form1.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;
using System.Data;
using System.Diagnostics;

namespace 图书馆信息管理系统
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.ContextMenu contextMenu1;
		private System.Windows.Forms.MenuItem menuItemdzcx;
		private System.Windows.Forms.MenuItem menuItemdzzc;
		private System.Windows.Forms.MenuItem menuItemdzzx;
		private System.Windows.Forms.MenuItem menuItemsmcx;
		private System.Windows.Forms.MenuItem menuItemtjts;
		private System.Windows.Forms.MenuItem menuItemscts;
		private System.Windows.Forms.MenuItem menuItemjsgl;
		private System.Windows.Forms.MenuItem menuItemhsgl;
		private System.Windows.Forms.MenuItem menuItemcxyg;
		private System.Windows.Forms.MenuItem menuItemzjyg;
		private System.Windows.Forms.MenuItem menuItemscyg;
		private System.Windows.Forms.MenuItem menuItemsdxt;
		private System.Windows.Forms.MenuItem menuItemsysm;
		private System.Windows.Forms.MenuItem menuItemgyxt;
		private System.Windows.Forms.MenuItem menuItemjs;
		private System.Windows.Forms.MenuItem menuItemhs;
		private System.Windows.Forms.MenuItem menuItemsd;
		private System.Windows.Forms.MenuItem menuItemtc;
		private System.Windows.Forms.MenuItem menuItemdzgl;
		private System.Windows.Forms.MenuItem menuItemtsgl;
		private System.Windows.Forms.MenuItem menuItemjshs;
		private System.Windows.Forms.MenuItem menuItemyggl;
		private System.Windows.Forms.MenuItem menuItembz;
		private System.Windows.Forms.MenuItem menuItemaq;
		private System.Windows.Forms.MenuItem menuItemxxxg;
		private System.Windows.Forms.MenuItem menuItemjlxg;
		private System.Windows.Forms.MenuItem menuItemzlxg;
		private System.Windows.Forms.MenuItem menuItemmmxg;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.ToolBar toolBar1;
		private System.Windows.Forms.ImageList imageList1;
		private System.Windows.Forms.ToolBarButton toolBarButton1;
		private System.Windows.Forms.ToolBarButton toolBarButton2;
		private System.Windows.Forms.ToolBarButton toolBarButton3;
		private System.Windows.Forms.ToolBarButton toolBarButton4;
		private System.Windows.Forms.ToolBarButton toolBarButton5;
		private System.Windows.Forms.ToolBarButton toolBarButton6;
		private System.Windows.Forms.ToolBarButton toolBarButton7;
		private System.Windows.Forms.ToolBarButton toolBarButton8;
		private System.Windows.Forms.ToolBarButton toolBarButton9;
		private System.Windows.Forms.ToolBarButton toolBarButton10;
		private System.Windows.Forms.ToolBarButton toolBarButton11;
		private System.Windows.Forms.ToolBarButton toolBarButton12;
		private System.Windows.Forms.ToolBarButton toolBarButton13;
		private System.Windows.Forms.ToolBarButton toolBarButton14;
		private System.Windows.Forms.ToolBarButton toolBarButton15;
		private System.Windows.Forms.ToolBarButton toolBarButton16;
		private System.Windows.Forms.ToolBarButton toolBarButton17;
		private System.Windows.Forms.ToolBarButton toolBarButton18;
		private System.Windows.Forms.ToolBarButton toolBarButton19;
		private System.Windows.Forms.ToolBarButton toolBarButton20;
		private System.Windows.Forms.ToolBarButton toolBarButton21;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.ComponentModel.IContainer components;

		public Form1()
		{
			//
			// 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.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItemdzgl = new System.Windows.Forms.MenuItem();
			this.menuItemdzcx = new System.Windows.Forms.MenuItem();
			this.menuItemdzzc = new System.Windows.Forms.MenuItem();
			this.menuItemdzzx = new System.Windows.Forms.MenuItem();
			this.menuItemxxxg = new System.Windows.Forms.MenuItem();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItemtsgl = new System.Windows.Forms.MenuItem();
			this.menuItemsmcx = new System.Windows.Forms.MenuItem();
			this.menuItemtjts = new System.Windows.Forms.MenuItem();
			this.menuItemscts = new System.Windows.Forms.MenuItem();
			this.menuItemjlxg = new System.Windows.Forms.MenuItem();
			this.menuItemjshs = new System.Windows.Forms.MenuItem();
			this.menuItemjsgl = new System.Windows.Forms.MenuItem();
			this.menuItemhsgl = new System.Windows.Forms.MenuItem();
			this.menuItemyggl = new System.Windows.Forms.MenuItem();
			this.menuItemcxyg = new System.Windows.Forms.MenuItem();
			this.menuItemzjyg = new System.Windows.Forms.MenuItem();
			this.menuItemscyg = new System.Windows.Forms.MenuItem();
			this.menuItemzlxg = new System.Windows.Forms.MenuItem();
			this.menuItemmmxg = new System.Windows.Forms.MenuItem();
			this.menuItemaq = new System.Windows.Forms.MenuItem();
			this.menuItemsdxt = new System.Windows.Forms.MenuItem();
			this.menuItembz = new System.Windows.Forms.MenuItem();
			this.menuItemsysm = new System.Windows.Forms.MenuItem();
			this.menuItemgyxt = new System.Windows.Forms.MenuItem();
			this.contextMenu1 = new System.Windows.Forms.ContextMenu();
			this.menuItemjs = new System.Windows.Forms.MenuItem();
			this.menuItemhs = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItemsd = new System.Windows.Forms.MenuItem();
			this.menuItemtc = new System.Windows.Forms.MenuItem();
			this.toolBar1 = new System.Windows.Forms.ToolBar();
			this.toolBarButton1 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton9 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton2 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton10 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton11 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton3 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton12 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton4 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton13 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton5 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton14 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton17 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton6 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton15 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton7 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton16 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton21 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton18 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton19 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton20 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton8 = new System.Windows.Forms.ToolBarButton();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.SuspendLayout();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItemdzgl,
																					  this.menuItemtsgl,
																					  this.menuItemjshs,
																					  this.menuItemyggl,
																					  this.menuItemaq,
																					  this.menuItembz});
			// 
			// menuItemdzgl
			// 
			this.menuItemdzgl.Index = 0;
			this.menuItemdzgl.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItemdzcx,
																						 this.menuItemdzzc,
																						 this.menuItemdzzx,
																						 this.menuItemxxxg,
																						 this.menuItem1});
			this.menuItemdzgl.Text = "读者管理(&M)";
			// 
			// menuItemdzcx
			// 
			this.menuItemdzcx.Index = 0;
			this.menuItemdzcx.Shortcut = System.Windows.Forms.Shortcut.CtrlR;
			this.menuItemdzcx.Text = "读者查询";
			this.menuItemdzcx.Click += new System.EventHandler(this.menuItemdzcx_Click);
			// 
			// menuItemdzzc
			// 
			this.menuItemdzzc.Index = 1;
			this.menuItemdzzc.Shortcut = System.Windows.Forms.Shortcut.CtrlG;
			this.menuItemdzzc.Text = "读者注册";
			this.menuItemdzzc.Click += new System.EventHandler(this.menuItemdzzc_Click);
			// 
			// menuItemdzzx
			// 
			this.menuItemdzzx.Index = 2;
			this.menuItemdzzx.Shortcut = System.Windows.Forms.Shortcut.CtrlD;
			this.menuItemdzzx.Text = "读者注消";
			this.menuItemdzzx.Click += new System.EventHandler(this.menuItemdzzx_Click);
			// 
			// menuItemxxxg
			// 
			this.menuItemxxxg.Index = 3;
			this.menuItemxxxg.Shortcut = System.Windows.Forms.Shortcut.CtrlW;
			this.menuItemxxxg.Text = "信息修改";
			this.menuItemxxxg.Click += new System.EventHandler(this.menuItemxxxg_Click);
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 4;
			this.menuItem1.Text = "退出(&Q)";
			this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click);
			// 
			// menuItemtsgl
			// 
			this.menuItemtsgl.Index = 1;
			this.menuItemtsgl.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItemsmcx,
																						 this.menuItemtjts,
																						 this.menuItemscts,
																						 this.menuItemjlxg});
			this.menuItemtsgl.Text = "图书管理(&B)";
			this.menuItemtsgl.Click += new System.EventHandler(this.menuItemtsgl_Click);
			// 
			// menuItemsmcx
			// 
			this.menuItemsmcx.Index = 0;
			this.menuItemsmcx.Shortcut = System.Windows.Forms.Shortcut.CtrlB;
			this.menuItemsmcx.Text = "书目查询";
			this.menuItemsmcx.Click += new System.EventHandler(this.menuItemsmcx_Click);
			// 
			// menuItemtjts
			// 
			this.menuItemtjts.Index = 1;
			this.menuItemtjts.Shortcut = System.Windows.Forms.Shortcut.CtrlK;
			this.menuItemtjts.Text = "添加图书";
			this.menuItemtjts.Click += new System.EventHandler(this.menuItemtjts_Click);
			// 
			// menuItemscts
			// 
			this.menuItemscts.Index = 2;
			this.menuItemscts.Shortcut = System.Windows.Forms.Shortcut.CtrlL;
			this.menuItemscts.Text = "删除图书";
			this.menuItemscts.Click += new System.EventHandler(this.menuItemscts_Click);
			// 
			// menuItemjlxg
			// 
			this.menuItemjlxg.Index = 3;
			this.menuItemjlxg.Shortcut = System.Windows.Forms.Shortcut.CtrlE;
			this.menuItemjlxg.Text = "记录修改";
			this.menuItemjlxg.Click += new System.EventHandler(this.menuItemjlxg_Click);
			// 
			// menuItemjshs
			// 
			this.menuItemjshs.Index = 2;
			this.menuItemjshs.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItemjsgl,
																						 this.menuItemhsgl});
			this.menuItemjshs.Text = "借书／还书(&J)";
			// 
			// menuItemjsgl
			// 
			this.menuItemjsgl.Index = 0;
			this.menuItemjsgl.Shortcut = System.Windows.Forms.Shortcut.CtrlJ;
			this.menuItemjsgl.Text = "借书管理";
			this.menuItemjsgl.Click += new System.EventHandler(this.menuItemjsgl_Click);
			// 
			// menuItemhsgl
			// 
			this.menuItemhsgl.Index = 1;
			this.menuItemhsgl.Shortcut = System.Windows.Forms.Shortcut.CtrlM;
			this.menuItemhsgl.Text = "还书管理";
			this.menuItemhsgl.Click += new System.EventHandler(this.menuItemhsgl_Click);
			// 
			// menuItemyggl
			// 
			this.menuItemyggl.Index = 3;
			this.menuItemyggl.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItemcxyg,
																						 this.menuItemzjyg,
																						 this.menuItemscyg,
																						 this.menuItemzlxg,
																						 this.menuItemmmxg});
			this.menuItemyggl.Text = "员工管理(&Y)";
			// 
			// menuItemcxyg
			// 
			this.menuItemcxyg.Index = 0;
			this.menuItemcxyg.Shortcut = System.Windows.Forms.Shortcut.CtrlF;
			this.menuItemcxyg.Text = "查询员工";
			this.menuItemcxyg.Click += new System.EventHandler(this.menuItemcxyg_Click);
			// 
			// menuItemzjyg
			// 
			this.menuItemzjyg.Index = 1;
			this.menuItemzjyg.Shortcut = System.Windows.Forms.Shortcut.CtrlI;
			this.menuItemzjyg.Text = "增加员工";
			this.menuItemzjyg.Click += new System.EventHandler(this.menuItemzjyg_Click);
			// 
			// menuItemscyg
			// 
			this.menuItemscyg.Index = 2;
			this.menuItemscyg.Shortcut = System.Windows.Forms.Shortcut.CtrlY;
			this.menuItemscyg.Text = "删除员工";
			this.menuItemscyg.Click += new System.EventHandler(this.menuItemscyg_Click);
			// 
			// menuItemzlxg
			// 
			this.menuItemzlxg.Index = 3;
			this.menuItemzlxg.Shortcut = System.Windows.Forms.Shortcut.CtrlP;
			this.menuItemzlxg.Text = "资料修改";
			this.menuItemzlxg.Click += new System.EventHandler(this.menuItemzlxg_Click);
			// 
			// menuItemmmxg
			// 
			this.menuItemmmxg.Index = 4;
			this.menuItemmmxg.Shortcut = System.Windows.Forms.Shortcut.CtrlO;
			this.menuItemmmxg.Text = "修改密码";
			this.menuItemmmxg.Click += new System.EventHandler(this.menuItemmmxg_Click);
			// 
			// menuItemaq
			// 
			this.menuItemaq.Index = 4;
			this.menuItemaq.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					   this.menuItemsdxt});
			this.menuItemaq.Text = "安全(&S)";
			// 
			// menuItemsdxt
			// 
			this.menuItemsdxt.Index = 0;
			this.menuItemsdxt.Shortcut = System.Windows.Forms.Shortcut.CtrlT;
			this.menuItemsdxt.Text = "锁定系系统";
			this.menuItemsdxt.Click += new System.EventHandler(this.menuItemsdxt_Click);
			// 
			// menuItembz
			// 
			this.menuItembz.Index = 5;
			this.menuItembz.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					   this.menuItemsysm,
																					   this.menuItemgyxt});
			this.menuItembz.Text = "帮助(&H)";
			// 
			// menuItemsysm
			// 
			this.menuItemsysm.Index = 0;
			this.menuItemsysm.Shortcut = System.Windows.Forms.Shortcut.CtrlH;
			this.menuItemsysm.Text = "使用说明．．．";
			this.menuItemsysm.Click += new System.EventHandler(this.menuItemsysm_Click);
			// 
			// menuItemgyxt
			// 
			this.menuItemgyxt.Index = 1;
			this.menuItemgyxt.Text = "关于系统．．．(&B)";
			this.menuItemgyxt.Click += new System.EventHandler(this.menuItemgyxt_Click);
			// 
			// contextMenu1
			// 
			this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItemjs,
																						 this.menuItemhs,
																						 this.menuItem2,
																						 this.menuItem3,
																						 this.menuItemsd,
																						 this.menuItemtc});
			// 
			// menuItemjs
			// 
			this.menuItemjs.Index = 0;
			this.menuItemjs.Text = "借书(&B)";
			this.menuItemjs.Click += new System.EventHandler(this.menuItemjs_Click);
			// 
			// menuItemhs
			// 
			this.menuItemhs.Index = 1;
			this.menuItemhs.Text = "还书(&M)";
			this.menuItemhs.Click += new System.EventHandler(this.menuItemhs_Click);
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 2;
			this.menuItem2.Text = "显示工具栏(&P)";
			this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 3;
			this.menuItem3.Text = "隐藏工具栏(&O)";
			this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
			// 
			// menuItemsd
			// 
			this.menuItemsd.Index = 4;
			this.menuItemsd.Text = "锁定(&T)";
			this.menuItemsd.Click += new System.EventHandler(this.menuItemsd_Click);
			// 
			// menuItemtc
			// 
			this.menuItemtc.Index = 5;
			this.menuItemtc.Text = "退出(&Q)";
			this.menuItemtc.Click += new System.EventHandler(this.menuItemtc_Click);
			// 
			// toolBar1
			// 
			this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																						this.toolBarButton1,
																						this.toolBarButton9,
																						this.toolBarButton2,
																						this.toolBarButton10,
																						this.toolBarButton11,
																						this.toolBarButton3,
																						this.toolBarButton12,
																						this.toolBarButton4,
																						this.toolBarButton13,
																						this.toolBarButton5,
																						this.toolBarButton14,
																						this.toolBarButton17,
																						this.toolBarButton6,
																						this.toolBarButton15,
																						this.toolBarButton7,
																						this.toolBarButton16,
																						this.toolBarButton21,
																						this.toolBarButton18,
																						this.toolBarButton19,
																						this.toolBarButton20,
																						this.toolBarButton8});