title: How to get full double value
body: <p>I want get full double value in c#, for EX:</p>
  
  <pre><code>double a = 984554546543213213215465879875645432132112548787;
  MessageBox.Show(a.ToString());
  </code></pre>
  
  <p>//get: 984554546543213213215465879875645432132112548787</p>
  
  <p>but get 9.84554546543213E+47</p>
  
  <p>I use <a href="http://www.yoda.arachsys.com/csharp/DoubleConverter.cs" rel="nofollow">DoubleConverter</a> but its not working, its get:</p>
  
  <p>//984554546543213265388222902015563129359765078016</p>