:Strings,Stores %>" > </telerik:RadTab> <telerik:RadMultiPage ID="RadMultiPage1" runat="server" Width="100%"> <telerik:RadPageView ID="StoresPageView" runat="server"> <telerik:RadAjaxPanel ID="Ajpanel" runat="server"> <telerik:RadTreeList ID="StoreTreeList" runat="server" HideExpandCollapseButtonIfNoChildren="true" ParentDataKeyNames="PARENT_STORE_ID" DataKeyNames="STORE_ID" AllowPaging="false" GridLines="Horizontal" AutoGenerateColumns="false" AllowSorting="true" AllowMultiItemSelection="true" OnNeedDataSource="StoreTreeList_NeedDataSource"> <ItemStyle HorizontalAlign="Left" /> <ClientSettings><Scrolling UseStaticHeaders="true" AllowScroll="true" /> </ClientSettings> <Columns> <telerik:TreeListSelectColumn ></telerik:TreeListSelectColumn> <telerik:TreeListTemplateColumn Display="false" > <ItemTemplate> <asp:HiddenField ID="hf_StoreID" runat="server" Value='<%# Eval("STORE_ID") %>' /> </ItemTemplate> </telerik:TreeListTemplateColumn> <telerik:TreeListBoundColumn DataField="STORE_NAME" HeaderText="Stores" > </telerik:TreeListBoundColumn> </Columns> </telerik:RadTreeList> </telerik:RadAjaxPanel> </telerik:RadPageView>protected void StoreTreeList_NeedDataSource(object sender,TreeListNeedDataSourceEventArgs e){ BindTreeList();} private void BindTreeList() { StoresDT.Select("STORE_ID=" + new WebSiteDataHelper().SelectedStoreID.Value)[0]["PARENT_STORE_ID"] = 0; StoreTreeList.DataSource = StoresDT; } protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { StoreTreeList.ExpandAllItems(); } }