title: Upload File to the Telegram
body: <p>How to send a file into the telegram api in C# and getting a file_id to reference? </p>
  
  <p>the question is <em>how can I upload a file to the telegram server through a C# code?</em></p>
  
  <p>I found <a href="https://core.telegram.org/api/files" rel="nofollow noreferrer">this</a> in telegram api, but I cannot understand the syntax.</p>