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Error : exception has been thrown by the target of an invocation

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Mr.siLeNt asked on 02 Mar 2012, 06:59 PM

Hi.
I added telerik radmenu on my website project and i want to build Radmenu.
when i go on radmenu smart tag and select "Build Radmenu" i see this error : "exception has been thrown by the target of an invocation"
But in the Source page i writing this codes(for example):

<telerik:RadMenu ID="RadMenu1" Runat="server"
        EnableTheming="True" style="top: 0px; left: 0px"
        onitemclick="RadMenu1_ItemClick">
       <Items>
                <telerik:RadMenuItem Text="Products" Value="1" ExpandMode="WebService">

                </telerik:RadMenuItem>
                <telerik:RadMenuItem Text="Purchase" Value="132" ExpandMode="WebService">
                </telerik:RadMenuItem>
                <telerik:RadMenuItem Text="Support" Value="141" ExpandMode="WebService">
                </telerik:RadMenuItem>
                <telerik:RadMenuItem Text="Community" Value="155" ExpandMode="WebService">
                </telerik:RadMenuItem>
                <telerik:RadMenuItem Text="Corporate" Value="164" ExpandMode="WebService">
                </telerik:RadMenuItem>
            </Items>
    </telerik:RadMenu>
----------------------------------------------------------------------------------------------------------------------------------------------
after this codes when i go back on Design page i see Radmenu items Builded . but i dont want to write the codes, i want when i select
Build Radmenu on smart tag , show me the window item collection to build items and childitems. as like Getting started menu on help radmenu.
so please help me , is it a bug or something like this ? or the problem is my Visual studio ?

Error : exception has been thrown by the target of an invocation

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