gridview control problem
<p>work on C# asp.net vs05. i take a combo on gridview template field.</p>

<pre><code>&lt;asp:GridView ID="GridView3" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource3"&gt;
            &lt;Columns&gt;
                &lt;asp:BoundField DataField="StudentID" HeaderText="StudentID" ReadOnly="True" SortExpression="StudentID" /&gt;
                &lt;asp:TemplateField HeaderText="DivisionName" SortExpression="DivisionName"&gt;
                    &lt;ItemTemplate&gt;
                        &lt;asp:Label ID="lblDivisionName" runat="server" Text='&lt;%# Bind("DivisionName") %&gt;'
                            Width="116px"&gt;&lt;/asp:Label&gt;&lt;br /&gt;
                        &lt;asp:DropDownList ID="DropDownList1" runat="server"&gt;
                        &lt;/asp:DropDownList&gt;
                    &lt;/ItemTemplate&gt;
                &lt;/asp:TemplateField&gt;
                &lt;asp:TemplateField HeaderText="StudentName" SortExpression="StudentName"&gt;
                    &lt;EditItemTemplate&gt;
                        &lt;asp:TextBox ID="TextBox2" runat="server" Text='&lt;%# Bind("StudentName") %&gt;'&gt;&lt;/asp:TextBox&gt;
                    &lt;/EditItemTemplate&gt;
                    &lt;ItemTemplate&gt;
                        &lt;asp:Label ID="Label2" runat="server" Text='&lt;%# Bind("StudentName") %&gt;'&gt;&lt;/asp:Label&gt;
                    &lt;/ItemTemplate&gt;
                &lt;/asp:TemplateField&gt;
                &lt;asp:ButtonField ButtonType="Button" Text="Update" /&gt;
            &lt;/Columns&gt;
        &lt;/asp:GridView&gt;
</code></pre>

<p><strong>Now i want to fill this combo by the bellow code ?</strong> </p>

<pre><code> DropDownList1.DisplayMember = "CommercialRegionName";
            foreach (object oItem in collection)
            {
                DropDownList1.Items.Add(oItem);
            }
</code></pre>

<p>how to get the combo control id from the grid</p>
