<script type="text/javascript"> //<![CDATA[ function mergeFileUploaded(sender, args) { <%= Page.GetPostBackEventReference(LB_doUploadData)%>; } function mergeUplOK(sender, eventArgs) { $telerik.$(".mergeuplErr") .html(''); } function mergeValidationFailed(sender, eventArgs) { $telerik.$(".mergeuplErr") .html('<%= GetTranslation("invalidmergefile") %>'); sender.deleteFileInputAt(0); } //]]> </script> <telerik:RadAsyncUpload ID="RadAsyncUpload_Data" HttpHandlerUrl="~/uploadHandler.ashx" runat="server" MaxFileInputsCount="1" AllowedFileExtensions="csv,xls,xlsx,tsv" OnClientFilesUploaded="mergeFileUploaded" OnClientFileUploading="mergeUplOK" OnClientValidationFailed="mergeValidationFailed" /> <div id="uplErr" class="mergeuplErr"></div>