form1.cs

C#经典范例50讲

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

namespace DataBase3
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Label label4;
		private System.Data.OleDb.OleDbDataAdapter oleDbDataAdapter1;
		private System.Data.OleDb.OleDbCommand oleDbSelectCommand1;
		private System.Data.OleDb.OleDbCommand oleDbInsertCommand1;
		private System.Data.OleDb.OleDbCommand oleDbUpdateCommand1;
		private System.Data.OleDb.OleDbCommand oleDbDeleteCommand1;
		private System.Data.OleDb.OleDbConnection oleDbConnection1;
		private DataBase3.DataSet1 dataSet11;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			// 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 Form Designer generated code
		/// <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.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.dataSet11 = new DataBase3.DataSet1();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.label4 = new System.Windows.Forms.Label();
			this.oleDbDataAdapter1 = new System.Data.OleDb.OleDbDataAdapter();
			this.oleDbDeleteCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbConnection1 = new System.Data.OleDb.OleDbConnection();
			this.oleDbInsertCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbSelectCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbUpdateCommand1 = new System.Data.OleDb.OleDbCommand();
			((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Location = new System.Drawing.Point(24, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(67, 18);
			this.label1.TabIndex = 0;
			this.label1.Text = "用户名：";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Location = new System.Drawing.Point(24, 84);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(52, 18);
			this.label2.TabIndex = 1;
			this.label2.Text = "地址：";
			// 
			// label3
			// 
			this.label3.AutoSize = true;
			this.label3.Location = new System.Drawing.Point(24, 144);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(60, 18);
			this.label3.TabIndex = 2;
			this.label3.Text = "Email：";
			// 
			// textBox1
			// 
			this.textBox1.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "user.username"));
			this.textBox1.Location = new System.Drawing.Point(104, 17);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(256, 25);
			this.textBox1.TabIndex = 3;
			this.textBox1.Text = "";
			// 
			// dataSet11
			// 
			this.dataSet11.DataSetName = "DataSet1";
			this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
			this.dataSet11.Namespace = "http://www.tempuri.org/DataSet1.xsd";
			// 
			// textBox2
			// 
			this.textBox2.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "user.address"));
			this.textBox2.Location = new System.Drawing.Point(104, 77);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(256, 25);
			this.textBox2.TabIndex = 4;
			this.textBox2.Text = "";
			// 
			// textBox3
			// 
			this.textBox3.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "user.Email"));
			this.textBox3.Location = new System.Drawing.Point(104, 137);
			this.textBox3.Name = "textBox3";
			this.textBox3.Size = new System.Drawing.Size(256, 25);
			this.textBox3.TabIndex = 5;
			this.textBox3.Text = "";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(35, 192);
			this.button1.Name = "button1";
			this.button1.TabIndex = 6;
			this.button1.Text = "上一条";