When I programmatically open a datagrid row in edit mode my dropdown in the edittemplate does not show.

ASPX Page
 
<asp:DataGrid TabIndex="3" id="dgPeople" runat="server" CellSpacing="2" GridLines="None" BorderColor="#666699" BorderWidth="1px" AutoGenerateColumns="False" AllowSorting="True" AllowPaging="False" Width="100%">
<Columns>
<asp:TemplateColumn ItemStyle-HorizontalAlign="Center" HeaderStyle-Width="10%" ItemStyle-Width="10%" HeaderStyle-CssClass="clsGridHeaderText" HeaderStyle HorizontalAlign="Center">
  <HeaderTemplate>					<font color="#165A8E">&nbsp;Select&nbsp;</font>
</HeaderTemplate>
<ItemTemplate>
  <asp:RadioButton ID="radSelect" OnCheckedChanged="SelectOnlyOne" GroupName='<%# DataBinder.Eval(Container, "DataItem.UserID")%>' AutoPostBack="True" Runat="server"></asp:RadioButton>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn HeaderText="First Name" HeaderStyle-CssClass="clsGridHeaderText" 
SortExpression="FirstName" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Left" HeaderStyle-Wrap="False" ItemStyle-Wrap="False">
<ItemTemplate>&nbsp;
<asp:Label id="lblFirstName" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.FirstName")%>' ></asp:Label>
</ItemTemplate>
<EditItemTemplate>
                            <asp:TextBox runat="Server" id="txtFirstName" Text='<%# DataBinder.Eval(Container.DataItem, "FirstName")%>' />
                          </EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn HeaderText="Discipline" HeaderStyle-CssClass="clsGridHeaderText" SortExpression="Discipline" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" HeaderStyle-Wrap="False" ItemStyle-Wrap="False">
<ItemTemplate><asp:Label ID="discipline" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Discipline")%>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>						  <asp:DropDownList id="drpDiscipline" runat="server">			 <asp:ListItem Value="1">Physical Therapist</asp:ListItem>
 <asp:ListItem Value="2">Recreational Therapist</asp:ListItem>
<asp:ListItem Value="3">Registered Nurse</asp:ListItem>
<asp:ListItem Value="4">Occupational Therapist, Registered</asp:ListItem>
</asp:DropDownList>
</EditItemTemplate>
</asp:TemplateColumn>
</Columns>
</asp:DataGrid>
 
VB Code Behind
 
THIS IS CALLED WHEN USER CLICKS ON A RADIO BUTTON
Public Sub SelectOnlyOne(ByVal sender As Object, ByVal e As System.EventArgs)
 
      Dim pDTPeople As DataTable
     'THIS IS WHERE THE ROW GETS PUT INTO EDIT MODE BASED ON A ROW INDEX
     'RETURNED BY SETRADIOBUTTON
      'Call SetRadioButton the first time to get the row selected
      dgPeople.EditItemIndex = SetRadioButton(sender, e)
 
      'Load the data from ViewState in to the Dataset object.
      gfpSaveOrLoadGridViewState(pDTPeople, dgPeople.ID, "LOAD")
 
      'Fill datagrid with data stored in session with corresponding pageindex.
      Call mfpBindGrid(False, 0, pDTPeople, True)
 
      'Call SetRadioButton a second time to set the selection on the radio button
      SetRadioButton(sender, e)
 
 End Sub
 
Private Function SetRadioButton(ByVal sender As Object, ByVal e As System.EventArgs) As Integer
 
      Dim intRow As Integer = -1
 
      Dim m_ClientID As String = ""
      Dim rb As New RadioButton
 
      rb = CType(sender, RadioButton)
      m_ClientID = rb.ClientID
      rb = CType(sender, RadioButton)
      m_ClientID = rb.ClientID
 
      For Each i As DataGridItem In dgPeople.Items
        rb = CType(i.FindControl("radSelect"), RadioButton)
        rb.Checked = False
        If (m_ClientID = rb.ClientID) Then
          rb.Checked = True
 
          Response.Write(rb.GroupName & "<BR>")
          intRow = i.ItemIndex
        End If
      Next
 
      Return intRow
 
    End Function

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