File upload control inside updatepanel asp.net

So, the control always has to post full page postback. To resolve this problem we need to rely upon a standard postback i. This will initiate a normal postback whenever we click the upload button and then it is possible to upload the file. You need to create a PostBackTrigger for the button that initiates postback like as follows.

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Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Another issue I run into is that now the custom controls in the form does not trigger the TextChanged event. The control post back to the server but doesn't trigger the event. The content you requested has been removed. Ask a question. Quick access. Search related threads.

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