how website check the file uploaded by user is image or not. i want to do this开发者_开发知识库 in asp.net mvc c#
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).
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......
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