comandname 的用法

 <asp:TemplateField HeaderText="删除" ShowHeader="False">
                    <ItemTemplate>
                        <asp:LinkButton ID="btn_del" runat="server" CausesValidation="False" CommandName="Del"
                            Text="删除" CommandArgument='<%# Eval("UG_ID")%>'></asp:LinkButton>
                    </ItemTemplate>
                    <HeaderStyle HorizontalAlign="Center" Wrap="False" />
                    <ItemStyle HorizontalAlign="Center" Wrap="False" />
                </asp:TemplateField>

 

/// <summary>
        /// 执行事件（删除操作）
        /// </summary>
        protected void GroupsLists_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            switch (e.CommandName.ToString())
            {
                case "Del":
                    int ret = bll.DeleteUserGroup(int.Parse(e.CommandArgument.ToString()));
                    switch (ret)
                    {
                        case 1:
                            BindOrder();
                            break;
                        case 2:
                            strinfo.InnerHtml = JScript.errinfo("分组下还有角色存在，不能进行删除操作!");
                            strinfo.Visible = true;
                            break;
                        default:
                            strinfo.InnerHtml = JScript.errinfo("删除操作失败!");
                            strinfo.Visible = true;
                            break;
                    }
                    break;
            }

        }