C#+Sql 2005网络考试系统书本源码MyOnLineExam

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]( [UserID] [varchar](20) NOT NULL, [UserName] [varchar](20) NOT NULL, [UserPwd] [varchar](20) NOT NULL, [UserPower] [int] NOT NULL, CONSTRAINT [PK_Users] PRIMARY KEY CLUSTERED ( [UserID] 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].[Score]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[Score]( [ID] [int] IDENTITY(1,1) NOT NULL, [UserID] [varchar](20) NOT NULL, [PaperID] [int] NOT NULL, [Score] [int] NOT NULL, [ExamTime] [datetime] NOT NULL CONSTRAINT [DF_Score_ExamTime] DEFAULT (getdate()), CONSTRAINT [PK_Score] PRIMARY KEY CLUSTERED ( [ID] 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].[SingleProblem]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[SingleProblem]( [ID] [int] IDENTITY(1,1) NOT NULL, [CourseID] [int] NOT NULL, [Title] [varchar](1000) NOT NULL, [AnswerA] [varchar](500) NOT NULL, [AnswerB] [varchar](500) NOT NULL, [AnswerC] [varchar](500) NOT NULL, [AnswerD] [varchar](500) NOT NULL, [Answer] [varchar](2) NOT NULL, CONSTRAINT [PK_SingleProblem] PRIMARY KEY CLUSTERED ( [ID] 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].[Course]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[Course]( [ID] [int] IDENTITY(1,1) NOT NULL, [Name] [varchar](200) NOT NULL, CONSTRAINT [PK_Course] PRIMARY KEY CLUSTERED ( [ID] 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].[JudgeProblem]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[JudgeProblem]( [ID] [int] IDENTITY(1,1) NOT NULL, [CourseID] [int] NOT NULL, [Title] [varchar](1000) NOT NULL, [Answer] [bit] NOT NULL, CONSTRAINT [PK_JudgeProblem] PRIMARY KEY CLUSTERED ( [ID] 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].[MultiProblem]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[MultiProblem]( [ID] [int] IDENTITY(1,1) NOT NULL, [CourseID] [int] NOT NULL, [Title] [varchar](1000) NOT NULL, [AnswerA] [varchar](500) NOT NULL, [AnswerB] [varchar](500) NOT NULL, [AnswerC] [varchar](500) NOT NULL, [AnswerD] [varchar](500) NOT NULL, [Answer] [varchar](50) NOT NULL, CONSTRAINT [PK_MultiProblem] PRIMARY KEY CLUSTERED ( [ID] 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].[FillBlankProblem]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[FillBlankProblem]( [ID] [int] IDENTITY(1,1) NOT NULL, [CourseID] [int] NOT NULL, [FrontTitle] [varchar](500) NULL, [BackTitle] [varchar](500) NULL, [Answer] [varchar](200) NOT NULL, CONSTRAINT [PK_FillBlankProblem] PRIMARY KEY CLUSTERED ( [ID] 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].[Paper]') AND type in (N'U')) BEGIN CREATE TABLE [dbo].[Paper]( [PaperID] [int] IDENTITY(1,1) NOT NULL, [CourseID] [int] NOT NULL, [PaperName] [varchar](200) NOT NULL, [PaperState�