Post multipart/form-data in C# to upload photos on facebook

I have closely looked into ea开发者_Python百科ch of the links on stackoverlow and tested them with facebook , but none of them is working for facebook. It throws an error each time (improper format). Please help me , I need a facebook developer in C# to help me out.

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We have samples on uploading video and photos in a Facebook nuget sample package.

Can you try this and check out the code please?

Install-Package Facebook.Sample