class.cs

c# + sql2000 学生管理系统

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;
        private GroupBox groupBox3;		
		/// <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.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(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.CancelAll = new System.Windows.Forms.Button();
            this.btnModify = new System.Windows.Forms.Button();
            this.btnAdd = new System.Windows.Forms.Button();
            this.btnDelete = new System.Windows.Forms.Button();
            this.btnApply = new System.Windows.Forms.Button();
            this.btnExit = 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.groupBox3 = new System.Windows.Forms.GroupBox();
            this.groupBox2.SuspendLayout();
            this.groupBox1.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
            this.groupBox3.SuspendLayout();
            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(12, 306);
            this.groupBox2.Name = "groupBox2";
            this.groupBox2.Size = new System.Drawing.Size(483, 103);
            this.groupBox2.TabIndex = 4;
            this.groupBox2.TabStop = false;
            // 
            // comboDep
            // 
            this.comboDep.Location = new System.Drawing.Point(320, 68);
            this.comboDep.Name = "comboDep";
            this.comboDep.Size = new System.Drawing.Size(145, 20);
            this.comboDep.TabIndex = 8;
            // 
            // textStuNum
            // 
            this.textStuNum.Location = new System.Drawing.Point(83, 66);
            this.textStuNum.Name = "textStuNum";
            this.textStuNum.Size = new System.Drawing.Size(135, 21);
            this.textStuNum.TabIndex = 7;
            // 
            // label4
            // 
            this.label4.Location = new System.Drawing.Point(8, 71);
            this.label4.Name = "label4";
            this.label4.Size = new System.Drawing.Size(69, 20);
            this.label4.TabIndex = 6;
            this.label4.Text = "学生人数:";
            // 
            // textClaName
            // 
            this.textClaName.Location = new System.Drawing.Point(320, 26);
            this.textClaName.Name = "textClaName";
            this.textClaName.Size = new System.Drawing.Size(145, 21);
            this.textClaName.TabIndex = 5;
            // 
            // label3
            // 
            this.label3.Location = new System.Drawing.Point(248, 68);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(66, 20);
            this.label3.TabIndex = 3;
            this.label3.Text = "院系名称:";
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(248, 28);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(66, 23);
            this.label2.TabIndex = 2;
            this.label2.Text = "班级名称:";
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(8, 28);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(69, 16);
            this.label1.TabIndex = 1;
            this.label1.Text = "班级代码:";
            // 
            // textClaID
            // 
            this.textClaID.Location = new System.Drawing.Point(83, 26);
            this.textClaID.Name = "textClaID";
            this.textClaID.Size = new System.Drawing.Size(135, 21);
            this.textClaID.TabIndex = 0;
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.Add(this.CancelAll);
            this.groupBox1.Controls.Add(this.btnModify);
            this.groupBox1.Controls.Add(this.btnAdd);
            this.groupBox1.Controls.Add(this.btnDelete);
            this.groupBox1.Location = new System.Drawing.Point(12, 235);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(287, 65);
            this.groupBox1.TabIndex = 3;
            this.groupBox1.TabStop = false;
            // 
            // CancelAll
            // 
            this.CancelAll.Cursor = System.Windows.Forms.Cursors.Hand;
            this.CancelAll.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
            this.CancelAll.Location = new System.Drawing.Point(212, 24);
            this.CancelAll.Name = "CancelAll";
            this.CancelAll.Size = new System.Drawing.Size(64, 24);
            this.CancelAll.TabIndex = 107;
            this.CancelAll.Text = "取消所有";
            this.CancelAll.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
            this.CancelAll.Click += new System.EventHandler(this.CancelAll_Click);
            // 
            // btnModify
            // 
            this.btnModify.Cursor = System.Windows.Forms.Cursors.Hand;
            this.btnModify.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
            this.btnModify.Location = new System.Drawing.Point(72, 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.Click += new System.EventHandler(this.btnModify_Click);
            // 
            // btnAdd
            // 
            this.btnAdd.Cursor = System.Windows.Forms.Cursors.Hand;
            this.btnAdd.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
            this.btnAdd.Location = new System.Drawing.Point(6, 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.Click += new System.EventHandler(this.btnAdd_Click);
            // 
            // btnDelete
            // 
            this.btnDelete.Cursor = System.Windows.Forms.Cursors.Hand;
            this.btnDelete.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
            this.btnDelete.Location = new System.Drawing.Point(143, 24);
            this.btnDelete.Name = "btnDelete";
            this.btnDelete.Size = new System.Drawing.Size(53, 24);
            this.btnDelete.TabIndex = 104;
            this.btnDelete.Text = "删除";
            this.btnDelete.Click += new System.EventHandler(this.btnDelete_Click);
            // 
            // btnApply
            // 
            this.btnApply.Cursor = System.Windows.Forms.Cursors.Hand;
            this.btnApply.ForeColor = System.Drawing.SystemColors.ControlText;
            this.btnApply.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
            this.btnApply.Location = new System.Drawing.Point(24, 24);
            this.btnApply.Name = "btnApply";
            this.btnApply.Size = new System.Drawing.Size(61, 24);
            this.btnApply.TabIndex = 102;
            this.btnApply.Text = "确定";
            this.btnApply.Click += new System.EventHandler(this.btnApply_Click);
            // 
            // btnExit
            // 
            this.btnExit.Image = ((System.Drawing.Image)(resources.GetObject("btnExit.Image")));
            this.btnExit.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
            this.btnExit.Location = new System.Drawing.Point(421, 424);
            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);
            // 
            // btnCancel
            // 
            this.btnCancel.Cursor = System.Windows.Forms.Cursors.Hand;