title: How to set currency format for textbox?
body: <p>I want enter numbers into textbox and textbox would convert automatically these number into currency.(12,345,654)</p>
  
  <p>I can use FilteredTextBoxExtender </p>
  
  <pre><code>&lt;ajaxToolkit:FilteredTextBoxExtender ID="ftbe" runat="server"
  TargetControlID="TextBox3"         
  FilterType="Custom, Numbers"
  ValidChars="," /&gt;
  </code></pre>
  
  <p>But i want to  automatically add commas when user enters number.</p>