title: DropdownList with Multi select option?
body: <p>I have a DropDownList as following</p>
  
  <pre><code>&lt;asp:DropDownList ID="ddlRoles" runat="server" AutoPostBack="True" Width="150px"&gt;
  &lt;asp:ListItem Value="9" Text=""&gt;&lt;/asp:ListItem&gt;
  &lt;asp:ListItem Value="0"&gt;None&lt;/asp:ListItem&gt;
  &lt;asp:ListItem Value="1"&gt;Ranu&lt;/asp:ListItem&gt;
  &lt;asp:ListItem Value="2"&gt;Mohit&lt;/asp:ListItem&gt;
  &lt;asp:ListItem Value="3"&gt;Kabeer&lt;/asp:ListItem&gt;
  &lt;asp:ListItem Value="4"&gt;Jems&lt;/asp:ListItem&gt;
  &lt;asp:ListItem Value="5"&gt;Jony&lt;/asp:ListItem&gt;
  &lt;asp:ListItem Value="6"&gt;Vikky&lt;/asp:ListItem&gt;
  &lt;asp:ListItem Value="7"&gt;Satish&lt;/asp:ListItem&gt;
  &lt;asp:ListItem Value="8"&gt;Rony&lt;/asp:ListItem&gt;
  &lt;/asp:DropDownList&gt;
  </code></pre>
  
  <p>I want to select Multiple name at once suppose I want to select Ranu Mohit or Ranu Kabeer Vikky, How its possible?</p>