courseinfo.cs

自己参考开发的程序,用C#编写的,还有很的功能没有实现,数据库的安全性也没有很好的解决好.

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

namespace 教务管理系统
{
	public class CourseInfo : 教务管理系统.ParentForm
	{
		private System.Data.SqlClient.SqlCommand sqlSelectCommand1;
		private System.Data.SqlClient.SqlCommand sqlInsertCommand1;
		private System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
		private System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
		private System.Data.SqlClient.SqlConnection sqlConnection1;
		private 教务管理系统.Dataset1 dataSet11;
		private System.Windows.Forms.TextBox txt4;
		private System.Windows.Forms.TextBox txt5;
		private System.Windows.Forms.TextBox txt6;
		private System.Windows.Forms.TextBox txt9;
		private System.Windows.Forms.TextBox txt8;
		private System.Windows.Forms.TextBox txt7;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Label label6;
		private System.Windows.Forms.Label label7;
		private System.Windows.Forms.Label label8;
		private System.Windows.Forms.Label label9;
		private System.Windows.Forms.Label label10;
		private System.Windows.Forms.Label label11;
		private System.Windows.Forms.TextBox txt10;
		private System.Windows.Forms.ComboBox cmb1;
		private System.ComponentModel.IContainer components = null;

		public CourseInfo()
		{
			// 该调用是 Windows 窗体设计器所必需的。
			InitializeComponent();

			// TODO: 在 InitializeComponent 调用后添加任何初始化
		}

		/// <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 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.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
			this.dataSet11 = new 教务管理系统.Dataset1();
			this.txt4 = new System.Windows.Forms.TextBox();
			this.txt5 = new System.Windows.Forms.TextBox();
			this.txt6 = new System.Windows.Forms.TextBox();
			this.txt9 = new System.Windows.Forms.TextBox();
			this.txt8 = new System.Windows.Forms.TextBox();
			this.txt7 = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.label6 = new System.Windows.Forms.Label();
			this.label7 = new System.Windows.Forms.Label();
			this.label8 = new System.Windows.Forms.Label();
			this.label9 = new System.Windows.Forms.Label();
			this.txt10 = new System.Windows.Forms.TextBox();
			this.label10 = new System.Windows.Forms.Label();
			this.label11 = new System.Windows.Forms.Label();
			this.cmb1 = new System.Windows.Forms.ComboBox();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.groupBox2.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
			// 
			// groupBox1
			// 
			this.groupBox1.Name = "groupBox1";
			// 
			// txt2
			// 
			this.txt2.Name = "txt2";
			// 
			// label1
			// 
			this.label1.Name = "label1";
			this.label1.Text = "课程名称";
			// 
			// btnSearch
			// 
			this.btnSearch.Name = "btnSearch";
			this.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
			// 
			// txt1
			// 
			this.txt1.Name = "txt1";
			// 
			// label2
			// 
			this.label2.Name = "label2";
			this.label2.Text = "课程编号";
			// 
			// txt3
			// 
			this.txt3.Name = "txt3";
			// 
			// label3
			// 
			this.label3.Name = "label3";
			this.label3.Text = "拼音码";
			// 
			// toolBar1
			// 
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.Size = new System.Drawing.Size(728, 41);
			// 
			// dataGrid1
			// 
			this.dataGrid1.DataMember = "课程信息";
			this.dataGrid1.DataSource = this.dataSet11;
			this.dataGrid1.Name = "dataGrid1";
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.cmb1);
			this.groupBox2.Controls.Add(this.txt4);
			this.groupBox2.Controls.Add(this.txt5);
			this.groupBox2.Controls.Add(this.txt6);
			this.groupBox2.Controls.Add(this.txt9);
			this.groupBox2.Controls.Add(this.txt8);
			this.groupBox2.Controls.Add(this.txt7);
			this.groupBox2.Controls.Add(this.label4);
			this.groupBox2.Controls.Add(this.label5);
			this.groupBox2.Controls.Add(this.label6);
			this.groupBox2.Controls.Add(this.label7);
			this.groupBox2.Controls.Add(this.label8);
			this.groupBox2.Controls.Add(this.label9);
			this.groupBox2.Controls.Add(this.txt10);
			this.groupBox2.Controls.Add(this.label10);
			this.groupBox2.Controls.Add(this.label11);
			this.groupBox2.Name = "groupBox2";
			// 
			// da1
			// 
			this.da1.DeleteCommand = this.sqlDeleteCommand1;
			this.da1.InsertCommand = this.sqlInsertCommand1;
			this.da1.SelectCommand = this.sqlSelectCommand1;
			this.da1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
																						  new System.Data.Common.DataTableMapping("Table", "课程信息", new System.Data.Common.DataColumnMapping[] {
																																																  new System.Data.Common.DataColumnMapping("课程编号", "课程编号"),
																																																  new System.Data.Common.DataColumnMapping("课程名称", "课程名称"),
																																																  new System.Data.Common.DataColumnMapping("课程简称", "课程简称"),
																																																  new System.Data.Common.DataColumnMapping("拼音码", "拼音码"),
																																																  new System.Data.Common.DataColumnMapping("本学期课程", "本学期课程"),
																																																  new System.Data.Common.DataColumnMapping("教师", "教师"),
																																																  new System.Data.Common.DataColumnMapping("开课系别", "开课系别"),
																																																  new System.Data.Common.DataColumnMapping("学分", "学分")})});
			this.da1.UpdateCommand = this.sqlUpdateCommand1;
			// 
			// sqlSelectCommand1
			// 
			this.sqlSelectCommand1.CommandText = "SELECT 课程编号, 课程名称, 课程简称, 拼音码, 本学期课程, 教师, 开课系别, 学分 FROM 课程信息 WHERE (课程编号 LIKE @Par" +
				"am4) AND (课程名称 LIKE @Param5) AND (拼音码 LIKE @Param6)";
			this.sqlSelectCommand1.Connection = this.sqlConnection1;
			this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Param4", System.Data.SqlDbType.Int, 4, "课程编号"));
			this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Param5", System.Data.SqlDbType.VarChar, 40, "课程名称"));
			this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Param6", System.Data.SqlDbType.VarChar, 6, "拼音码"));
			// 
			// sqlConnection1
			// 
			this.sqlConnection1.ConnectionString = "workstation id=localhost;packet size=4096;integrated security=SSPI;data source=\"." +
				"\";persist security info=False;initial catalog=eisbook";
			// 
			// sqlInsertCommand1
			// 
			this.sqlInsertCommand1.CommandText = "INSERT INTO 课程信息(课程编号, 课程名称, 课程简称, 拼音码, 本学期课程, 教师, 开课系别, 学分) VALUES (@课程编号, @课程名称" +
				", @课程简称, @拼音码, @本学期课程, @教师, @开课系别, @学分); SELECT 课程编号, 课程名称, 课程简称, 拼音码, 本学期课程, 教师" +
				", 开课系别, 学分 FROM 课程信息 WHERE (课程编号 = @课程编号)";
			this.sqlInsertCommand1.Connection = this.sqlConnection1;
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@课程编号", System.Data.SqlDbType.Int, 4, "课程编号"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@课程名称", System.Data.SqlDbType.VarChar, 40, "课程名称"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@课程简称", System.Data.SqlDbType.VarChar, 40, "课程简称"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@拼音码", System.Data.SqlDbType.VarChar, 6, "拼音码"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@本学期课程", System.Data.SqlDbType.VarChar, 2, "本学期课程"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@教师", System.Data.SqlDbType.VarChar, 10, "教师"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@开课系别", System.Data.SqlDbType.VarChar, 30, "开课系别"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@学分", System.Data.SqlDbType.Int, 4, "学分"));
			// 
			// sqlUpdateCommand1
			// 
			this.sqlUpdateCommand1.CommandText = @"UPDATE 课程信息 SET 课程编号 = @课程编号, 课程名称 = @课程名称, 课程简称 = @课程简称, 拼音码 = @拼音码, 本学期课程 = @本学期课程, 教师 = @教师, 开课系别 = @开课系别, 学分 = @学分 WHERE (课程编号 = @Original_课程编号) AND (学分 = @Original_学分 OR @Original_学分 IS NULL AND 学分 IS NULL) AND (开课系别 = @Original_开课系别 OR @Original_开课系别 IS NULL AND 开课系别 IS NULL) AND (拼音码 = @Original_拼音码 OR @Original_拼音码 IS NULL AND 拼音码 IS NULL) AND (教师 = @Original_教师 OR @Original_教师 IS NULL AND 教师 IS NULL) AND (本学期课程 = @Original_本学期课程) AND (课程名称 = @Original_课程名称) AND (课程简称 = @Original_课程简称); SELECT 课程编号, 课程名称, 课程简称, 拼音码, 本学期课程, 教师, 开课系别, 学分 FROM 课程信息 WHERE (课程编号 = @课程编号)";
			this.sqlUpdateCommand1.Connection = this.sqlConnection1;
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@课程编号", System.Data.SqlDbType.Int, 4, "课程编号"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@课程名称", System.Data.SqlDbType.VarChar, 40, "课程名称"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@课程简称", System.Data.SqlDbType.VarChar, 40, "课程简称"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@拼音码", System.Data.SqlDbType.VarChar, 6, "拼音码"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@本学期课程", System.Data.SqlDbType.VarChar, 2, "本学期课程"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@教师", System.Data.SqlDbType.VarChar, 10, "教师"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@开课系别", System.Data.SqlDbType.VarChar, 30, "开课系别"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@学分", System.Data.SqlDbType.Int, 4, "学分"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_课程编号", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "课程编号", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_学分", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "学分", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_开课系别", System.Data.SqlDbType.VarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "开课系别", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_拼音码", System.Data.SqlDbType.VarChar, 6, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "拼音码", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_教师", System.Data.SqlDbType.VarChar, 10, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "教师", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_本学期课程", System.Data.SqlDbType.VarChar, 2, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "本学期课程", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_课程名称", System.Data.SqlDbType.VarChar, 40, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "课程名称", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_课程简称", System.Data.SqlDbType.VarChar, 40, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "课程简称", System.Data.DataRowVersion.Original, null));
			// 
			// sqlDeleteCommand1
			// 
			this.sqlDeleteCommand1.CommandText = @"DELETE FROM 课程信息 WHERE (课程编号 = @Original_课程编号) AND (学分 = @Original_学分 OR @Original_学分 IS NULL AND 学分 IS NULL) AND (开课系别 = @Original_开课系别 OR @Original_开课系别 IS NULL AND 开课系别 IS NULL) AND (拼音码 = @Original_拼音码 OR @Original_拼音码 IS NULL AND 拼音码 IS NULL) AND (教师 = @Original_教师 OR @Original_教师 IS NULL AND 教师 IS NULL) AND (本学期课程 = @Original_本学期课程) AND (课程名称 = @Original_课程名称) AND (课程简称 = @Original_课程简称)";
			this.sqlDeleteCommand1.Connection = this.sqlConnection1;
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_课程编号", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "课程编号", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_学分", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "学分", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_开课系别", System.Data.SqlDbType.VarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "开课系别", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_拼音码", System.Data.SqlDbType.VarChar, 6, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "拼音码", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_教师", System.Data.SqlDbType.VarChar, 10, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "教师", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_本学期课程", System.Data.SqlDbType.VarChar, 2, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "本学期课程", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_课程名称", System.Data.SqlDbType.VarChar, 40, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "课程名称", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_课程简称", System.Data.SqlDbType.VarChar, 40, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "课程简称", System.Data.DataRowVersion.Original, null));
			// 
			// dataSet11
			// 
			this.dataSet11.DataSetName = "DataSet1";
			this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
			// 
			// txt4
			// 
			this.txt4.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "课程信息.课程编号"));
			this.txt4.Location = new System.Drawing.Point(88, 38);
			this.txt4.Name = "txt4";
			this.txt4.ReadOnly = true;
			this.txt4.Size = new System.Drawing.Size(136, 21);
			this.txt4.TabIndex = 10;
			this.txt4.Text = "";