The following code will work with the following requirements:

1. You are using .NET Framework 2.0
2. You already have WebBrowser control added into your Windows Form

public void DisplayHTML(String strHTML)
{
  if (strHTML != "")
  {         
    if (this.webBrowser2.Document != null)
    {              
      HtmlDocument doc = this.webBrowser2.Document.OpenNew(true);
      doc.Write(strHTML);
    }
    else
    {
      this.webBrowser2.DocumentText = strHTML;
    }               
  }
}

Incoming Search

.net, browser, html