title: How to limit the number of characters allowed in a textbox?
body: <pre><code>&lt;asp:TextBox ID="txtBodySMS" runat="server" Rows="10"                          
             TextMode="MultiLine" Width="100%"&gt;&lt;/asp:TextBox&gt;
  </code></pre>
  
  <p>This is my text box. How do I limit the number of characters a user can type inside it?</p>