[DotNetDevelopment] e.RowIndex Index was out of range. Must be non-negative and less than the size of the collection

[shookim]

I've been stuck on this error for a whole day!!!  I've searced the
www, and can't find anything useful.  In GridView1_RowUpdating is
where the code bombs, I've marked line below.  Help!

<asp:GridView id="GridView1" runat="server" CssClass="Grid"
DataKeyNames="ID"
   AllowPaging="false"
   OnRowEditing = "GridView1_RowEditing"
   OnRowUpdating = "GridView1_RowUpdating"
   AutoGenerateColumns="False"
   EnableViewState="false" ShowFooter="true">
   <FooterStyle ForeColor="#4A3C8C" BackColor="#B5C7DE"></
FooterStyle>
       <HeaderStyle Font-Bold="True" ForeColor="#F7F7F7"
BackColor="#4A3C8C"></HeaderStyle>
       <Columns>
       <asp:TemplateField  HeaderText="ID">
           <ItemTemplate>
                   <%#Eval("ID")%>
           </ItemTemplate>
        </asp:TemplateField>
       <asp:CommandField ShowEditButton="true" EditText="Edit"
CausesValidation="false" />
       <asp:CommandField ShowDeleteButton="true" EditText="Delete" />
       <asp:TemplateField  HeaderText="mlsnum">
           <EditItemTemplate>
               <asp:TextBox ID="txtMls" runat="server" Text='<%#
Bind("mlsnum") %>'/>
           </EditItemTemplate>
           <ItemTemplate>
                   <%#Eval("mlsnum")%>
           </ItemTemplate>
       </asp:TemplateField>
       <asp:TemplateField  HeaderText="Address">
           <EditItemTemplate>
               <asp:TextBox ID="txtAddress" runat="server" Text='<%#
Bind("Address") %>'/>
           </EditItemTemplate>
           <ItemTemplate>
                   <%#Eval("Address")%>
           </ItemTemplate>
       </asp:TemplateField>
--->end asp code

-----vb code----
Sub BindData()

       Dim strSqlConnection As String =
ConfigurationManager.AppSettings("ConnectionString")
       Dim strSqlStatement As String
       Dim sqlConn As SqlConnection
       Dim dsAdSignup As New DataSet
       Dim objDS = New DataSet

       objDS.DataSetName = "dsAdSignup"
       sqlConn = New SqlConnection(strSqlConnection)

       strSqlStatement = "select * from tblAdSignup"

      Dim cmd As SqlCommand
       Dim dataAdapter As New SqlDataAdapter

       cmd = New SqlCommand(strSqlStatement, sqlConn)

       dataAdapter.SelectCommand = cmd
       dataAdapter.Fill(dsAdSignup)
       GridView1.DataSource = dsAdSignup
       GridView1.DataBind()

   End Sub

 Protected Sub GridView1_RowUpdating(ByVal sender As Object, ByVal e
As GridViewUpdateEventArgs)

       ID = GridView1.DataKeys(e.RowIndex).Value
       Dim txtAddress As String
       txtAddress =
CType(GridView1.Rows(e.RowIndex).FindControl("txtAddress"),
TextBox).Text  <----this is where it bombs

End Sub


-------END CODE------

txtAddress =
CType(GridView1.Rows(e.RowIndex).FindControl("txtAddress"),
TextBox).Text  is where it is bombing, help!