模拟考试系统C#源码

开始窗体

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

using System;

using System.Collections.Generic; using ponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace Exam

{

public partial class ExamForm : Form

{

public ExamForm()

{

InitializeComponent();

}

///

///

private void ExamForm_Load(object sender, EventArgs e)

{

CenterToScreen();

Text = "模拟考试系统";

this.Width = 360;

this.Height = 230;

this.progressBar1.Width = 360;

this.progressBar1.Height = 10;

this.progressBar1.Left = 0;

this.progressBar1.Top = 220;

this.timer1.Start();

}

int i = 8;

private void timer1_Tick(object sender, EventArgs e)

{

this.progressBar1.PerformStep();

i--;

if (i==0)

{

this.timer1.Stop();

FormExam f = new FormExam();

f.Show(); this.Hide();

}

}

}

}

数据库辅助类

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

using System;

using System.Collections.Generic; using System.Linq;

using System.Text;

using System.Data;

using System.Data.SqlClient;

namespace Exam

{

public class DataBase

{

public string connString =

@"Data Source=XUTAO;Initial Catalog=Exam;Integrated Security=True";

private SqlConnection conn;

///

{

get

{

if (conn == null)

{

conn = new SqlConnection(connString);

}

return conn;

}

}

///

public void openData()

{

if (Conn.State == ConnectionState.Closed)

{

Conn.Open();

}

else if (Conn.State == ConnectionState.Broken)

{

Conn.Close();

Conn.Open(); }

}

///

public void closeData()

{

if (Conn.State == ConnectionState.Open ||

Conn.State == ConnectionState.Broken)

{

Conn.Close();

}

}

}

}

主窗体

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

using System;

using System.Collections.Generic; using ponentModel; using

System.Data;

using System.Drawing;

using System.Linq; using System.Text;

using System.Windows.Forms; using System.Data.SqlClient;

namespace Exam

{

public partial class FormExam : Form

{

public FormExam()

{

InitializeComponent();

}

///

DataBase db = new DataBase();

///

///

///

private void FormExam_Load(object sender, EventArgs e)

{

CenterToScreen();

this.Cursor = Cursors.Hand;

this.Text = "模拟考试系统"; this.tscmbExamType.SelectedIndex = 0;

this.timerDate.Start();

this.Width = 1000;

this.Height = 600;

this.MaximizeBox = false;

this.Top = 50;

this.groupBox1.Top = 40;

this.groupBox1.Left = 10;

this.groupBox1.Height = 250;

this.groupBox1.Width = 200;

this.listExam.GridLines = true;

this.listExam.FullRowSelect = true;

this.groupBox2.BackColor = Color.Transparent;

this.groupBox2.Text = "试题题干";

this.groupBox2.Height = 250;

this.groupBox2.Width = 755;

this.groupBox2.Left = 215;

this.groupBox2.Top = 40;

this.groupBox2.ForeColor = Color.White;

this.rtbExam.ReadOnly = true;

this.groupBox3.Text = "试题选项";

this.groupBox3.ForeColor = Color.White;

this.groupBox3.BackColor = Color.Transparent;

this.groupBox3.Left = 215; this.groupBox3.Width = 755;

this.groupBox3.Height = 250;

this.groupBox3.Top = 295;

this.groupBox4.Text = "操作区域";

this.groupBox4.ForeColor = Color.White;

this.groupBox4.BackColor = Color.Transparent;

this.groupBox4.Width = 200;

this.groupBox4.Height = 250;

this.groupBox4.Top = 295;

this.groupBox4.Left = 10;

this.button1.Text = "开始答题";

this.button1.Top = 40;

this.button1.Left = 50;

this.button1.Width = 90;

this.button1.Height = 25;

this.button1.ForeColor = Color.Blue;

this.button2.Text = "上一试题";

this.button2.Top = 80;

this.button2.Left = 50;

this.button2.Width = 90;

this.button2.Height = 25;

this.button2.ForeColor = Color.Blue;

this.button3.Text = "下一试题";

this.button3.Top = 120;