ASP.NET:在DataGrid中显示下拉列表框

脚本：

 1<asp:DataGrid id="dgHHRole" runat="server" CssClass="DefaultText" AutoGenerateColumns="False" AllowPaging="True" PageSize="20" AllowSorting="True">
 2<FooterStyle Wrap="False" HorizontalAlign="Center" VerticalAlign="Middle"></FooterStyle>
 3<SelectedItemStyle HorizontalAlign="Center" ForeColor="Black" CssClass="defaultText" BackColor="#99FFFF"></SelectedItemStyle>
 4<AlternatingItemStyle HorizontalAlign="Center" CssClass="GridAlternateRows"></AlternatingItemStyle>
 5<ItemStyle HorizontalAlign="Center"></ItemStyle>
 6<HeaderStyle HorizontalAlign="Left" CssClass="GridHeaderAbove" VerticalAlign="Middle"></HeaderStyle>
 7<Columns>
 8    <asp:BoundColumn Visible="False" DataField="RoleId" HeaderText="RoleId"></asp:BoundColumn>
 9    <asp:BoundColumn DataField="FullName" SortExpression="FullName" HeaderText="Full Name"></asp:BoundColumn>
10    <asp:BoundColumn DataField="Location" HeaderText="Location"></asp:BoundColumn>
11    <asp:BoundColumn DataField="CallType" HeaderText="Call Type"></asp:BoundColumn>
12    <asp:BoundColumn DataField="RouteNm" HeaderText="Route Number"></asp:BoundColumn>
13    <asp:TemplateColumn HeaderText="Role">
14        <ItemTemplate>
15            <asp:DropDownList id="ddlHHRole" runat="server"></asp:DropDownList>
16        </ItemTemplate>
17    </asp:TemplateColumn>
18</Columns>
19<PagerStyle Mode="NumericPages"></PagerStyle>
20</asp:DataGrid>

在ItemCreated事件中绑定数据

 1        private void dgHHRole_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
 2        }

在ItemDataBound事件中设置值

 1        private void dgHHRole_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
 2        }