I have two asyncupload controls on one page, each calls the same custom "FileHandler" which uploads the file to a database. How can I determine the ID of the asyncupload control that calls the handler from within the handler process code?
1 Answer, 1 is accepted
answered on 01 Nov 2013, 09:12 AM
You could handle the OnClientFileUploading event and attach query string parameters to the request. Please review the following help article how it should be implemented.
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