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>
                                <a href="MemoShow.aspx?Date=<%# Eval("EndDate") %>" class="f12_black" > <%# Eval("event") %></a>
                            </ItemTemplate>
                        </asp:TemplateField>
                        <asp:BoundField DataField="StartDate" HeaderText="添加时间" DataFormatString="{0:yyyy年M月dd日}" HtmlEncode="False" />
                        <asp:TemplateField HeaderText="完成状况">
                            <ItemTemplate>
                               <%# Convert.ToInt32(Eval("Flag")) == 0 ? "<img src='../images/ico_no.gif' alt='未完成'/>" : "<img src='../images/ico_ok.gif' alt='完成'/>"%>
                            </ItemTemplate>
                        </asp:TemplateField>
                      <asp:TemplateField HeaderText="编辑">
                        <ItemTemplate>
                                <a href="MemoEdit.aspx?ID=<%# Eval("id") %>" class="f12_black" > 编辑</a>
                            </ItemTemplate>
                        </asp:TemplateField>
                        <asp:CommandField ShowDeleteButton="True" />
                    </Columns>
                    <EditRowStyle BackColor="#999999" />
                    <AlternatingRowStyle BackColor="White" ForeColor="#284775" />
                    <PagerSettings FirstPageText="首页" LastPageText="末页" NextPageText="下一页" PreviousPageText="上一页" />
                </asp:GridView>
                <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="AllMemo"
                    TypeName="JL.CRM.BLL.BllMemo" DeleteMethod="DelMemo"  OnDeleting="GridView1_RowDeleting">
                    <SelectParameters>
                        <asp:SessionParameter Name="KFnum" SessionField="KFnum" Type="Int32" />
                    </SelectParameters>
                    <deleteparameters>
                        <asp:parameter name="ID" type="Int32" />
                    </deleteparameters>

                </asp:ObjectDataSource>

C#代码段

    protected void GridView1_RowDeleting(object source, ObjectDataSourceMethodEventArgs e)
    {
        BllMemo DelMemo = new BllMemo();
        IDictionary paramsFromPage = e.InputParameters;

        if (DelMemo.DelMemo(Int32.Parse(paramsFromPage["ID"].ToString())))
        {
            JavaScript.Alert("删除成功！", this.Page);
            GVAllMemo.DataBind();
        }
        else
        {
            JavaScript.Alert("删除失败！", this.Page);
        }
    
    }