xuesheng.cs

我做的题库管理系统。大家看看吧

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;
namespace timuku
{
	/// <summary>
	/// xuesheng 的摘要说明。
	/// </summary>
	public class xuesheng : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox txtD;
		private System.Windows.Forms.TextBox txtB;
		private System.Windows.Forms.TextBox txtA;
		private System.Windows.Forms.TextBox txtC;
		private System.Windows.Forms.TextBox txtda;
		private System.Windows.Forms.Label label6;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label8;
		private System.Windows.Forms.Label label9;
		private System.Windows.Forms.Label label10;
		private System.Windows.Forms.Label label11;
		private System.Windows.Forms.Label label12;
		private System.Windows.Forms.TextBox txttihao;
		private System.Windows.Forms.TextBox txttimu;
		private System.Windows.Forms.Label label1;
		private OleDbConnection conn = null;
		private OleDbCommand comm=null;
		private static int chengji;
		private System.Windows.Forms.Button butnext;
		private System.Windows.Forms.Button butup;
		private System.Windows.Forms.Button butexit;
		private System.Windows.Forms.Button buttimu;
		/// <summary>
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public xuesheng()
		{
			//
			// 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.label2 = new System.Windows.Forms.Label();
			this.butnext = new System.Windows.Forms.Button();
			this.butup = new System.Windows.Forms.Button();
			this.txtD = new System.Windows.Forms.TextBox();
			this.txtB = new System.Windows.Forms.TextBox();
			this.txtA = new System.Windows.Forms.TextBox();
			this.txtC = new System.Windows.Forms.TextBox();
			this.txtda = new System.Windows.Forms.TextBox();
			this.label6 = new System.Windows.Forms.Label();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.label5 = new System.Windows.Forms.Label();
			this.label4 = new System.Windows.Forms.Label();
			this.label8 = new System.Windows.Forms.Label();
			this.label9 = new System.Windows.Forms.Label();
			this.label10 = new System.Windows.Forms.Label();
			this.label11 = new System.Windows.Forms.Label();
			this.label12 = new System.Windows.Forms.Label();
			this.txttihao = new System.Windows.Forms.TextBox();
			this.txttimu = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.butexit = new System.Windows.Forms.Button();
			this.buttimu = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(24, 153);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(24, 32);
			this.label2.TabIndex = 69;
			this.label2.Text = "A";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// butnext
			// 
			this.butnext.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.butnext.Location = new System.Drawing.Point(192, 320);
			this.butnext.Name = "butnext";
			this.butnext.Size = new System.Drawing.Size(72, 25);
			this.butnext.TabIndex = 64;
			this.butnext.Text = "下一题";
			this.butnext.Click += new System.EventHandler(this.butnext_Click);
			// 
			// butup
			// 
			this.butup.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.butup.Location = new System.Drawing.Point(104, 320);
			this.butup.Name = "butup";
			this.butup.Size = new System.Drawing.Size(72, 25);
			this.butup.TabIndex = 63;
			this.butup.Text = "上一题";
			this.butup.Click += new System.EventHandler(this.butup_Click);
			// 
			// txtD
			// 
			this.txtD.Location = new System.Drawing.Point(56, 251);
			this.txtD.Name = "txtD";
			this.txtD.ReadOnly = true;
			this.txtD.Size = new System.Drawing.Size(440, 21);
			this.txtD.TabIndex = 60;
			this.txtD.Text = "";
			// 
			// txtB
			// 
			this.txtB.Location = new System.Drawing.Point(56, 187);
			this.txtB.Name = "txtB";
			this.txtB.ReadOnly = true;
			this.txtB.Size = new System.Drawing.Size(436, 21);
			this.txtB.TabIndex = 58;
			this.txtB.Text = "";
			// 
			// txtA
			// 
			this.txtA.Location = new System.Drawing.Point(56, 155);
			this.txtA.Name = "txtA";
			this.txtA.ReadOnly = true;
			this.txtA.Size = new System.Drawing.Size(436, 21);
			this.txtA.TabIndex = 57;
			this.txtA.Text = "";
			// 
			// txtC
			// 
			this.txtC.Location = new System.Drawing.Point(56, 219);
			this.txtC.Name = "txtC";
			this.txtC.ReadOnly = true;
			this.txtC.Size = new System.Drawing.Size(436, 21);
			this.txtC.TabIndex = 59;
			this.txtC.Text = "";
			// 
			// txtda
			// 
			this.txtda.Location = new System.Drawing.Point(440, 291);
			this.txtda.Name = "txtda";
			this.txtda.Size = new System.Drawing.Size(56, 21);
			this.txtda.TabIndex = 71;
			this.txtda.Text = "";
			this.txtda.TextChanged += new System.EventHandler(this.txtda_TextChanged);
			// 
			// label6
			// 
			this.label6.Location = new System.Drawing.Point(352, 291);
			this.label6.Name = "label6";
			this.label6.Size = new System.Drawing.Size(88, 16);
			this.label6.TabIndex = 70;
			this.label6.Text = "您的答案是：";
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.label5);
			this.groupBox1.Controls.Add(this.label4);
			this.groupBox1.Controls.Add(this.label8);
			this.groupBox1.Controls.Add(this.label9);
			this.groupBox1.Controls.Add(this.label10);
			this.groupBox1.Controls.Add(this.label11);
			this.groupBox1.Controls.Add(this.label12);
			this.groupBox1.Location = new System.Drawing.Point(8, 147);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(500, 136);
			this.groupBox1.TabIndex = 61;
			this.groupBox1.TabStop = false;
			// 
			// label5
			// 
			this.label5.Location = new System.Drawing.Point(16, 96);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(24, 24);
			this.label5.TabIndex = 35;
			this.label5.Text = "D";
			this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(16, 72);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(24, 23);
			this.label4.TabIndex = 34;
			this.label4.Text = "C";
			this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// label8
			// 
			this.label8.Location = new System.Drawing.Point(16, 96);
			this.label8.Name = "label8";
			this.label8.Size = new System.Drawing.Size(24, 23);
			this.label8.TabIndex = 35;
			this.label8.Text = "D";
			this.label8.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// label9
			// 
			this.label9.Location = new System.Drawing.Point(16, 64);
			this.label9.Name = "label9";
			this.label9.Size = new System.Drawing.Size(24, 32);
			this.label9.TabIndex = 34;
			this.label9.Text = "C";
			this.label9.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// label10
			// 
			this.label10.Location = new System.Drawing.Point(16, 40);
			this.label10.Name = "label10";
			this.label10.Size = new System.Drawing.Size(24, 23);
			this.label10.TabIndex = 33;
			this.label10.Text = "B";
			this.label10.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// label11
			// 
			this.label11.Location = new System.Drawing.Point(16, 88);
			this.label11.Name = "label11";
			this.label11.Size = new System.Drawing.Size(24, 23);
			this.label11.TabIndex = 35;
			this.label11.Text = "D";
			this.label11.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// label12
			// 
			this.label12.Location = new System.Drawing.Point(16, 64);
			this.label12.Name = "label12";
			this.label12.Size = new System.Drawing.Size(24, 8);
			this.label12.TabIndex = 34;