title: Compare two input fields in asp.net mvc
body: <p>i have two properties in model class:</p>
  
  <pre><code>public DateTime StartDate { get; set; }
  public DateTime EndDate { get; set; }
  </code></pre>
  
  <p>here,<code>StartDate</code> should be always less than <code>EndDate</code> 
  is there any data annotation for this in asp.net mvc</p>