title: I am looking for the information about Excel embed into the WinForm. (under C# 4.0)
body: <p>I am looking for the information about Excel embed into the WinForm.</p>
  
  <p>I am developing under C# 4.0, WinForm now.</p>
  
  <p>My question is
  How could I excel embed into the form?
  How could I open excel file in the WinForm apps?</p>
  
  <p>As I know, when the control,  WebBrowser(or AxSHDocVw.AxWebBrowser) is using, it was working before under ealier .NET runtime.
  But I don't know why the way is not working anymore.
  For security or whatever.</p>
  
  <p>So I want to know have any better way to embed or open Excel file in the win form?
  I hope you could let me know useful information for that.</p>
  
  <p>Please, help me, I will waiting for the information.</p>
  
  <p>Thanks.</p>