courseelect.cs

由C开发的教务管理系统源码中的排课子系统

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

namespace 教务管理系统
{
	/// <summary>
	/// CourseElect 的摘要说明。
	/// </summary>
	public class CourseElect : System.Windows.Forms.Form
	{
		private DataTable electTable=new DataTable();//保存学生的选课信息
		private DataTable courseTable=new DataTable();//保存可选课程信息
		private DataView dv;//可选课程的视图
		private string studentID;//保存选课的学生信息
		private string stduentName;//选课的学生的姓名
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.GroupBox groupBox2;
		private System.Windows.Forms.GroupBox groupBox3;
		private System.Windows.Forms.DataGrid dataGrid2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox txt1;
		private System.Windows.Forms.TextBox txt2;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox txt3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Label label6;
		private System.Windows.Forms.Label label7;
		private System.Windows.Forms.TextBox txt4;
		private System.Windows.Forms.TextBox txt5;
		private System.Windows.Forms.TextBox txt6;
		private System.Windows.Forms.TextBox txt7;
		private System.Windows.Forms.Button btnSearch;
		private System.Windows.Forms.Button btnElect;
		private System.Windows.Forms.Button btnDelete;
		private System.Windows.Forms.Button btnView;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public CourseElect()
		{
			//
			// 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(CourseElect));
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.txt1 = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.txt2 = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.txt3 = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.dataGrid2 = new System.Windows.Forms.DataGrid();
			this.groupBox3 = new System.Windows.Forms.GroupBox();
			this.txt4 = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.btnSearch = new System.Windows.Forms.Button();
			this.btnElect = new System.Windows.Forms.Button();
			this.btnDelete = new System.Windows.Forms.Button();
			this.btnView = new System.Windows.Forms.Button();
			this.label5 = new System.Windows.Forms.Label();
			this.txt5 = new System.Windows.Forms.TextBox();
			this.label6 = new System.Windows.Forms.Label();
			this.txt6 = new System.Windows.Forms.TextBox();
			this.txt7 = new System.Windows.Forms.TextBox();
			this.label7 = new System.Windows.Forms.Label();
			this.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.groupBox2.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid2)).BeginInit();
			this.groupBox3.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.txt1);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Controls.Add(this.txt2);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.txt3);
			this.groupBox1.Controls.Add(this.label4);
			this.groupBox1.Location = new System.Drawing.Point(0, 3);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(696, 53);
			this.groupBox1.TabIndex = 0;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "学生信息";
			// 
			// txt1
			// 
			this.txt1.Location = new System.Drawing.Point(88, 24);
			this.txt1.Name = "txt1";
			this.txt1.TabIndex = 1;
			this.txt1.Text = "";
			this.txt1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.txt1_KeyPress);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(40, 28);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(48, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "学号";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// txt2
			// 
			this.txt2.Location = new System.Drawing.Point(272, 24);
			this.txt2.Name = "txt2";
			this.txt2.ReadOnly = true;
			this.txt2.TabIndex = 1;
			this.txt2.Text = "";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(224, 28);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(48, 16);
			this.label2.TabIndex = 0;
			this.label2.Text = "姓名";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// txt3
			// 
			this.txt3.Location = new System.Drawing.Point(480, 24);
			this.txt3.Name = "txt3";
			this.txt3.ReadOnly = true;
			this.txt3.TabIndex = 1;
			this.txt3.Text = "";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(432, 28);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(48, 16);
			this.label4.TabIndex = 0;
			this.label4.Text = "班级";
			this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// dataGrid1
			// 
			this.dataGrid1.CaptionVisible = false;
			this.dataGrid1.DataMember = "";
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(0, 56);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.ReadOnly = true;
			this.dataGrid1.Size = new System.Drawing.Size(696, 224);
			this.dataGrid1.TabIndex = 1;
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.dataGrid2);
			this.groupBox2.Controls.Add(this.groupBox3);
			this.groupBox2.Location = new System.Drawing.Point(0, 280);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(696, 224);
			this.groupBox2.TabIndex = 2;
			this.groupBox2.TabStop = false;
			this.groupBox2.Text = "课程信息";
			// 
			// dataGrid2
			// 
			this.dataGrid2.CaptionVisible = false;
			this.dataGrid2.DataMember = "";
			this.dataGrid2.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid2.Location = new System.Drawing.Point(216, 16);
			this.dataGrid2.Name = "dataGrid2";
			this.dataGrid2.ReadOnly = true;
			this.dataGrid2.Size = new System.Drawing.Size(472, 200);
			this.dataGrid2.TabIndex = 1;
			// 
			// groupBox3
			// 
			this.groupBox3.Controls.Add(this.txt4);
			this.groupBox3.Controls.Add(this.label3);
			this.groupBox3.Controls.Add(this.btnSearch);
			this.groupBox3.Controls.Add(this.btnElect);
			this.groupBox3.Controls.Add(this.btnDelete);
			this.groupBox3.Controls.Add(this.btnView);
			this.groupBox3.Controls.Add(this.label5);
			this.groupBox3.Controls.Add(this.txt5);
			this.groupBox3.Controls.Add(this.label6);
			this.groupBox3.Controls.Add(this.txt6);
			this.groupBox3.Controls.Add(this.txt7);
			this.groupBox3.Controls.Add(this.label7);
			this.groupBox3.Location = new System.Drawing.Point(8, 16);
			this.groupBox3.Name = "groupBox3";
			this.groupBox3.Size = new System.Drawing.Size(200, 200);
			this.groupBox3.TabIndex = 0;
			this.groupBox3.TabStop = false;
			// 
			// txt4
			// 
			this.txt4.Location = new System.Drawing.Point(72, 16);
			this.txt4.Name = "txt4";
			this.txt4.Size = new System.Drawing.Size(112, 21);
			this.txt4.TabIndex = 2;
			this.txt4.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 16);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(56, 16);
			this.label3.TabIndex = 1;
			this.label3.Text = "课程拼音";
			// 
			// btnSearch
			// 
			this.btnSearch.Image = ((System.Drawing.Image)(resources.GetObject("btnSearch.Image")));
			this.btnSearch.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnSearch.Location = new System.Drawing.Point(16, 120);
			this.btnSearch.Name = "btnSearch";
			this.btnSearch.TabIndex = 0;
			this.btnSearch.Text = "查询";
			this.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
			// 
			// btnElect
			// 
			this.btnElect.Enabled = false;
			this.btnElect.Image = ((System.Drawing.Image)(resources.GetObject("btnElect.Image")));
			this.btnElect.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnElect.Location = new System.Drawing.Point(112, 120);
			this.btnElect.Name = "btnElect";
			this.btnElect.TabIndex = 0;
			this.btnElect.Text = "选课";
			this.btnElect.Click += new System.EventHandler(this.btnElect_Click);
			// 
			// btnDelete
			// 
			this.btnDelete.Enabled = false;
			this.btnDelete.Image = ((System.Drawing.Image)(resources.GetObject("btnDelete.Image")));
			this.btnDelete.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnDelete.Location = new System.Drawing.Point(16, 160);
			this.btnDelete.Name = "btnDelete";
			this.btnDelete.TabIndex = 0;