title: How to add namespace in aspx file?
body: <p>i have added C# code in <code>aspx</code> file, but it is showing error</p>
  
  <blockquote>
    <p>The type or namespace name 'Mail' does not exist in the class or
    namespace 'System.Net' (are you missing an assembly reference?)</p>
  </blockquote>
  
  <p>How i can add nampespace to aspx file i have tried <code>&lt;%@ import namespace="Westwind.Tools"%&gt;</code> but it does not work?</p>