利用GridView 和DetailsView信息的交互实现记录的更新删除插入

 <asp:GridView ID="gvXueshengInfo" runat="server" AutoGenerateColumns="False" DataKeyNames ="xh"                  CellPadding="4" ForeColor="#333333" GridLines="None" Width="99%"                   PageSize="5" DataSourceID="SqlDataSource_GridView" AllowPaging="True" >                  <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />                  <Columns>                  <%--<asp:TemplateField><ItemTemplate><asp:CheckBox ID="chkSelected1" Checked="False" Visible="True" GroupName="chk" Runat="server"></asp:CheckBox></ItemTemplate></asp:TemplateField>--%>                 <asp:GridView ID="gvXueshengInfo" runat="serve