title: Adding checkbox to Gridview
body: <p>Im trying to add a checkbox to a gridview so that users can select multiple items, but the checkbox is not showing up. Here is my code below. I dont have datafield b/c its tie into a particular column.</p>
  
  <pre><code> &lt;asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"&gt;
          &lt;Columns&gt;
              &lt;asp:CheckBoxField HeaderText="SELECT"  /&gt;
              &lt;asp:BoundField DataField="ICAO" HeaderText="ICAO" /&gt;
              &lt;asp:BoundField DataField="IATA" HeaderText="IATA" /&gt;
              &lt;asp:BoundField DataField="AIRPORT_NAME" HeaderText="AIRPORT NAME" /&gt;
              &lt;asp:BoundField DataField="CITY" HeaderText="CITY" /&gt;
              &lt;asp:BoundField DataField="COUNTRY" HeaderText="COUNTRY" /&gt;
              &lt;asp:BoundField DataField="REVISED_DATE" HeaderText="REVISED DATE" /&gt;
              &lt;asp:BoundField DataField="EMAIL_DATE" HeaderText="EMAIL DATE" /&gt;
  
          &lt;/Columns&gt;
      &lt;/asp:GridView&gt;
  </code></pre>