listview linq datasource insert template

it seems should candid nonetheless i'm boggling. i've got listview setup organization linq datasource. source contingent dropdown list decides bend information arrangement listview. correct template works glorious nonetheless insert template won't work since wants bend id i wish dropdownlist outmost listview nonetheless i don't know both bond value set template. looks this:

<insertitemtemplate>
    <tr style="">
      <td>
         <asp:button id="insertbutton" runat="server" commandname="insert" 
               text="insert" />
     </td>
      <td>
       <asp:textbox id="rechargeratetextbox" runat="server" 
          text='<%# bind("rechargerate") %>' />
         </td>
              <td>
       <asp:calendar selecteddate='<%# bind("startdate") %>' id="calendar1"  runat="server"></asp:calendar>                                    
       </td>
           </tr>
    </insertitemtemplate>

i need tag there binds value databound asp dropdownlist outmost listview insert work.