<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 

                        DataSourceID="ObjectDataSource1" AllowSorting="True" GridLines="None" 

                        DataKeyNames="ID">

                        <Columns>

                            <asp:TemplateField HeaderText="序号">

                                <ItemTemplate>

                                    <%# Container.DataItemIndex + 1%>

                                </ItemTemplate>

                                <HeaderStyle CssClass="first" Width="50px" />

                                <ItemStyle CssClass="first" Width="50px" />

                            </asp:TemplateField>

                            <asp:TemplateField HeaderText="单位名称" SortExpression="UnitName">

                                <EditItemTemplate>

                                    <asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("UnitName") %>'></asp:TextBox>

                                    <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="TextBox1"

                                        ErrorMessage="*" ForeColor="Red">*</asp:RequiredFieldValidator>

      &nb