title: C# -Excel interoperability
body: <p>I want to call Excel Sheet from C# 4.0 (VS 2010 Express Edition) .</p>
  
  <p>When i declare ,</p>
  
  <pre><code>Microsoft.Office.Interop.Excel.ApplicationClass excel =
      new Microsoft.Office.Interop.Excel.ApplicationClass();
  
  excel.Visible = true;
  </code></pre>
  
  <p>I receive error as</p>
  
  <p><em>Interop type 'Microsoft.Office.Interop.Excel.ApplicationClass' cannot be embedded. Use the applicable interface instead.</em>  </p>
  
  <p>What is the soultion ?</p>