validtating video files

[praCash]

hi all,
greetings,
I want to upload a video file to server folder so i wan to validate it whether it is a correct video file or not in c#,asp.net
plese help me to find this


regards,
PraCash

[Plater]

Most video formats have some sort of header in it, you could look them up and then examine the first X amount of bytes in the uploaded video file and decide if it matches the correct header type?