title: how to separate more than 1 value in a text box with a semicolon in asp.net autocomplete textbox
body: <p>I have a text box with auto complete extender and it works fine. How can I allow the user to enter more than 1 value  by separting the first value with a semicolon(;)    </p>
  
  <pre><code>&lt;asp:TextBox ID="txt_to" runat="server" /&gt;
  
   &lt;asp:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" TargetControlID="txt_to"
   MinimumPrefixLength="2" CompletionInterval="10" EnableCaching="true" FirstRowSelected="true" CompletionSetCount="3" UseContextKey="True" ServiceMethod="GetCompletionList" /&gt;
  </code></pre>