How to find the extension of a file in C

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I'm uploading video files to a page in my web application (ASP.NET, C#), however I only want to upload flv videos. When I upload other extension movies, how can I set a limit?
Jun 11, 2022 in C# by pranav
• 2,580 points
125 views

1 answer to this question.

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Go to here https://docs.microsoft.com/en-us/dotnet/api/system.io.path.getextension?redirectedfrom=MSDN&view=net-6.0#System_IO_Path_GetExtension_System_String_

string myFilePath = @"C:\MyFile.txt";
string ext = Path.GetExtension(myFilePath);

And that is it!

answered Jun 21, 2022 by jyoti
• 1,240 points

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