title: How to save excel chart as an image using c#?
body: <p>I have <strong>excel files</strong> which contains few charts, and I must display these charts on the web page. Additionally I can't install <strong>excel</strong> on server machine. </p>
  
  <p>I've checked the following free libraries: </p>
  
  <p><code>epplus, closedxml, spreadsheetlight</code>. </p>
  
  <p>But they are not support that kind of operation.</p>
  
  <p>Do you know any free library which can help me with that? </p>