html - Required an alert of success or failure after form post in asp.net -

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i have input box , html file uploader in form. want submit text of input box , uploaded file saved in database , need success or failure alert in html page. i've no idea how can this. have done procedure of getting post value , save in database can't give alert web page.net mvc3. using asp.net mvc3. kind of appriciated.

   httpcontext.current.response.write                 ("<script>alert('" + pagetable[page].dequeue() + "');</script>");

see example you


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