class.cs

c#写图书管理系统 界面美观 功能齐全 配有完整的数据库

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

namespace StudentManage.UILevel
{
	/// <summary>
	/// Class 的摘要说明。
	/// </summary>
	public class Class : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox2;
		private System.Windows.Forms.TextBox textClaName;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox textClaID;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Button btnModify;
		private System.Windows.Forms.Button btnApply;
		private System.Windows.Forms.Button btnAdd;
		private System.Windows.Forms.Button btnExit;
		private System.Windows.Forms.Button btnDelete;
		private System.Windows.Forms.Button btnCancel;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.DataGridTableStyle dataGridTableStyle1;
		private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn1;
		private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn2;
		private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn3;
		private System.Windows.Forms.DataGridTextBoxColumn dataGridTextBoxColumn4;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TextBox textStuNum;

		private SqlConnection conn1=null;
		private SqlDataAdapter sqlDataAdapter1=null;
		private DataSet DataSetDep=new DataSet("Class");
		private SqlCommand  Command1=null;
		private SqlDataReader DataReader1=null;
		private string selectStr=null;
		private string commandStr=null;
		private System.Windows.Forms.ComboBox comboDep;
		private System.Windows.Forms.Button CancelAll;		
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Class()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			this.conn1=new SqlConnection(DataLevel.Connection.ConnString);
			this.selectStr="select * from Class";			
			this.Command1=new SqlCommand();			
			this.Command1.Connection=this.conn1;
			this.sqlDataAdapter1=new SqlDataAdapter(this.selectStr,this.conn1);
			//
			// 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(Class));
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.comboDep = new System.Windows.Forms.ComboBox();
			this.textStuNum = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.textClaName = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.textClaID = new System.Windows.Forms.TextBox();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.btnModify = new System.Windows.Forms.Button();
			this.btnApply = new System.Windows.Forms.Button();
			this.btnAdd = new System.Windows.Forms.Button();
			this.btnExit = new System.Windows.Forms.Button();
			this.btnDelete = new System.Windows.Forms.Button();
			this.btnCancel = new System.Windows.Forms.Button();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.dataGridTableStyle1 = new System.Windows.Forms.DataGridTableStyle();
			this.dataGridTextBoxColumn1 = new System.Windows.Forms.DataGridTextBoxColumn();
			this.dataGridTextBoxColumn2 = new System.Windows.Forms.DataGridTextBoxColumn();
			this.dataGridTextBoxColumn3 = new System.Windows.Forms.DataGridTextBoxColumn();
			this.dataGridTextBoxColumn4 = new System.Windows.Forms.DataGridTextBoxColumn();
			this.CancelAll = new System.Windows.Forms.Button();
			this.groupBox2.SuspendLayout();
			this.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.SuspendLayout();
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.comboDep);
			this.groupBox2.Controls.Add(this.textStuNum);
			this.groupBox2.Controls.Add(this.label4);
			this.groupBox2.Controls.Add(this.textClaName);
			this.groupBox2.Controls.Add(this.label3);
			this.groupBox2.Controls.Add(this.label2);
			this.groupBox2.Controls.Add(this.label1);
			this.groupBox2.Controls.Add(this.textClaID);
			this.groupBox2.Location = new System.Drawing.Point(16, 16);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(440, 96);
			this.groupBox2.TabIndex = 4;
			this.groupBox2.TabStop = false;
			// 
			// comboDep
			// 
			this.comboDep.Location = new System.Drawing.Point(272, 56);
			this.comboDep.Name = "comboDep";
			this.comboDep.Size = new System.Drawing.Size(152, 20);
			this.comboDep.TabIndex = 8;
			// 
			// textStuNum
			// 
			this.textStuNum.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.textStuNum.Location = new System.Drawing.Point(72, 56);
			this.textStuNum.Name = "textStuNum";
			this.textStuNum.Size = new System.Drawing.Size(72, 21);
			this.textStuNum.TabIndex = 7;
			this.textStuNum.Text = "";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(8, 56);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(56, 23);
			this.label4.TabIndex = 6;
			this.label4.Text = "学生人数";
			// 
			// textClaName
			// 
			this.textClaName.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.textClaName.Location = new System.Drawing.Point(272, 24);
			this.textClaName.Name = "textClaName";
			this.textClaName.Size = new System.Drawing.Size(152, 21);
			this.textClaName.TabIndex = 5;
			this.textClaName.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(200, 56);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(56, 23);
			this.label3.TabIndex = 3;
			this.label3.Text = "院系名称";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(200, 24);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(56, 23);
			this.label2.TabIndex = 2;
			this.label2.Text = "班级名称";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 31);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(56, 23);
			this.label1.TabIndex = 1;
			this.label1.Text = "班级代码";
			// 
			// textClaID
			// 
			this.textClaID.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.textClaID.Location = new System.Drawing.Point(72, 24);
			this.textClaID.Name = "textClaID";
			this.textClaID.Size = new System.Drawing.Size(104, 21);
			this.textClaID.TabIndex = 0;
			this.textClaID.Text = "";
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.CancelAll);
			this.groupBox1.Controls.Add(this.btnModify);
			this.groupBox1.Controls.Add(this.btnApply);
			this.groupBox1.Controls.Add(this.btnAdd);
			this.groupBox1.Controls.Add(this.btnExit);
			this.groupBox1.Controls.Add(this.btnDelete);
			this.groupBox1.Controls.Add(this.btnCancel);
			this.groupBox1.Location = new System.Drawing.Point(16, 128);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(472, 56);
			this.groupBox1.TabIndex = 3;
			this.groupBox1.TabStop = false;
			// 
			// btnModify
			// 
			this.btnModify.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnModify.Image = ((System.Drawing.Image)(resources.GetObject("btnModify.Image")));
			this.btnModify.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnModify.Location = new System.Drawing.Point(88, 24);
			this.btnModify.Name = "btnModify";
			this.btnModify.Size = new System.Drawing.Size(56, 24);
			this.btnModify.TabIndex = 105;
			this.btnModify.Text = "修改";
			this.btnModify.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			this.btnModify.Click += new System.EventHandler(this.btnModify_Click);
			// 
			// btnApply
			// 
			this.btnApply.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnApply.Image = ((System.Drawing.Image)(resources.GetObject("btnApply.Image")));
			this.btnApply.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnApply.Location = new System.Drawing.Point(336, 24);
			this.btnApply.Name = "btnApply";
			this.btnApply.Size = new System.Drawing.Size(56, 24);
			this.btnApply.TabIndex = 102;
			this.btnApply.Text = "确定";
			this.btnApply.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			this.btnApply.Click += new System.EventHandler(this.btnApply_Click);
			// 
			// btnAdd
			// 
			this.btnAdd.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnAdd.Image = ((System.Drawing.Image)(resources.GetObject("btnAdd.Image")));
			this.btnAdd.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnAdd.Location = new System.Drawing.Point(24, 24);
			this.btnAdd.Name = "btnAdd";
			this.btnAdd.Size = new System.Drawing.Size(56, 24);
			this.btnAdd.TabIndex = 103;
			this.btnAdd.Text = "添加";
			this.btnAdd.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			this.btnAdd.Click += new System.EventHandler(this.btnAdd_Click);
			// 
			// btnExit
			// 
			this.btnExit.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnExit.Image = ((System.Drawing.Image)(resources.GetObject("btnExit.Image")));
			this.btnExit.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnExit.Location = new System.Drawing.Point(400, 24);
			this.btnExit.Name = "btnExit";
			this.btnExit.Size = new System.Drawing.Size(56, 24);
			this.btnExit.TabIndex = 100;
			this.btnExit.Text = "退出";
			this.btnExit.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			this.btnExit.Click += new System.EventHandler(this.btnExit_Click);
			// 
			// btnDelete
			// 
			this.btnDelete.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnDelete.Image = ((System.Drawing.Image)(resources.GetObject("btnDelete.Image")));
			this.btnDelete.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnDelete.Location = new System.Drawing.Point(152, 24);
			this.btnDelete.Name = "btnDelete";
			this.btnDelete.Size = new System.Drawing.Size(48, 24);
			this.btnDelete.TabIndex = 104;
			this.btnDelete.Text = "删除";
			this.btnDelete.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			this.btnDelete.Click += new System.EventHandler(this.btnDelete_Click);
			// 
			// btnCancel