title: Display Success Message Box in ASP.NET C#
body: <p>How can I display messagebox with success logo in ASP.net, I can only display alert message box by using these code.</p>
  
  <pre><code>ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('Please dont leave text boxes blank');",true); 
  </code></pre>
  
  <p>Many thanks.</p>