酒店管理系统c#实现

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_帐单明细_入住单]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[帐单明细] DROP CONSTRAINT FK_帐单明细_入住单 GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_入住单_客房信息]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[入住单] DROP CONSTRAINT FK_入住单_客房信息 GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_客房信息_客房类型]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[客房信息] DROP CONSTRAINT FK_客房信息_客房类型 GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_入住单_客房类型]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[入住单] DROP CONSTRAINT FK_入住单_客房类型 GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_入住单历史_客房类型]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[入住单历史] DROP CONSTRAINT FK_入住单历史_客房类型 GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_预定单_客房类型]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[预定单] DROP CONSTRAINT FK_预定单_客房类型 GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_预定单历史_客房类型]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[预定单历史] DROP CONSTRAINT FK_预定单历史_客房类型 GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_客房信息_楼层信息]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[客房信息] DROP CONSTRAINT FK_客房信息_楼层信息 GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[v_客房信息]') and OBJECTPROPERTY(id, N'IsView') = 1) drop view [dbo].[v_客房信息] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[AROrder]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[AROrder] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[ARRoomPrice]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[ARRoomPrice] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[ARType]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[ARType] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[ChangeRoom]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[ChangeRoom] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[DayBill]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[DayBill] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[DayBillDesc]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[DayBillDesc] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FeeCode]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[FeeCode] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FeeType]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[FeeType] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[GARFee]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[GARFee] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[GOrder]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[GOrder] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[GResRoom]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[GResRoom] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[GType]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[GType] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[GetGlean]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[GetGlean] GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[Glean]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[Glean] GO if exists (select * from dbo.sysobjects where id = objec�