or
C# code:protected void rlbClntService_Transferring(object sender, RadListBoxTransferringEventArgs e){ string hHold = Uc_Client.Clients.SelectedValue; double pLevel, eligibility; string sItem; pLevel = objBLLClntServ.GetClientPLevel(hHold); sItem = rlbClntService.SelectedItem.Value; eligibility = objBLLClntServ.GetEForSelectedItem(sItem); if (pLevel > eligibility) { //ScriptManager.RegisterStartupScript(this, GetType(), "showalert", "alert('Client is not eligible.');", true); lblWarning.Text = "This client not eligible. "; mpuWarning.Show(); } }ASPX:<table> <tr> <td> <telerik:RadListBox ID="rlbClntService" runat="server" AllowTransfer="True" AllowTransferDuplicates="false" AutoPostBack="true" AllowTransferOnDoubleClick="True" AutoPostBackOnTransfer="true" EnableDragAndDrop="true" Height="130px" Skin="Forest" TransferToID="rlbSelectedServices" Width="400px" OnTransferring="rlbClntService_Transferring"> <ButtonSettings ShowReorder="false" ShowTransferAll="false" /> </telerik:RadListBox> </td> <td> <table> <tr> <td> <asp:Label ID="lblSelectedServices" runat="server" CssClass="label" Text="Selected Services" /> </td> </tr> <tr> <td> <telerik:RadListBox ID="rlbSelectedServices" runat="server" AllowDelete="true" Height="110px" Skin="Forest" Width="400px"> <ButtonSettings ShowDelete="true" TransferButtons="All" /> </telerik:RadListBox> </td> </tr> </table> </td> </tr> </table>

<telerik:RadComboBox ID="MultiCheckComboLocation" runat="server" CheckBoxes="true" Width="80%" ZIndex="1000000" OnSelectedIndexChanged="MultiCheckComboLocation_SelectedIndexChanged" ShowMoreResultsBox="true" AutoPostBack="true" OnClientBlur="IsCheckAllSelected" EnableVirtualScrolling="true" CheckedItemsTexts="DisplayAllInInput" EnableCheckAllItemsCheckBox="true" EnableEmbeddedSkins="False" EnableEmbeddedScripts="False"></telerik:RadComboBox><telerik:RadComboBox ID="cboEmployee2" EmptyMessage="Select Employee ID or Name" Width="250px" CheckBoxes="true" Skin="Default" EnableLoadOnDemand="True" ShowMoreResultsBox="false" ForeColor="Black" EnableVirtualScrolling="true" Font-Size="12px" OnClientItemChecked="OnClientItemCheckedEmp2" OnClientDropDownClosed="OnClientSelectedIndexChangedEmp2" AutoPostBack="false" runat="server" OnItemsRequested="cboEmp2_ItemsRequested" EnableCheckAllItemsCheckBox="true" OnClientLoad="OnClientLoad2" ZIndex="1000000" OnClientBlur="IsCheckAllSelected2" ShowToggleImage="false" EnableEmbeddedSkins="False" EnableEmbeddedScripts="False"></telerik:RadComboBox>},getElementByClassName:function(d,c,g){if(d.getElementsByClassName){return d.getElementsByClassName(c)[0];
We are using IE9 in Standard IE9 mode.
Chrome and Firefox fail silently while Firefox reports a "TypeError: d is null"
How do I fix?



