Open URL (Hyperlink) From C# Standalone Applications

To open a URL from within a C# Application just

    string destination = "http://www.ycsoftware.net"; 

    try
        {
         System.Diagnostics.Process.Start(destination);
        }
    catch
        (
         System.ComponentModel.Win32Exception noBrowser)
        {
         if (noBrowser.ErrorCode==-2147467259)
          MessageBox.Show(noBrowser.Message);
        }
    catch (System.Exception other)
        {
          MessageBox.Show(other.Message);
        }

Reference : http://support.microsoft.com/kb/305703