数据库编程.txt

此代码为在.net环境下 用c#进行数据库编程的核心功能代码 希望对网友们又帮助

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

namespace DatabaseTest
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.GroupBox groupBox2;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.GroupBox groupBox3;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TextBox textBox4;
		private System.Windows.Forms.GroupBox groupBox4;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.Button button4;
		private System.Windows.Forms.GroupBox groupBox5;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Data.SqlClient.SqlConnection sqlConnection1;
		private System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
		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 DatabaseTest.DataSet1 dataSet11;
		private DataRow current;
		private System.Windows.Forms.ContextMenu contextMenu1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem4;
		/// <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();
			this.BindingContext[dataSet11,"BankCustomers"].Position=0;
			this.sqlDataAdapter1.Fill(dataSet11);
			this.dataGrid1.Select(0);

			//
			// 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.groupBox1 = new System.Windows.Forms.GroupBox();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.dataSet11 = new DatabaseTest.DataSet1();
			this.label2 = new System.Windows.Forms.Label();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.groupBox3 = new System.Windows.Forms.GroupBox();
			this.textBox4 = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.groupBox4 = new System.Windows.Forms.GroupBox();
			this.button4 = new System.Windows.Forms.Button();
			this.button3 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.button1 = new System.Windows.Forms.Button();
			this.groupBox5 = new System.Windows.Forms.GroupBox();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
			this.contextMenu1 = new System.Windows.Forms.ContextMenu();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
			this.groupBox2.SuspendLayout();
			this.groupBox3.SuspendLayout();
			this.groupBox4.SuspendLayout();
			this.groupBox5.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.textBox2);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Location = new System.Drawing.Point(8, 64);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(472, 48);
			this.groupBox1.TabIndex = 2;
			this.groupBox1.TabStop = false;
			// 
			// textBox2
			// 
			this.textBox2.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "BankCustomers.CustomerAddress"));
			this.textBox2.Location = new System.Drawing.Point(72, 16);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(376, 21);
			this.textBox2.TabIndex = 5;
			this.textBox2.Text = "";
			// 
			// dataSet11
			// 
			this.dataSet11.DataSetName = "DataSet1";
			this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(32, 24);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(32, 16);
			this.label2.TabIndex = 4;
			this.label2.Text = "地址";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.textBox1);
			this.groupBox2.Controls.Add(this.label1);
			this.groupBox2.Location = new System.Drawing.Point(8, 16);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(472, 48);
			this.groupBox2.TabIndex = 3;
			this.groupBox2.TabStop = false;
			// 
			// textBox1
			// 
			this.textBox1.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "BankCustomers.CustomerName"));
			this.textBox1.Location = new System.Drawing.Point(72, 16);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(376, 21);
			this.textBox1.TabIndex = 3;
			this.textBox1.Text = "";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(32, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(32, 24);
			this.label1.TabIndex = 2;
			this.label1.Text = "姓名";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// groupBox3
			// 
			this.groupBox3.Controls.Add(this.textBox4);
			this.groupBox3.Controls.Add(this.label4);
			this.groupBox3.Controls.Add(this.textBox3);
			this.groupBox3.Controls.Add(this.label3);
			this.groupBox3.Location = new System.Drawing.Point(8, 128);
			this.groupBox3.Name = "groupBox3";
			this.groupBox3.Size = new System.Drawing.Size(472, 48);
			this.groupBox3.TabIndex = 4;
			this.groupBox3.TabStop = false;
			// 
			// textBox4
			// 
			this.textBox4.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "BankCustomers.Password"));
			this.textBox4.Location = new System.Drawing.Point(288, 16);
			this.textBox4.Name = "textBox4";
			this.textBox4.Size = new System.Drawing.Size(152, 21);
			this.textBox4.TabIndex = 3;
			this.textBox4.Text = "";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(240, 16);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(48, 16);
			this.label4.TabIndex = 2;
			this.label4.Text = "密码";
			this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// textBox3
			// 
			this.textBox3.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "BankCustomers.CustomerPhone"));
			this.textBox3.Location = new System.Drawing.Point(72, 16);
			this.textBox3.Name = "textBox3";
			this.textBox3.Size = new System.Drawing.Size(160, 21);
			this.textBox3.TabIndex = 1;
			this.textBox3.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(24, 16);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(40, 23);
			this.label3.TabIndex = 0;