title: String is a class and cannot be used as an expression
body: <p>I typed the following in Visual Studio 2010 Express, it is a sample Windows app for navigating to a URI in the web browser:</p>
  
  <pre><code>Private Sub Button1_Click(sender As System.Object, e As RoutedEventArgs)
  String site = TextBox1.Text.
  </code></pre>
  
  <p>I get an Error:</p>
  
  <blockquote>
    <p>String is a class type and cannot be used as an expression visual studio 2010 express</p>
  </blockquote>
  
  <p>The source can be found at</p>
  
  <p><a href="http://msdn.microsoft.com/en-us/library/ff402526(v=vs.92).aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/ff402526(v=vs.92).aspx</a></p>