How to validate file upload control from templatefield button in gridview using javascript?

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Dear sir,

please help me...

How to validate file upload control from templatefield button in gridview using javascript? (these two controls are having inside GridView Controls).

How can validate this???

Note: Access only Image file formats then it will Return true. otherwise(Other formats) return false.

By Mohan

Posted 13-Feb-12 2:14am

Mohankumar.Engain

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Herman<T>.Instance 13-Feb-12 8:43am

maybe show code? Now it is guessing what your problem is and which events you use

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Christian Graus · Answer 1 · 2012-02-13T05:36:00

I don't believe you can interact with the upload control in javascript, for security purposes. I think all you can do, is recieve the file on the server. But, I could be wrong, and in general, you assign your controls a meaningful id so you can use javascript to find them and interact with them.