title: Properties in asp.net ? Declarations of Properties?
body: <p>in web application, i am trying to declare property, i found in some of blogs that they declare property like this : </p>
  
  <pre><code> public System.Nullable&lt;DateTime&gt; LoginDateTime { get; set; }
  </code></pre>
  
  <p>what is the meaning of the above property.</p>