title: 'System.Web.UI.WebControls.TextBoxMode' does not contain a definition for 'Date'
body: <p>Error Message:
  'System.Web.UI.WebControls.TextBoxMode' does not contain a definition for 'Date'        </p>
  
  <p>Code:</p>
  
  <pre><code>&lt;asp:TextBox ID="lastDate" runat="server" autocomplete="off" TextMode="Date" &gt;&lt;/asp:TextBox&gt;
  
                   &lt;ajax:CalendarExtender ID="lastDate_CalendarExtender" runat="server" 
                       Enabled="True" TargetControlID="lastDate"&gt;
  </code></pre>