form_fsksxh.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.Net;
using System.Net.Sockets;

using System.Data;
using System.Data.SqlClient;

using System.Management;

namespace bizdb
{

	
	/// <summary>
	/// Form2 的摘要说明。
	/// </summary>
	public class Form_fsksxh : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.RadioButton radioButton1;
		private System.Windows.Forms.RadioButton radioButton2;
		private System.Windows.Forms.RadioButton radioButton3;
		private System.Windows.Forms.CheckBox checkBox1;
		private System.Windows.Forms.CheckBox checkBox2;
		private System.Windows.Forms.CheckBox checkBox3;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.ListView listView1;
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ColumnHeader columnHeader2;
		private System.Windows.Forms.StatusBar statusBar1;
		private System.Windows.Forms.StatusBarPanel statusBarPanel1;
		private System.Windows.Forms.StatusBarPanel statusBarPanel2;
		private System.Windows.Forms.StatusBarPanel statusBarPanel3;
		private System.Windows.Forms.Timer timer1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.TextBox textBox3;
		private System.ComponentModel.IContainer components;

		private TcpClient client;
		private NetworkStream netStream;
		private string mac_IP;
		private string mac_code;

		private Form_zcksj f1;

		public Form_fsksxh(Form_zcksj f2)
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();
			this.f1 = f2;

			//
			// 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.components = new System.ComponentModel.Container();
			this.label1 = new System.Windows.Forms.Label();
			this.radioButton1 = new System.Windows.Forms.RadioButton();
			this.radioButton2 = new System.Windows.Forms.RadioButton();
			this.radioButton3 = new System.Windows.Forms.RadioButton();
			this.checkBox1 = new System.Windows.Forms.CheckBox();
			this.checkBox2 = new System.Windows.Forms.CheckBox();
			this.checkBox3 = new System.Windows.Forms.CheckBox();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.listView1 = new System.Windows.Forms.ListView();
			this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
			this.statusBar1 = new System.Windows.Forms.StatusBar();
			this.statusBarPanel1 = new System.Windows.Forms.StatusBarPanel();
			this.statusBarPanel2 = new System.Windows.Forms.StatusBarPanel();
			this.statusBarPanel3 = new System.Windows.Forms.StatusBarPanel();
			this.timer1 = new System.Windows.Forms.Timer(this.components);
			this.button2 = new System.Windows.Forms.Button();
			this.textBox3 = new System.Windows.Forms.TextBox();
			((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.statusBarPanel2)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.statusBarPanel3)).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(163, 25);
			this.label1.TabIndex = 0;
			this.label1.Text = "当前考试机列表：";
			// 
			// radioButton1
			// 
			this.radioButton1.Location = new System.Drawing.Point(200, 40);
			this.radioButton1.Name = "radioButton1";
			this.radioButton1.TabIndex = 2;
			this.radioButton1.Text = "开始考试";
			// 
			// radioButton2
			// 
			this.radioButton2.Location = new System.Drawing.Point(200, 64);
			this.radioButton2.Name = "radioButton2";
			this.radioButton2.TabIndex = 3;
			this.radioButton2.Text = "终止考试";
			// 
			// radioButton3
			// 
			this.radioButton3.Checked = true;
			this.radioButton3.Location = new System.Drawing.Point(200, 88);
			this.radioButton3.Name = "radioButton3";
			this.radioButton3.TabIndex = 4;
			this.radioButton3.TabStop = true;
			this.radioButton3.Text = "发消息";
			// 
			// checkBox1
			// 
			this.checkBox1.Location = new System.Drawing.Point(352, 56);
			this.checkBox1.Name = "checkBox1";
			this.checkBox1.TabIndex = 5;
			this.checkBox1.Text = "锁定输入";
			// 
			// checkBox2
			// 
			this.checkBox2.Location = new System.Drawing.Point(352, 88);
			this.checkBox2.Name = "checkBox2";
			this.checkBox2.TabIndex = 6;
			this.checkBox2.Text = "重启";
			// 
			// checkBox3
			// 
			this.checkBox3.Checked = true;
			this.checkBox3.CheckState = System.Windows.Forms.CheckState.Checked;
			this.checkBox3.Location = new System.Drawing.Point(200, 120);
			this.checkBox3.Name = "checkBox3";
			this.checkBox3.Size = new System.Drawing.Size(144, 24);
			this.checkBox3.TabIndex = 7;
			this.checkBox3.Text = "控制指令仅发送给：";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(336, 120);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(136, 21);
			this.textBox1.TabIndex = 8;
			this.textBox1.Text = "";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Location = new System.Drawing.Point(200, 152);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(66, 17);
			this.label2.TabIndex = 9;
			this.label2.Text = "消息内容：";
			// 
			// textBox2
			// 
			this.textBox2.AutoSize = false;
			this.textBox2.Location = new System.Drawing.Point(200, 184);
			this.textBox2.Multiline = true;
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(384, 144);
			this.textBox2.TabIndex = 11;
			this.textBox2.Text = "";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(304, 368);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(75, 32);
			this.button1.TabIndex = 12;
			this.button1.Text = "发 送";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// listView1
			// 
			this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						this.columnHeader1,
																						this.columnHeader2});
			this.listView1.FullRowSelect = true;
			this.listView1.GridLines = true;
			this.listView1.Location = new System.Drawing.Point(8, 48);
			this.listView1.Name = "listView1";
			this.listView1.Size = new System.Drawing.Size(176, 376);
			this.listView1.TabIndex = 1;
			this.listView1.View = System.Windows.Forms.View.Details;
			this.listView1.DoubleClick += new System.EventHandler(this.listView1_DoubleClick);
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "IP地址";
			this.columnHeader1.Width = 93;
			// 
			// columnHeader2
			// 
			this.columnHeader2.Text = "考试机号";
			this.columnHeader2.Width = 72;
			// 
			// statusBar1
			// 
			this.statusBar1.Location = new System.Drawing.Point(0, 461);
			this.statusBar1.Name = "statusBar1";
			this.statusBar1.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
																						  this.statusBarPanel1,
																						  this.statusBarPanel2,