or
							List<RadTreeNode> checkedNodes = this.trvHierarchy.CheckedNodes.ToList<RadTreeNode>();                 List<string> lstJobNode = new List<string>(); foreach (RadTreeNode node in checkedNodes) {       if (string.IsNullOrEmpty(node.Value) == false       && node.CheckState == TreeNodeCheckState.Checked)        {                 RadTreeNode parentNode = node.ParentNode;
//Only save parent. Don not save child if parent is checked.
                 if (parentNode == null || parentNode.CheckState != TreeNodeCheckState.Checked)                                lstJobNode.Add(node.Value);        }}<telerik:RadWindowManager ID="RadWindowManager1" Behaviors="Close" runat="server"><BR>                                     <Windows><BR>                                         <telerik:RadWindow ID="radWinAddCredit" OpenerElementID="btnAddCreditForTalent" runat="server"<BR>                                             Modal="true" AutoSize="true" Title="Add/Edit Credit"  VisibleStatusbar="false"<BR>                                             VisibleOnPageLoad="False" Skin="WebBlue" Height="300px"  ShowContentDuringLoad="False"<BR>                                             Width="375px"  Behaviors="Close"><BR>                                             <ContentTemplate><BR>                                                 <table class="form" width="100%"><BR>                                                     <tr><BR>                                                         <td class="formLabel-RightAlign" align="left"><BR>                                                             Craft<BR>                                                         </td><BR>                                                         <td><BR>                                                             <telerik:RadComboBox ID="cboCrafts" Skin="WebBlue" Width="205px" ZIndex="5000" MarkFirstMatch="true"<BR>                                                                 EmptyMessage="Type to Select..."  runat="server"><BR>                                                             </telerik:RadComboBox><BR>                                                             <asp:RequiredFieldValidator ID="valCreditCrafts" ControlToValidate="cboCrafts" runat="server"<BR>                                                                 ErrorMessage="Required" InitialValue="Type to Select..."  ValidationGroup="CreditGroup"></asp:RequiredFieldValidator><BR>                                                         </td><BR>                                                     </tr><BR>                                                     <tr><BR>                                                         <td class="formLabel-RightAlign"><BR>                                                             Title<BR>                                                         </td><BR>                                                         <td><BR>                                                             <telerik:RadComboBox ID="cboShowTitles" Skin="WebBlue" ZIndex="5000" Width="205px"<BR>                                                                 EnableAutomaticLoadOnDemand="true" EmptyMessage="Type to Search..."  MarkFirstMatch="true"<BR>                                                                 runat="server" EnableLoadOnDemand="True"  ItemsPerRequest="100"><BR>                                                                 <WebServiceSettings Method="GetShowTitles" Path="../Admin/Controls/AdminService.asmx" /><BR>                                                             </telerik:RadComboBox><BR>                                                             <asp:RequiredFieldValidator ID="valCreditShows" ControlToValidate="cboShowTitles"<BR>                                                                 runat="server" ErrorMessage="Required" InitialValue="Type to Search..."  ValidationGroup="CreditGroup"></asp:RequiredFieldValidator><BR>                                                         </td><BR>                                                     </tr><BR>                                                     <tr><BR>                                                         <td class="formLabel-RightAlign"><BR>                                                             Comment<BR>                                                         </td><BR>                                                         <td><BR>                                                             <asp:TextBox ID="txtCreditComment" CssClass="textFields" runat="server" Width="200px"></asp:TextBox><BR>                                                         </td><BR>                                                     </tr><BR>                                                     <tr><BR>                                                         <td align="right" colspan="2"><BR>                                                             <telerik:RadButton ID="btnSaveCredit" Skin="WebBlue" runat="server" Text="Save" ValidationGroup="CreditGroup"<BR>                                                                 OnClick="btnSaveCredit_Click"><BR>                                                             </telerik:RadButton><BR>                                                         </td><BR>                                                     </tr><BR>                                                 </table><BR>                                             </ContentTemplate><BR>                                         </telerik:RadWindow><BR>                                     </Windows><BR>                                 </telerik:RadWindowManager>Partial code behind for btnSave_Click method...
<P> if (isUpdate)<BR> {<BR>         talentCredit.UpdateTalentCredit(credit);<BR> }<BR> else<BR> {<BR>                        <BR>         talentCredit.CreateTalentCredit(credit);</P> <P> }<BR> SiteMaster masterPage =  (SiteMaster)Page.Master;<BR> masterPage.SetAlertMessage("Credit has been  Saved.", "green");</P> <P> loadCredits(talentId);<BR> radgridCredits.DataBind();</P> <P> <BR> RadWindow rw =  RadWindowManager1.Windows[0];<BR>{<BR>       rw.Visible=false;<BR>}<BR></P>NOTE: This code is in a Try/Catch and DOES NOT error out there. It just errors out in VS2010 with the Javascript Error listed above after RadWindow.Visible=false gets called.
function GetRadWindow(){    var oWindow = null;    if (window.radWindow) oWindow = window.radWindow; //Will work in Moz in all cases, including clasic dialog    else if (window.frameElement.radWindow) oWindow = window.frameElement.radWindow;//IE (and Moz az well)              return oWindow;}