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48

answers:

1
+1  Q: 

how website check that a upload stuff is images or not

how website check the file uploaded by user is image or not. i want to do this in asp.net mvc c#

+4  A: 

pass the file contents into a Bitmap object (using the ctor with Stream parameter), and if the constructor throws an ArgumentException, it's not an image (for popular image formats, mind you).

Shachar  2010-05-09 11:08:08

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