provider.cs

《C#数据库项目案例导航》一书的配套光盘

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

namespace Sale
{
	/// <summary>
	/// Form2 的摘要说明。
	/// </summary>
	public class Provider : System.Windows.Forms.Form
	{
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		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.GroupBox groupBox2;
		private System.Windows.Forms.Button btnLast;
		private System.Windows.Forms.Button btnNext;
		private System.Windows.Forms.Button btnPrevious;
		private System.Windows.Forms.Button btnFirst;
		private System.Windows.Forms.Label lblDatasetPosition;
		private System.Windows.Forms.Button btnAdd;
		private System.Windows.Forms.Button btnDelete;
		private System.Windows.Forms.Button btnQuery;
		private System.Windows.Forms.Button btnModify;
		private System.Windows.Forms.Button btnPrint;
		private System.Windows.Forms.Button btnExit;
		private System.Windows.Forms.MenuItem menuExit;
		private System.Windows.Forms.Button btnCancel;
		private System.Windows.Forms.TextBox textWebSite;
		private System.Windows.Forms.TextBox textAddress;
		private System.Windows.Forms.TextBox textFaxNo;
		private System.Windows.Forms.TextBox textTelNo;
		private System.Windows.Forms.TextBox textPeople;
		private System.Windows.Forms.TextBox textName;
		private System.Windows.Forms.TextBox textId;
		private System.Windows.Forms.TextBox textRemark;
		private System.Windows.Forms.TextBox textPostalCode;
		private System.Windows.Forms.Button btnApply;
		private System.Windows.Forms.GroupBox groupBox3;
		private System.Windows.Forms.GroupBox groupBox4;
		private System.Windows.Forms.RadioButton rbtnId;
		private System.Windows.Forms.RadioButton rbtnName;		
		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 Sale.DataSetProvider objDataSetProvider;		
				
		
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Provider()
		{
			//
			// 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()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Provider));
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.menuExit = new System.Windows.Forms.MenuItem();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.lblDatasetPosition = new System.Windows.Forms.Label();
			this.btnLast = new System.Windows.Forms.Button();
			this.btnNext = new System.Windows.Forms.Button();
			this.btnPrevious = new System.Windows.Forms.Button();
			this.btnFirst = new System.Windows.Forms.Button();
			this.textWebSite = new System.Windows.Forms.TextBox();
			this.textAddress = new System.Windows.Forms.TextBox();
			this.textFaxNo = new System.Windows.Forms.TextBox();
			this.textTelNo = new System.Windows.Forms.TextBox();
			this.textPeople = new System.Windows.Forms.TextBox();
			this.textName = new System.Windows.Forms.TextBox();
			this.textId = new System.Windows.Forms.TextBox();
			this.objDataSetProvider = new Sale.DataSetProvider();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.textRemark = new System.Windows.Forms.TextBox();
			this.label8 = new System.Windows.Forms.Label();
			this.label7 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.label4 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.label6 = new System.Windows.Forms.Label();
			this.textPostalCode = new System.Windows.Forms.TextBox();
			this.btnCancel = new System.Windows.Forms.Button();
			this.btnExit = new System.Windows.Forms.Button();
			this.btnAdd = new System.Windows.Forms.Button();
			this.btnDelete = new System.Windows.Forms.Button();
			this.btnQuery = new System.Windows.Forms.Button();
			this.btnModify = new System.Windows.Forms.Button();
			this.btnPrint = new System.Windows.Forms.Button();
			this.btnApply = new System.Windows.Forms.Button();
			this.groupBox3 = new System.Windows.Forms.GroupBox();
			this.groupBox4 = new System.Windows.Forms.GroupBox();
			this.rbtnName = new System.Windows.Forms.RadioButton();
			this.rbtnId = new System.Windows.Forms.RadioButton();
			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.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.objDataSetProvider)).BeginInit();
			this.groupBox2.SuspendLayout();
			this.groupBox3.SuspendLayout();
			this.groupBox4.SuspendLayout();
			this.SuspendLayout();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem6,
																					  this.menuItem1});
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 0;
			this.menuItem6.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuExit});
			this.menuItem6.Text = "文件(&F)";
			// 
			// menuExit
			// 
			this.menuExit.Index = 0;
			this.menuExit.Text = "退出(&x)";
			this.menuExit.Click += new System.EventHandler(this.menuItem7_Click);
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 1;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem2,
																					  this.menuItem3,
																					  this.menuItem4,
																					  this.menuItem5});
			this.menuItem1.Text = "编辑(&E)";
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 0;
			this.menuItem2.Text = "添加供应商";
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 1;
			this.menuItem3.Text = "删除供应商";
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 2;
			this.menuItem4.Text = "编辑供应商";
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 3;
			this.menuItem5.Text = "查询供应商";
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.lblDatasetPosition);
			this.groupBox1.Controls.Add(this.btnLast);
			this.groupBox1.Controls.Add(this.btnNext);
			this.groupBox1.Controls.Add(this.btnPrevious);
			this.groupBox1.Controls.Add(this.btnFirst);
			this.groupBox1.Controls.Add(this.textWebSite);
			this.groupBox1.Controls.Add(this.textAddress);
			this.groupBox1.Controls.Add(this.textFaxNo);
			this.groupBox1.Controls.Add(this.textTelNo);
			this.groupBox1.Controls.Add(this.textPeople);
			this.groupBox1.Controls.Add(this.textName);
			this.groupBox1.Controls.Add(this.textId);
			this.groupBox1.Controls.Add(this.groupBox2);
			this.groupBox1.Controls.Add(this.label8);
			this.groupBox1.Controls.Add(this.label7);
			this.groupBox1.Controls.Add(this.label5);
			this.groupBox1.Controls.Add(this.label4);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Controls.Add(this.label6);
			this.groupBox1.Controls.Add(this.textPostalCode);
			this.groupBox1.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.groupBox1.Location = new System.Drawing.Point(24, 16);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(576, 304);
			this.groupBox1.TabIndex = 1;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "供应商信息";
			// 
			// lblDatasetPosition
			// 
			this.lblDatasetPosition.BackColor = System.Drawing.Color.White;
			this.lblDatasetPosition.Location = new System.Drawing.Point(104, 24);
			this.lblDatasetPosition.Name = "lblDatasetPosition";
			this.lblDatasetPosition.Size = new System.Drawing.Size(64, 23);
			this.lblDatasetPosition.TabIndex = 24;
			this.lblDatasetPosition.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// btnLast
			// 
			this.btnLast.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnLast.Image = ((System.Drawing.Image)(resources.GetObject("btnLast.Image")));
			this.btnLast.Location = new System.Drawing.Point(224, 24);
			this.btnLast.Name = "btnLast";
			this.btnLast.Size = new System.Drawing.Size(40, 24);
			this.btnLast.TabIndex = 23;
			this.btnLast.Click += new System.EventHandler(this.btnLast_Click);
			// 
			// btnNext
			// 
			this.btnNext.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnNext.Image = ((System.Drawing.Image)(resources.GetObject("btnNext.Image")));
			this.btnNext.Location = new System.Drawing.Point(176, 24);
			this.btnNext.Name = "btnNext";
			this.btnNext.Size = new System.Drawing.Size(40, 24);
			this.btnNext.TabIndex = 22;
			this.btnNext.Click += new System.EventHandler(this.btnNext_Click);
			// 
			// btnPrevious
			// 
			this.btnPrevious.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnPrevious.Image = ((System.Drawing.Image)(resources.GetObject("btnPrevious.Image")));
			this.btnPrevious.Location = new System.Drawing.Point(56, 24);
			this.btnPrevious.Name = "btnPrevious";
			this.btnPrevious.Size = new System.Drawing.Size(40, 24);
			this.btnPrevious.TabIndex = 21;
			this.btnPrevious.Click += new System.EventHandler(this.btnPrevious_Click);
			// 
			// btnFirst
			// 
			this.btnFirst.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.btnFirst.Image = ((System.Drawing.Image)(resources.GetObject("btnFirst.Image")));
			this.btnFirst.Location = new System.Drawing.Point(8, 24);
			this.btnFirst.Name = "btnFirst";
			this.btnFirst.Size = new System.Drawing.Size(40, 24);
			this.btnFirst.TabIndex = 20;
			this.btnFirst.Click += new System.EventHandler(this.btnFirst_Click);
			// 
			// textWebSite
			// 
			this.textWebSite.Location = new System.Drawing.Point(88, 272);
			this.textWebSite.Name = "textWebSite";
			this.textWebSite.Size = new System.Drawing.Size(120, 23);
			this.textWebSite.TabIndex = 17;
			this.textWebSite.Text = "";
			// 
			// textAddress
			// 
			this.textAddress.Location = new System.Drawing.Point(376, 16);
			this.textAddress.Name = "textAddress";
			this.textAddress.Size = new System.Drawing.Size(120, 23);
			this.textAddress.TabIndex = 15;
			this.textAddress.Text = "";
			// 
			// textFaxNo
			// 
			this.textFaxNo.Location = new System.Drawing.Point(88, 232);
			this.textFaxNo.Name = "textFaxNo";
			this.textFaxNo.Size = new System.Drawing.Size(120, 23);
			this.textFaxNo.TabIndex = 14;
			this.textFaxNo.Text = "";
			// 
			// textTelNo
			// 
			this.textTelNo.Location = new System.Drawing.Point(88, 184);
			this.textTelNo.Name = "textTelNo";
			this.textTelNo.Size = new System.Drawing.Size(120, 23);
			this.textTelNo.TabIndex = 13;
			this.textTelNo.Text = "";
			// 
			// textPeople
			// 
			this.textPeople.Location = new System.Drawing.Point(88, 144);
			this.textPeople.Name = "textPeople";
			this.textPeople.Size = new System.Drawing.Size(120, 23);
			this.textPeople.TabIndex = 12;
			this.textPeople.Text = "";
			// 
			// textName
			// 
			this.textName.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.objDataSetProvider, "Provider.ProviderName"));