GridView加ObjectDataSource做删除事件（ObjectDataSourceStatusEventHandler 委托）

<asp:GridView ID="GVAllMemo" runat="server" AutoGenerateColumns="False" CellPadding="4" GridLines="None" Width="80%" AllowPaging="True" AllowSorting="True" DataSourceID="ObjectDataSource1" ForeColor="#333333" Font-Size="9pt"   DataKeyNames="ID" >
                    <FooterStyle BackColor="#5D7B9D" ForeColor="White" Font-Bold="True" />
                    <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
                    <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
                    <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
                    <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
                    <Columns>
                        <asp:BoundField DataField="EndDate" HeaderText="提醒时间" DataFormatString="{0:yyyy年M月dd日}"  HtmlEncode="False"/>
                        <asp:TemplateField HeaderText="具体事务">
                            <ItemTemplate>
>

C#代码段

    protected void GridView1_RowDeleting(object source, ObjectDataSourceMethodEventArgs e)
    }