get data in UpdateCommand Datagrid

Hi all,

Here is how i declared my datagrid.
When i click on edit,it is converting the cells to editable textboxes.When i click on update it is raising GridLenders_UpdateCommand

I am trying to get the values changed in my event.But they are comming as empty strings.

I tried with e.items.cells(1).text

Dim txtbox As New TextBox
        txtbox = CType(e.Item.FindControl(e.items.cells(1).text), TextBox)
        MsgBox(txtbox.Text)

But i am getting "" values even there is data .
How to retrive data in this updatecommand  to update my database

<asp:DataGrid ID="gridLenders" runat="server" DataKeyField="id" BorderStyle="Ridge" GridLines="None" BorderWidth="2px" BorderColor="White" BackColor="White" CellPadding= "3" CellSpacing="1" AllowSorting="True" 
			  PagerStyle-HorizontalAlign = "Center" HorizontalAlign="Left" OnEditCommand="gridLenders_EditCommand" OnCancelCommand= "gridLenders_CancelCommand"  OnUpdateCommand="gridLenders_UpdateCommand"
			    OnDeleteCommand= "gridLenders_DeleteCommand" AutoGenerateColumns="false" width="96%" >
 
          
 
        <FooterStyle ForeColor="Black" BackColor="#C6C3C6"></FooterStyle>
 
        <HeaderStyle Font-Bold="True" ForeColor="#FFFFFF" 
 
                  BackColor="#A53A6A"></HeaderStyle>
 
       <FooterStyle BackColor="beige" />
       <Columns>
 
        <asp:BoundColumn DataField="Id" HeaderText="ID"  Visible ="false" >
 
          <ItemStyle BackColor="graytext" />
 
          <HeaderStyle BackColor="graytext" />
 
          </asp:BoundColumn>
 
         
 
          <asp:BoundColumn DataField="Lender" HeaderText="Lender">
 
          <ItemStyle BackColor="GhostWhite" />
 
          </asp:BoundColumn>
 
                  
 
          <asp:BoundColumn DataField="AccreditationId" HeaderText="AccreditationId">
 
          <ItemStyle BackColor="GhostWhite" />
 
          </asp:BoundColumn>
 
        
          <asp:EditCommandColumn CancelText="Cancel" EditText="Edit"  
 
                         UpdateText="Update" HeaderText="Modify">
 
          <ItemStyle BackColor="GhostWhite" />
 
          </asp:EditCommandColumn>
 <asp:ButtonColumn CommandName="Delete" HeaderText="Delete" Text="Delete">
 
          <ItemStyle BackColor="GhostWhite" />
 
          </asp:ButtonColumn>
 </Columns>
 
   </asp:DataGrid>

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