title: If statement on dropDownList listItem
body: <p>I need to add a condition to a DropDownList where a method can be executed by button click only if the user has selected a value different than the listItem (default value).</p>
  
  <pre><code>&lt;asp:DropDownList ID="DropDownList1" runat="server" AppendDataBoundItems="True"
       DataSourceID="SqlDataSource5" 
       DataTextField="proj_name" DataValueField="proj_name"&gt;
          &lt;asp:ListItem Text="Select a project to clone" Value="" /&gt;
  &lt;/asp:DropDownList&gt;
  </code></pre>
  
  <p>How can I structure an if condition to validate that the selected value is not the ListItem (default value)?</p>