gridview 更新事件

gridview 更新事件如何编写代码？？谢谢我是个初学者 --------------------编程问答--------------------

<asp:GridView ID="GridView1" runat="server" AllowPaging="True" 

            AutoGenerateColumns="False" DataKeyNames="id" DataSourceID="SqlDataSource1" 

            Width="100%">

            <Columns>

                <asp:BoundField DataField="linkname" HeaderText="链接名称" 

                    SortExpression="linkname" />

                <asp:TemplateField HeaderText="链接地址" SortExpression="link">

                    <EditItemTemplate>

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

                    </EditItemTemplate>

                    <ItemTemplate>

                       <a target="_blank" href="http://<%# Eval("link") %>"><%# Eval("link") %></a>

                    </ItemTemplate>

                </asp:TemplateField>

                <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />

            </Columns>

        </asp:GridView>

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

            ConnectionString="<%$ ConnectionStrings:ConnectionString %>" 

            DeleteCommand="DELETE FROM [lianjie] WHERE [id] = ?" 

            ProviderName="<%$ ConnectionStrings:ConnectionString.ProviderName %>" 

            SelectCommand="SELECT * FROM [lianjie]" 

            UpdateCommand="UPDATE [lianjie] SET [linkname] = ?, [link] = ? WHERE [id] = ?">

            <DeleteParameters>

                <asp:Parameter Name="id" Type="Int32" />

            </DeleteParameters>

            <UpdateParameters>

                <asp:Parameter Name="linkname" Type="String" />

                <asp:Parameter Name="link" Type="String" />

                <asp:Parameter Name="id" Type="Int32" />

            </UpdateParameters>

        </asp:SqlDataSource>

--------------------编程问答-------------------- 楼上的最简单的，不用操作后台
还一种是用gridview自带的更新事件，这个在网上很多，我就不贴代码了 --------------------编程问答-------------------- 到网上查下，gridview 72

补充：.NET技术 ,  ASP.NET