seleclass.cs

这是用SQL数据库做的学生信息管理系统。简明

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

namespace 学生与成绩
{
	/// <summary>
	/// SeleClass 的摘要说明。
	/// </summary>
	public class SeleClass : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ListBox lstClassID;
		private System.Windows.Forms.ListBox lstClassName;
		private System.Data.SqlClient.SqlDataAdapter da1;
		private System.Data.SqlClient.SqlCommand sqlSelectCommand1;
		private System.Data.SqlClient.SqlConnection sqlConnection1;
		private 学生与成绩.DataSet2 dataSet21;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public SeleClass()
		{
			//
			// 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()
		{
			this.lstClassID = new System.Windows.Forms.ListBox();
			this.lstClassName = new System.Windows.Forms.ListBox();
			this.da1 = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.dataSet21 = new 学生与成绩.DataSet2();
			((System.ComponentModel.ISupportInitialize)(this.dataSet21)).BeginInit();
			this.SuspendLayout();
			// 
			// lstClassID
			// 
			this.lstClassID.DataSource = this.dataSet21;
			this.lstClassID.DisplayMember = "班级.班级编号";
			this.lstClassID.ItemHeight = 12;
			this.lstClassID.Location = new System.Drawing.Point(44, 16);
			this.lstClassID.Name = "lstClassID";
			this.lstClassID.Size = new System.Drawing.Size(120, 124);
			this.lstClassID.TabIndex = 0;
			this.lstClassID.SelectedIndexChanged += new System.EventHandler(this.lstClassID_SelectedIndexChanged);
			// 
			// lstClassName
			// 
			this.lstClassName.DataSource = this.dataSet21;
			this.lstClassName.DisplayMember = "班级.班级名称";
			this.lstClassName.ItemHeight = 12;
			this.lstClassName.Location = new System.Drawing.Point(228, 16);
			this.lstClassName.Name = "lstClassName";
			this.lstClassName.Size = new System.Drawing.Size(120, 124);
			this.lstClassName.TabIndex = 1;
			this.lstClassName.SelectedIndexChanged += new System.EventHandler(this.lstClassName_SelectedIndexChanged);
			// 
			// da1
			// 
			this.da1.SelectCommand = this.sqlSelectCommand1;
			this.da1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
																						  new System.Data.Common.DataTableMapping("Table", "班级", new System.Data.Common.DataColumnMapping[] {
																																																new System.Data.Common.DataColumnMapping("班级编号", "班级编号"),
																																																new System.Data.Common.DataColumnMapping("班级名称", "班级名称")})});
			// 
			// sqlSelectCommand1
			// 
			this.sqlSelectCommand1.CommandText = "SELECT 班级编号, 班级名称 FROM 班级";
			this.sqlSelectCommand1.Connection = this.sqlConnection1;
			// 
			// sqlConnection1
			// 
			this.sqlConnection1.ConnectionString = "workstation id=localhost;packet size=4096;integrated security=SSPI;data source=ys" +
				"js44;persist security info=False;initial catalog=stu01";
			// 
			// dataSet21
			// 
			this.dataSet21.DataSetName = "DataSet2";
			this.dataSet21.Locale = new System.Globalization.CultureInfo("zh-CN");
			// 
			// SeleClass
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(392, 166);
			this.Controls.Add(this.lstClassName);
			this.Controls.Add(this.lstClassID);
			this.Name = "SeleClass";
			this.Text = "选择班级";
			this.Load += new System.EventHandler(this.SeleClass_Load);
			((System.ComponentModel.ISupportInitialize)(this.dataSet21)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void SeleClass_Load(object sender, System.EventArgs e)
		{
			da1.Fill(dataSet21,"班级");
		}

		private void lstClassID_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			AddUsers.Class=this.lstClassID.Text;
			this.Close();
		}

		private void lstClassName_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			AddUsers.Class=this.lstClassName.Text;
			this.Close();
		}
	}
}