using?System;
using?System.Data;
using?System.Configuration;
using?System.Web;
using?System.Web.Security;
using?System.Web.UI;
using?System.Web.UI.WebControls;
using?System.Web.UI.WebControls.WebParts;
using?System.Web.UI.HtmlControls;
using?System.Web.Management;

namespace?MB.TheBeerHouse
{
???public?abstract?class?WebCustomEvent?:?WebbaseEvent?
???{
??????public?WebCustomEvent（string?message?object?eventSource?int?eventCode）
?????????:?base（message?eventSource?eventCode）?{?}
???}

???public?class?RecordDeletedEvent?:?WebCustomEvent?
???{
??????private?const?int?eventCode?=?WebEventCodes.WebExtendedbase?+?10;
??????private?const?string?message?=?“The?{0}?with?ID?=?{1}?was?deleted?by?user?{2}.“;
??????
??????public?RecordDeletedEvent（string?entity?int?id?obje