service1.asmx.cs

C#经典范例50讲

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Web;
using System.Web.Services;

namespace WebServiceDistribute
{
	/// <summary>
	/// Service1 的摘要说明。
	/// </summary>
	[WebService(Namespace="http://localhost/Distribute",Description="分布式应用程序。")]
	public class Service1 : System.Web.Services.WebService
	{
		public Service1()
		{
			//CODEGEN：该调用是 ASP.NET Web 服务设计器所必需的
			InitializeComponent();
		}

		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 WebServiceDistribute.DataSet1 dataSet11;

		#region Component Designer generated code
		
		//Web 服务设计器所必需的
		private IContainer components = null;
				
		/// <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.oleDbDataAdapter1 = new System.Data.OleDb.OleDbDataAdapter();
			this.oleDbSelectCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbInsertCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbUpdateCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbDeleteCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbConnection1 = new System.Data.OleDb.OleDbConnection();
			this.dataSet11 = new WebServiceDistribute.DataSet1();
			((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
			// 
			// oleDbDataAdapter1
			// 
			this.oleDbDataAdapter1.DeleteCommand = this.oleDbDeleteCommand1;
			this.oleDbDataAdapter1.InsertCommand = this.oleDbInsertCommand1;
			this.oleDbDataAdapter1.SelectCommand = this.oleDbSelectCommand1;
			this.oleDbDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
																										new System.Data.Common.DataTableMapping("Table", "user", new System.Data.Common.DataColumnMapping[] {
																																																				new System.Data.Common.DataColumnMapping("username", "username"),
																																																				new System.Data.Common.DataColumnMapping("address", "address"),
																																																				new System.Data.Common.DataColumnMapping("Email", "Email")})});
			this.oleDbDataAdapter1.UpdateCommand = this.oleDbUpdateCommand1;
			// 
			// oleDbSelectCommand1
			// 
			this.oleDbSelectCommand1.CommandText = "SELECT username, address, Email FROM [user]";
			this.oleDbSelectCommand1.Connection = this.oleDbConnection1;
			// 
			// oleDbInsertCommand1
			// 
			this.oleDbInsertCommand1.CommandText = "INSERT INTO [user] (username, address, Email) VALUES (?, ?, ?)";
			this.oleDbInsertCommand1.Connection = this.oleDbConnection1;
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("username", System.Data.OleDb.OleDbType.VarWChar, 20, "username"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("address", System.Data.OleDb.OleDbType.VarWChar, 50, "address"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Email", System.Data.OleDb.OleDbType.VarWChar, 50, "Email"));
			// 
			// oleDbUpdateCommand1
			// 
			this.oleDbUpdateCommand1.CommandText = "UPDATE [user] SET username = ?, address = ?, Email = ? WHERE (username = ?) AND (" +
				"Email = ? OR ? IS NULL AND Email IS NULL) AND (address = ? OR ? IS NULL AND addr" +
				"ess IS NULL)";
			this.oleDbUpdateCommand1.Connection = this.oleDbConnection1;
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("username", System.Data.OleDb.OleDbType.VarWChar, 20, "username"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("address", System.Data.OleDb.OleDbType.VarWChar, 50, "address"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Email", System.Data.OleDb.OleDbType.VarWChar, 50, "Email"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_username", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "username", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_Email", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Email", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_Email1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Email", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_address", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "address", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_address1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "address", System.Data.DataRowVersion.Original, null));
			// 
			// oleDbDeleteCommand1
			// 
			this.oleDbDeleteCommand1.CommandText = "DELETE FROM [user] WHERE (username = ?) AND (Email = ? OR ? IS NULL AND Email IS " +
				"NULL) AND (address = ? OR ? IS NULL AND address IS NULL)";
			this.oleDbDeleteCommand1.Connection = this.oleDbConnection1;
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_username", System.Data.OleDb.OleDbType.VarWChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "username", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_Email", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Email", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_Email1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Email", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_address", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "address", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_address1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "address", System.Data.DataRowVersion.Original, null));
			// 
			// oleDbConnection1
			// 
			this.oleDbConnection1.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Password="""";User ID=Admin;Data Source=C:\Inetpub\wwwroot\WebServiceDistribute\bin\test.mdb;Mode=Share Deny None;Extended Properties="""";Jet OLEDB:System database="""";Jet OLEDB:Registry Path="""";Jet OLEDB:Database Password="""";Jet OLEDB:Engine Type=5;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Global Bulk Transactions=1;Jet OLEDB:New Database Password="""";Jet OLEDB:Create System Database=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Don't Copy Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OLEDB:SFP=False";
			// 
			// dataSet11
			// 
			this.dataSet11.DataSetName = "DataSet1";
			this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
			this.dataSet11.Namespace = "http://www.tempuri.org/DataSet1.xsd";
			((System.ComponentModel.ISupportInitialize)(this.dataSet11)).EndInit();

		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if(disposing && components != null)
			{
				components.Dispose();
			}
			base.Dispose(disposing);		
		}
		
		#endregion

		[WebMethod]
		public DataSet1 GetData() 
		{
			DataSet1 data = new DataSet1();
			oleDbDataAdapter1.Fill(data);
			return data;
		}
		[WebMethod]
		public DataSet1 UpdateData(DataSet1 data)
		{
			if (data != null)
			{
				oleDbDataAdapter1.Update(data);
				return data;
			}
			else
			{
				return null;
			}
		}
	}
}