asp.net 2.0中用GRIDVIEW插入新记录

asp.net 2.0中用GRIDVIEW插入新记录 (3)   <asp:Button ID="CancelButton1" Runat="server" Text="Cancel" OnClick="CancelButton1_Click" />

                    </FooterTemplate>

                    <ItemTemplate>

                        <asp:DropDownList ID="ContactTitleDropDown" SelectedValue='<%# Bind("ContactTitle") %>' Runat="Server" DataSourceID="SqlDataSource3" DataTextField="ContactTitle" DataValueField="ContactTitle" ></asp:DropDownList>

                        <asp:SqlDataSource ID="SqlDataSource3" Runat="server" SelectCommand="SELECT DISTINCT [ContactTitle] FROM [Customers]"

                            ConnectionString="server=localhost;uid=sa;password=xxx;database=northwind" EnableCaching="True">

                        </asp:SqlDataSource>

                    </ItemTemplate>

                </asp:TemplateField>

            </Columns>

        </asp:GridView>

        <asp:SqlDataSource ID="SqlDataSource1" Runat="server"