Fileuploadcomplete function not invoking for Ajaxtoolkit:AsyncFileUpload used in Listview Insert template

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ASP.NET

hi
I working on a asp.net application in Visual Studio 2013. I have used a Listview to add cutomer record and used a Ajaxtoolkit:AsyncFileUpload control to load a image.
The designer code is given below:

<td>
<cc1:AsyncFileUpload ID="asJointMemberPicture" runat="server"
Width="100%" UploaderStyle="Modern"                                                        CompleteBackColor="White"                                                        UploadingBackColor="#CCFFFF"                                                        OnClientUploadStarted="jointOwnerInsertUploadStarted"                                                        OnUploadedComplete="JointOwnerInsertFileUploadComplete"                                                        OnClientUploadComplete="jointOwnerInsertUploadComplete" />
                                            </td>

but the JointOwnerInsertFileUploadComplete function which should be invoked is not invoking as i checked in debugger.

Another point is that the Ajaxtoolkit:AsynFileUpload is working properly in the same page where used outside the Listview.

any kind of idea what is the issue will be appreciated.

thanks and bye.