title: what does mean "_Default" partial class and inherited class "System.Web.UI.Page"
body: <p>I just wanted to know the details that in asp.net, the code behind comes with a partial class "_Default" and this class also inherit from a other class "Page".</p>
  
  <p>what all the functionality in "Page" class and what does mean "_Default" class....why this class is partial.  </p>
  
  <pre><code>namespace WebApplication2
  {
    public partial class _Default : System.Web.UI.Page
    {
      protected void Page_Load(object sender, EventArgs e)
      {
      }
    }
  }
  </code></pre>