frmnewcourse.cs

三层体系结构的应用-学员管理系统 一个学校需要一个学生管理系统。分以下功能: 管理班档案 管理学生档案 学校开了多门课程

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

namespace Student
{
	using Aptech.Student.DataAccess;

	/// <summary>
	/// frmNewCourse 的摘要说明。
	/// </summary>
	public class frmNewCourse : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TextBox txtRemark;
		private System.Windows.Forms.Label lblStudentNo;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.DateTimePicker txtFinishDate;
		private System.Windows.Forms.DateTimePicker txtBeginDate;
		private System.Windows.Forms.Button btnClose;
		private System.Windows.Forms.Button btnCreate;
		private System.Windows.Forms.ComboBox ddlClass;
		private System.Windows.Forms.ComboBox ddlSubject;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public frmNewCourse()
		{
			//
			// 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 );
		}

		private void GetSubject()
		{
			Subjects subjects = new Subjects();
			DataSet dataSet = new DataSet();
			try
			{
				dataSet = subjects.SelectSubject(
					-1,
					"");
			}
			catch(Exception e)
			{
				MessageBox.Show(e.Message);
				this.Close();
				subjects.Dispose();
				return;
			}
			ddlSubject.DataSource = dataSet.Tables[0];
			ddlSubject.ValueMember = "SubjectId";
			ddlSubject.DisplayMember = "SubjectName";
		}

		private void GetClass()
		{
			Classs classs = new Classs();
			DataSet dataSet = new DataSet();
			try
			{
				dataSet = classs.SelectClass(
					-1,
					"");
			}
			catch(Exception e)
			{
				MessageBox.Show(e.Message);
				this.Close();
				return;
			}
			ddlClass.DisplayMember = "ClassName";
			ddlClass.ValueMember = "ClassId";
			ddlClass.DataSource = dataSet.Tables[0];
		}

		#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.groupBox1 = new System.Windows.Forms.GroupBox();
			this.txtFinishDate = new System.Windows.Forms.DateTimePicker();
			this.label3 = new System.Windows.Forms.Label();
			this.label4 = new System.Windows.Forms.Label();
			this.txtRemark = new System.Windows.Forms.TextBox();
			this.lblStudentNo = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.ddlClass = new System.Windows.Forms.ComboBox();
			this.ddlSubject = new System.Windows.Forms.ComboBox();
			this.txtBeginDate = new System.Windows.Forms.DateTimePicker();
			this.btnClose = new System.Windows.Forms.Button();
			this.btnCreate = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.txtBeginDate);
			this.groupBox1.Controls.Add(this.ddlSubject);
			this.groupBox1.Controls.Add(this.ddlClass);
			this.groupBox1.Controls.Add(this.txtFinishDate);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Controls.Add(this.label4);
			this.groupBox1.Controls.Add(this.txtRemark);
			this.groupBox1.Controls.Add(this.lblStudentNo);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Location = new System.Drawing.Point(-8, -8);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(500, 296);
			this.groupBox1.TabIndex = 20;
			this.groupBox1.TabStop = false;
			// 
			// txtFinishDate
			// 
			this.txtFinishDate.CustomFormat = "yyyy-MM-dd HH:mm:ss";
			this.txtFinishDate.Location = new System.Drawing.Point(120, 112);
			this.txtFinishDate.Name = "txtFinishDate";
			this.txtFinishDate.Size = new System.Drawing.Size(160, 21);
			this.txtFinishDate.TabIndex = 10;
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(40, 80);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(70, 23);
			this.label3.TabIndex = 3;
			this.label3.Text = "开课日期：";
			this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(40, 112);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(70, 23);
			this.label4.TabIndex = 4;
			this.label4.Text = "结课日期：";
			this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// txtRemark
			// 
			this.txtRemark.Location = new System.Drawing.Point(120, 144);
			this.txtRemark.Multiline = true;
			this.txtRemark.Name = "txtRemark";
			this.txtRemark.ScrollBars = System.Windows.Forms.ScrollBars.Horizontal;
			this.txtRemark.Size = new System.Drawing.Size(320, 104);
			this.txtRemark.TabIndex = 6;
			this.txtRemark.Text = "";
			// 
			// lblStudentNo
			// 
			this.lblStudentNo.Location = new System.Drawing.Point(40, 16);
			this.lblStudentNo.Name = "lblStudentNo";
			this.lblStudentNo.Size = new System.Drawing.Size(70, 23);
			this.lblStudentNo.TabIndex = 1;
			this.lblStudentNo.Text = "班：";
			this.lblStudentNo.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(40, 144);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(70, 23);
			this.label1.TabIndex = 7;
			this.label1.Text = "备注：";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(40, 48);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(70, 23);
			this.label2.TabIndex = 2;
			this.label2.Text = "科目：";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// ddlClass
			// 
			this.ddlClass.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.ddlClass.Location = new System.Drawing.Point(120, 16);
			this.ddlClass.Name = "ddlClass";
			this.ddlClass.Size = new System.Drawing.Size(160, 20);
			this.ddlClass.TabIndex = 12;
			// 
			// ddlSubject
			// 
			this.ddlSubject.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.ddlSubject.Location = new System.Drawing.Point(120, 48);
			this.ddlSubject.Name = "ddlSubject";
			this.ddlSubject.Size = new System.Drawing.Size(160, 20);
			this.ddlSubject.TabIndex = 13;
			// 
			// txtBeginDate
			// 
			this.txtBeginDate.CustomFormat = "yyyy-MM-dd HH:mm:ss";
			this.txtBeginDate.Location = new System.Drawing.Point(120, 80);
			this.txtBeginDate.Name = "txtBeginDate";
			this.txtBeginDate.Size = new System.Drawing.Size(160, 21);
			this.txtBeginDate.TabIndex = 14;
			// 
			// btnClose
			// 
			this.btnClose.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.btnClose.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.btnClose.Location = new System.Drawing.Point(240, 296);
			this.btnClose.Name = "btnClose";
			this.btnClose.Size = new System.Drawing.Size(75, 22);
			this.btnClose.TabIndex = 22;
			this.btnClose.Text = "关闭";
			// 
			// btnCreate
			// 
			this.btnCreate.DialogResult = System.Windows.Forms.DialogResult.OK;
			this.btnCreate.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.btnCreate.Location = new System.Drawing.Point(152, 296);
			this.btnCreate.Name = "btnCreate";
			this.btnCreate.Size = new System.Drawing.Size(75, 22);
			this.btnCreate.TabIndex = 21;
			this.btnCreate.Text = "建立";
			this.btnCreate.Click += new System.EventHandler(this.btnCreate_Click);
			// 
			// frmNewCourse
			// 
			this.AcceptButton = this.btnCreate;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.CancelButton = this.btnClose;
			this.ClientSize = new System.Drawing.Size(472, 326);
			this.Controls.Add(this.btnClose);
			this.Controls.Add(this.btnCreate);
			this.Controls.Add(this.groupBox1);
			this.Name = "frmNewCourse";
			this.Text = "frmNewCourse";
			this.Load += new System.EventHandler(this.frmNewCourse_Load);
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private void frmNewCourse_Load(object sender, System.EventArgs e)
		{
			GetSubject();
			GetClass();
		}

		private void btnCreate_Click(object sender, System.EventArgs e)
		{
			Courses courses = new Courses();
			courses.InsertCourse(
				Convert.ToInt32(ddlClass.SelectedValue),
				Convert.ToInt32(ddlSubject.SelectedValue),
				txtBeginDate.Value,
				txtFinishDate.Value,
				txtRemark.Text);
			MessageBox.Show("建立成功");
		}
	}
}