title: ASP.NET MVC show result without refreshing page
body: <p>I did a currency converter. but i have a problem. when i click the calculate the page refreshing and the datas which entered by user is cleaning. i think it is because of using <code>return View();</code> :) .How can i solve this problem? Thanks</p>
  
  <pre><code>{
      ViewBag.Result = frmAmount;
  }
  return View();
  </code></pre>
  
  <p>View</p>
  
  <pre><code>&lt;/p&gt;
  &lt;p&gt;
      &lt;label for="text3"&gt;Amount:&lt;/label&gt;
      &lt;input type="text" name="frmAmount" /&gt;
  &lt;/p&gt;
  &lt;p&gt;
      &lt;input type="submit" value="Calculate" /&gt;
  &lt;/p&gt;
  &lt;p&gt;
      &lt;label for="text3"&gt;Sonuç:@ViewBag.Result&lt;/label&gt;
  &lt;/p&gt;
  </code></pre>
  
  <p>For Example the amount be wiped when button clicked</p>