DataGrid学习七[4]

p;       </asp:TemplateColumn>
        <asp:TemplateColumn HeaderText="city" SortExpression="city">
          <ItemTemplate>
            <asp:Label runat="server" Text="<%#
DataBinder.Eval(Container.DataItem, "city") %>"/>
          </ItemTemplate>
          <EditItemTemplate>
            <asp:TextBox runat="server" id="edit_City" Text="<%#
DataBinder.Eval(Container.DataItem, "city") %>"/>
          </EditItemTemplate>
        </asp:TemplateColumn>
        <asp:TemplateColumn HeaderText="state" SortExpression="state">
          <ItemTemplate>
            <asp:Label runat="server" Text="<%#
DataBinder.Eval(Container.DataItem, "state") %>"/>
          </ItemTemplate>
          <EditItemTemplate>
            <asp:DropDownList runat="server" SelectedIndex="<%#
GetStateIndex(DataBinder.Eval(Container.DataItem, "state").ToString()) %>"
id="edit_State">
                  <asp:ListItem>CA</asp:ListItem>
                  <asp:ListItem>IN</asp:ListItem>
                  <asp:ListItem>KS</asp:ListItem>
                  <asp:ListItem>MD</asp:ListItem>
                  <asp:ListItem>MI</asp:ListItem>
                  <asp:ListItem>OR</asp:ListItem>
                  <asp:ListItem>TN</asp:ListItem>
                  <asp:ListItem>UT</asp:ListItem>
            </asp:DropDownList>
          </EditItemTemplate>
        </asp:TemplateColumn>
        <asp:TemplateColumn HeaderText="zip" SortExpression="zip">
          <ItemTemplate>
            <asp:Label runat="server" Text="<%#
DataBinder.Eval(Container.DataItem, "zip") %>"/>
          </ItemTemplate>
          <EditItemTemplate>
            <asp:TextBox runat="server" id="edit_Zip" Text="<%#
DataBinder.Eval(Container.DataItem, "zip") %>"/>
          </EditItemTemplate>
        </asp:TemplateColumn>
        <asp:TemplateColumn HeaderText="contract" SortExpression="contract">
          <ItemTemplate>
            <asp:Label runat="server" Text="<%#
DataBinder.Eval(Container.DataItem, "contract", "{0}") %>"/>
          </ItemTemplate>


          <EditItemTemplate>