jlxg.cs

这是本人学习语言来第一次写的程序

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

namespace 图书馆信息管理系统
{
	/// <summary>
	/// jlxg 的摘要说明。
	/// </summary>
	public class jlxg : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.GroupBox groupBox2;
		private System.Windows.Forms.GroupBox groupBox3;
		private System.Data.OleDb.OleDbDataAdapter oleDbDataAdapter1;
		private System.Data.OleDb.OleDbCommand oleDbSelectCommand1;
		private System.Data.OleDb.OleDbCommand oleDbInsertCommand1;
		private System.Data.OleDb.OleDbCommand oleDbUpdateCommand1;
		private System.Data.OleDb.OleDbCommand oleDbDeleteCommand1;
		private System.Data.OleDb.OleDbConnection oleDbConnection1;
		private 图书馆信息管理系统.DataSet2 dataSet21;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TextBox textBox4;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.Button button4;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public jlxg()
		{
			//
			// 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()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(jlxg));
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.groupBox3 = new System.Windows.Forms.GroupBox();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.dataSet21 = new 图书馆信息管理系统.DataSet2();
			this.oleDbDataAdapter1 = new System.Data.OleDb.OleDbDataAdapter();
			this.oleDbDeleteCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbConnection1 = new System.Data.OleDb.OleDbConnection();
			this.oleDbInsertCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbSelectCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbUpdateCommand1 = new System.Data.OleDb.OleDbCommand();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.textBox4 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.button3 = new System.Windows.Forms.Button();
			this.button4 = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.groupBox2.SuspendLayout();
			this.groupBox3.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.dataSet21)).BeginInit();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.textBox1);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.textBox2);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Controls.Add(this.textBox3);
			this.groupBox1.Controls.Add(this.label4);
			this.groupBox1.Controls.Add(this.textBox4);
			this.groupBox1.Dock = System.Windows.Forms.DockStyle.Top;
			this.groupBox1.Location = new System.Drawing.Point(0, 0);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(816, 104);
			this.groupBox1.TabIndex = 0;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "查询条件";
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.button1);
			this.groupBox2.Controls.Add(this.button2);
			this.groupBox2.Controls.Add(this.button3);
			this.groupBox2.Controls.Add(this.button4);
			this.groupBox2.Dock = System.Windows.Forms.DockStyle.Top;
			this.groupBox2.Location = new System.Drawing.Point(0, 104);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(816, 100);
			this.groupBox2.TabIndex = 1;
			this.groupBox2.TabStop = false;
			this.groupBox2.Text = "操作";
			// 
			// groupBox3
			// 
			this.groupBox3.Controls.Add(this.dataGrid1);
			this.groupBox3.Dock = System.Windows.Forms.DockStyle.Fill;
			this.groupBox3.Location = new System.Drawing.Point(0, 204);
			this.groupBox3.Name = "groupBox3";
			this.groupBox3.Size = new System.Drawing.Size(816, 290);
			this.groupBox3.TabIndex = 2;
			this.groupBox3.TabStop = false;
			this.groupBox3.Text = "记录显示";
			// 
			// dataGrid1
			// 
			this.dataGrid1.DataMember = "";
			this.dataGrid1.DataSource = this.dataSet21.tsxxb;
			this.dataGrid1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(3, 17);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.Size = new System.Drawing.Size(810, 270);
			this.dataGrid1.TabIndex = 0;
			// 
			// dataSet21
			// 
			this.dataSet21.DataSetName = "DataSet2";
			this.dataSet21.Locale = new System.Globalization.CultureInfo("zh-CN");
			// 
			// oleDbDataAdapter1
			// 
			this.oleDbDataAdapter1.DeleteCommand = this.oleDbDeleteCommand1;
			this.oleDbDataAdapter1.InsertCommand = this.oleDbInsertCommand1;
			this.oleDbDataAdapter1.SelectCommand = this.oleDbSelectCommand1;
			this.oleDbDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
																										new System.Data.Common.DataTableMapping("Table", "tsxxb", new System.Data.Common.DataColumnMapping[] {
																																																				 new System.Data.Common.DataColumnMapping("编号", "编号"),
																																																				 new System.Data.Common.DataColumnMapping("出版社", "出版社"),
																																																				 new System.Data.Common.DataColumnMapping("价格", "价格"),
																																																				 new System.Data.Common.DataColumnMapping("库存数", "库存数"),
																																																				 new System.Data.Common.DataColumnMapping("类别", "类别"),
																																																				 new System.Data.Common.DataColumnMapping("书名", "书名"),
																																																				 new System.Data.Common.DataColumnMapping("在库数", "在库数"),
																																																				 new System.Data.Common.DataColumnMapping("作者", "作者")})});
			this.oleDbDataAdapter1.UpdateCommand = this.oleDbUpdateCommand1;
			// 
			// oleDbDeleteCommand1
			// 
			this.oleDbDeleteCommand1.CommandText = "DELETE FROM tsxxb WHERE (编号 = ?) AND (书名 = ?) AND (价格 = ?) AND (作者 = ?) AND (出版社 " +
				"= ?) AND (在库数 = ?) AND (库存数 = ?) AND (类别 = ?)";
			this.oleDbDeleteCommand1.Connection = this.oleDbConnection1;
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_编号", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "编号", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_书名", System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "书名", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_价格", System.Data.OleDb.OleDbType.Currency, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "价格", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_作者", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "作者", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_出版社", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "出版社", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_在库数", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "在库数", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_库存数", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "库存数", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_类别", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "类别", System.Data.DataRowVersion.Original, null));
			// 
			// oleDbConnection1
			// 
			this.oleDbConnection1.ConnectionString = @"Jet OLEDB:Registry Path=;Data Source="".\tsglxt.mdb"";Jet OLEDB:System database=;Jet OLEDB:Global Bulk Transactions=1;Jet OLEDB:Don't Copy Locale on Compact=False;User ID=Admin;Provider=""Microsoft.Jet.OLEDB.4.0"";Jet OLEDB:Database Locking Mode=1;Jet OLEDB:SFP=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Create System Database=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OLEDB:Global Partial Bulk Ops=2;Mode=Share Deny None;Extended Properties=;Jet OLEDB:Engine Type=5";
			// 
			// oleDbInsertCommand1
			// 
			this.oleDbInsertCommand1.CommandText = "INSERT INTO tsxxb(编号, 出版社, 价格, 库存数, 类别, 书名, 在库数, 作者) VALUES (?, ?, ?, ?, ?, ?, ?," +
				" ?)";
			this.oleDbInsertCommand1.Connection = this.oleDbConnection1;
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("编号", System.Data.OleDb.OleDbType.VarWChar, 20, "编号"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("出版社", System.Data.OleDb.OleDbType.VarWChar, 20, "出版社"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("价格", System.Data.OleDb.OleDbType.Currency, 0, "价格"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("库存数", System.Data.OleDb.OleDbType.Integer, 0, "库存数"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("类别", System.Data.OleDb.OleDbType.VarWChar, 20, "类别"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("书名", System.Data.OleDb.OleDbType.VarWChar, 30, "书名"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("在库数", System.Data.OleDb.OleDbType.Integer, 0, "在库数"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("作者", System.Data.OleDb.OleDbType.VarWChar, 20, "作者"));
			// 
			// oleDbSelectCommand1
			// 
			this.oleDbSelectCommand1.CommandText = "SELECT 编号, 出版社, 价格, 库存数, 类别, 书名, 在库数, 作者 FROM tsxxb";
			this.oleDbSelectCommand1.Connection = this.oleDbConnection1;
			// 
			// oleDbUpdateCommand1
			// 
			this.oleDbUpdateCommand1.CommandText = "UPDATE tsxxb SET 编号 = ?, 出版社 = ?, 价格 = ?, 库存数 = ?, 类别 = ?, 书名 = ?, 在库数 = ?, 作者 = " +
				"? WHERE (编号 = ?) AND (书名 = ?) AND (价格 = ?) AND (作者 = ?) AND (出版社 = ?) AND (在库数 =" +
				" ?) AND (库存数 = ?) AND (类别 = ?)";
			this.oleDbUpdateCommand1.Connection = this.oleDbConnection1;
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("编号", System.Data.OleDb.OleDbType.VarWChar, 20, "编号"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("出版社", System.Data.OleDb.OleDbType.VarWChar, 20, "出版社"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("价格", System.Data.OleDb.OleDbType.Currency, 0, "价格"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("库存数", System.Data.OleDb.OleDbType.Integer, 0, "库存数"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("类别", System.Data.OleDb.OleDbType.VarWChar, 20, "类别"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("书名", System.Data.OleDb.OleDbType.VarWChar, 30, "书名"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("在库数", System.Data.OleDb.OleDbType.Integer, 0, "在库数"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("作者", System.Data.OleDb.OleDbType.VarWChar, 20, "作者"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_编号", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "编号", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_书名", System.Data.OleDb.OleDbType.VarWChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "书名", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_价格", System.Data.OleDb.OleDbType.Currency, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "价格", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_作者", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "作者", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_出版社", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "出版社", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_在库数", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "在库数", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_库存数", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "库存数", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_类别", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "类别", System.Data.DataRowVersion.Original, null));
			// 
			// textBox1
			// 
			this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.textBox1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.textBox1.Location = new System.Drawing.Point(72, 38);
			this.textBox1.MaxLength = 20;
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(136, 26);
			this.textBox1.TabIndex = 0;
			this.textBox1.Text = "";
			this.textBox1.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox3_KeyDown);
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.Location = new System.Drawing.Point(16, 41);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(56, 23);
			this.label1.TabIndex = 6;
			this.label1.Text = "编号：";
			// 
			// label2
			// 
			this.label2.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label2.Location = new System.Drawing.Point(208, 41);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(56, 23);
			this.label2.TabIndex = 3;
			this.label2.Text = "书名：";
			// 
			// textBox2
			// 
			this.textBox2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.textBox2.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.textBox2.Location = new System.Drawing.Point(264, 38);
			this.textBox2.MaxLength = 20;
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(136, 26);
			this.textBox2.TabIndex = 1;
			this.textBox2.Text = "";
			this.textBox2.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox3_KeyDown);
			// 
			// label3
			// 
			this.label3.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label3.Location = new System.Drawing.Point(400, 41);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(56, 23);
			this.label3.TabIndex = 4;