vb.net - I have a dropdown list in a GridView EditTemplate not saving the selection back to SQL -

this using sqldatasource. can see choices , choosing 1 works, click update button not save anything. missing?

<asp:templatefield headertext="status" sortexpression="status">                 <edititemtemplate>                     <asp:dropdownlist id="dropdownlist1" runat="server" autopostback="true"                          width="99px"                          selectedvalue='<%# bind("status") %>'>                         <asp:listitem>open</asp:listitem>                         <asp:listitem>closed</asp:listitem>                     </asp:dropdownlist>                 </edititemtemplate>                 <itemtemplate>                     <asp:label id="label14" runat="server" text='<%# bind("status") %  >'></asp:label>                 </itemtemplate>             </asp:templatefield>