form_zcksj.cs

一个很简单的考试系统。实用性很强啊！数据库在里面

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;

using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;

namespace bizdb
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form_zcksj : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.ListBox listBox1;
		public System.Windows.Forms.ListBox listBox2;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.Button button4;
		private System.Windows.Forms.Button button5;
		private System.Windows.Forms.Button button6;

		private TcpClient client;
		//		private NetworkStream netStream;
		//		private bool control = false;
		private System.Windows.Forms.TextBox textBox5;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Label label4;
		
		private System.Windows.Forms.NumericUpDown numericUpDown1;
		private System.Windows.Forms.NumericUpDown numericUpDown2;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Label label6;
		private System.Windows.Forms.NumericUpDown numericUpDown3;
		private System.Windows.Forms.NumericUpDown numericUpDown4;
		private System.Windows.Forms.NumericUpDown numericUpDown5;
		private System.Windows.Forms.Button button7;

		private string mac_IP;
		private string mac_code;

		public Thread thScan;
		
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form_zcksj()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();
			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}
		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.listBox1 = new System.Windows.Forms.ListBox();
			this.button3 = new System.Windows.Forms.Button();
			this.button4 = new System.Windows.Forms.Button();
			this.button5 = new System.Windows.Forms.Button();
			this.button6 = new System.Windows.Forms.Button();
			this.textBox5 = new System.Windows.Forms.TextBox();
			this.button2 = new System.Windows.Forms.Button();
			this.label4 = new System.Windows.Forms.Label();
			this.numericUpDown1 = new System.Windows.Forms.NumericUpDown();
			this.numericUpDown2 = new System.Windows.Forms.NumericUpDown();
			this.label5 = new System.Windows.Forms.Label();
			this.label6 = new System.Windows.Forms.Label();
			this.numericUpDown3 = new System.Windows.Forms.NumericUpDown();
			this.numericUpDown4 = new System.Windows.Forms.NumericUpDown();
			this.numericUpDown5 = new System.Windows.Forms.NumericUpDown();
			this.button7 = new System.Windows.Forms.Button();
			this.listBox2 = new System.Windows.Forms.ListBox();
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown2)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown3)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown4)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown5)).BeginInit();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Font = new System.Drawing.Font("宋体", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.Location = new System.Drawing.Point(16, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(183, 25);
			this.label1.TabIndex = 0;
			this.label1.Text = "请输入起始IP地址：";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Font = new System.Drawing.Font("宋体", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label2.Location = new System.Drawing.Point(16, 56);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(183, 25);
			this.label2.TabIndex = 4;
			this.label2.Text = "请输入考试机数量：";
			// 
			// label3
			// 
			this.label3.AutoSize = true;
			this.label3.Font = new System.Drawing.Font("宋体", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label3.Location = new System.Drawing.Point(16, 96);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(144, 25);
			this.label3.TabIndex = 8;
			this.label3.Text = "请输入端口号：";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(272, 72);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(75, 32);
			this.button1.TabIndex = 10;
			this.button1.Text = "扫 描";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// listBox1
			// 
			this.listBox1.ItemHeight = 12;
			this.listBox1.Location = new System.Drawing.Point(16, 136);
			this.listBox1.Name = "listBox1";
			this.listBox1.Size = new System.Drawing.Size(184, 304);
			this.listBox1.TabIndex = 11;
			this.listBox1.DoubleClick += new System.EventHandler(this.listBox1_DoubleClick);
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(208, 168);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(88, 23);
			this.button3.TabIndex = 12;
			this.button3.Text = "->";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// button4
			// 
			this.button4.Location = new System.Drawing.Point(208, 216);
			this.button4.Name = "button4";
			this.button4.Size = new System.Drawing.Size(88, 23);
			this.button4.TabIndex = 13;
			this.button4.Text = ">>";
			this.button4.Click += new System.EventHandler(this.button4_Click);
			// 
			// button5
			// 
			this.button5.Location = new System.Drawing.Point(208, 304);
			this.button5.Name = "button5";
			this.button5.Size = new System.Drawing.Size(88, 23);
			this.button5.TabIndex = 14;
			this.button5.Text = "<-";
			this.button5.Click += new System.EventHandler(this.button5_Click);
			// 
			// button6
			// 
			this.button6.Location = new System.Drawing.Point(208, 344);
			this.button6.Name = "button6";
			this.button6.Size = new System.Drawing.Size(88, 23);
			this.button6.TabIndex = 15;
			this.button6.Text = "<<";
			this.button6.Click += new System.EventHandler(this.button6_Click);
			// 
			// textBox5
			// 
			this.textBox5.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.textBox5.Location = new System.Drawing.Point(160, 96);
			this.textBox5.Name = "textBox5";
			this.textBox5.ReadOnly = true;
			this.textBox5.Size = new System.Drawing.Size(48, 23);
			this.textBox5.TabIndex = 9;
			this.textBox5.Text = "8000";
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(208, 392);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(88, 32);
			this.button2.TabIndex = 16;
			this.button2.Text = "注 册";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// label4
			// 
			this.label4.AutoSize = true;
			this.label4.Font = new System.Drawing.Font("宋体", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label4.Location = new System.Drawing.Point(312, 16);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(17, 25);
			this.label4.TabIndex = 2;
			this.label4.Text = ".";
			// 
			// numericUpDown1
			// 
			this.numericUpDown1.Location = new System.Drawing.Point(200, 16);
			this.numericUpDown1.Maximum = new System.Decimal(new int[] {
																		   255,
																		   0,
																		   0,
																		   0});
			this.numericUpDown1.Name = "numericUpDown1";
			this.numericUpDown1.Size = new System.Drawing.Size(48, 21);
			this.numericUpDown1.TabIndex = 18;
			// 
			// numericUpDown2
			// 
			this.numericUpDown2.Location = new System.Drawing.Point(264, 16);
			this.numericUpDown2.Maximum = new System.Decimal(new int[] {
																		   255,
																		   0,
																		   0,
																		   0});
			this.numericUpDown2.Name = "numericUpDown2";
			this.numericUpDown2.Size = new System.Drawing.Size(48, 21);
			this.numericUpDown2.TabIndex = 19;
			// 
			// label5
			// 
			this.label5.AutoSize = true;
			this.label5.Font = new System.Drawing.Font("宋体", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label5.Location = new System.Drawing.Point(248, 16);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(17, 25);
			this.label5.TabIndex = 2;
			this.label5.Text = ".";
			// 
			// label6
			// 
			this.label6.AutoSize = true;
			this.label6.Font = new System.Drawing.Font("宋体", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label6.Location = new System.Drawing.Point(376, 16);
			this.label6.Name = "label6";
			this.label6.Size = new System.Drawing.Size(17, 25);
			this.label6.TabIndex = 2;
			this.label6.Text = ".";
			// 
			// numericUpDown3
			// 
			this.numericUpDown3.Location = new System.Drawing.Point(328, 16);
			this.numericUpDown3.Maximum = new System.Decimal(new int[] {
																		   255,
																		   0,
																		   0,
																		   0});
			this.numericUpDown3.Name = "numericUpDown3";
			this.numericUpDown3.Size = new System.Drawing.Size(48, 21);