asp.net的简单的网络选课系统

SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Depart]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[Depart]( [departID] [int] IDENTITY(1,1) NOT NULL, [departName] [varchar](100) NULL, CONSTRAINT [PK_Depart] PRIMARY KEY CLUSTERED ( [departID] ASC )WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] END GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Users]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[Users]( [adminName] [varchar](20) NOT NULL, [adminPwd] [varchar](20) NULL, CONSTRAINT [PK_Users] PRIMARY KEY CLUSTERED ( [adminName] ASC )WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] END GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Teacher]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[Teacher]( [teaID] [varchar](20) NOT NULL, [teaPwd] [varchar](20) NULL, [teaName] [varchar](50) NOT NULL, [teaDepart] [int] NULL, CONSTRAINT [PK_Teacher] PRIMARY KEY CLUSTERED ( [teaID] ASC )WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] END GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Student]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[Student]( [stuID] [varchar](20) NOT NULL, [stuPwd] [varchar](20) NULL, [stuName] [varchar](10) NOT NULL, [stuDepart] [int] NULL, [stuGrade] [int] NULL, [stuClass] [int] NULL, CONSTRAINT [PK_Student] PRIMARY KEY CLUSTERED ( [stuID] ASC )WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] END GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Cource]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[Cource]( [courceID] [varchar](20) NOT NULL, [teaID] [varchar](20) NOT NULL, [courceName] [varchar](100) NOT NULL, [courceTime] [varchar](20) NULL, [courceAddress] [varchar](50) NULL, [courceInfo] [text] NULL, CONSTRAINT [PK_Cource_1] PRIMARY KEY CLUSTERED ( [courceID] ASC, [teaID] ASC )WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY] END GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Elect]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[Elect]( [stuID] [varchar](20) NOT NULL, [courceID] [varchar](20) NOT NULL, [teaID] [varchar](20) NOT NULL, [Score] [int] NULL, CONSTRAINT [PK_Elect] PRIMARY KEY CLUSTERED ( [stuID] ASC, [courceID] ASC, [teaID] ASC )WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] END GO IF NOT EXISTS (SELECT * FROM sys.foreign_keys WHERE object_id = OBJECT_ID(N'[dbo].[FK_Teacher_Depart]') AND parent_object_id = OBJECT_ID(N'[dbo].[Teacher]')) ALTER TABLE [dbo].[Teacher] WITH CHECK ADD CONSTRAINT [FK_Teacher_Depart] FOREIGN KEY([teaDepart]) REFERENCES [dbo].[Depart] ([departID]) GO IF NOT EXISTS (SELECT * FROM sys.foreign_keys WHERE object_id = OBJECT_ID(N'[dbo].[FK_Student_Depart]') AND parent_object_id = OBJECT_ID(N'[dbo].[Student]')) ALTER TABLE [dbo].[Student] WITH CHECK ADD CONSTRAINT [FK_Student_Depart] FOREIGN KEY([stuDepart]) REFERENCES [dbo].[Depart] ([departID]) GO IF NOT EXISTS (SELECT * FROM sys.foreign_keys WHERE object_id = OBJECT_ID(N'[dbo].[FK_Cource_Teacher]') AND parent_object_id = OBJECT_ID(N'[dbo].[Cource]')) ALTER TABLE [dbo].[Cource] WITH CHECK ADD CONSTRAINT [FK_Cource_Teacher] FOREIGN KEY([teaID]) REFERENCES [dbo].[Teacher] ([teaID]) GO IF NOT EXISTS (SELECT * FROM sys.foreign_keys WHERE object_id = OBJECT_ID(N'[dbo].[FK_Elect_Cource]') AND parent_object_id = OBJECT_ID(N'[dbo].[Elect]')) ALTER TABLE [dbo].[Elect] WITH CHECK ADD CONSTRAINT [FK_Elect_Co�