.NET Remoting编程简介

public class ResumeLoader : System.MarshalByRefObject 
{ 
　public ResumeLoader() 
　{ 
　 System.Console.WriteLine("New Referance Added!"); 
}
public Resume GetResumeByUserID(decimal userID) 
　{ 
return new Resume(1); 
　} 
}

using System; 
using System.Runtime; 
using System.Data.SqlClient;

namespace DotNetRemoteTest 
{ 
public class ResumeLoader : System.MarshalByRefObject 
{ 
private SqlConnection dbConnection;
public ResumeLoader() 
{ 
this.dbConnection = new System.Data.SqlClient.SqlConnection(); 
this.dbConnection.ConnectionString = 
"data source=GRIMSAADO2K;initial catalog=underground;integrated security=SSPI;pers" + 
"ist security info=True;workstation id=GRIMSAADO2K;packet size=4096"; 
/*具体的连接字符串会有所不同，这超出了本篇文章的范围。
如果不清楚如何创建一个数据库连接，请使用这一对象的另一个版本。*/ 
System.Console.WriteLine("New Referance Added!"); 
}
public Resume GetResumeByUserID(decimal userID) 
{ 
Resume resume = new Resume(); 
try 
{ 
dbConnection.Open(); 
SqlCommand cmd = new SqlCommand( 
"SELECT ResumeID, UserID, Title, 
　Body FROM Resume as theResume WHERE theResume.UserID="+ userID +"" 
, dbConnection 
); 
SqlDataReader aReader = cmd.ExecuteReader(); 
if(aReader.Read()) 
{ 
resume.ResumeID=aReader.GetDecimal(0); 
resume.UserID=aReader.GetDecimal(1); 
resume.Title=aReader.GetString(2); 
resume.Body=aReader.GetString(3); 
} 
aReader.Close(); 
dbConnection.Close(); 
} 
catch(Exception x) { resume.Title="Error:"+x; } 
return resume; 
} 
}

[Serializable] 
public class Resume 
{ 
private decimal resumeID, userID; 
private String body, title; 
public Resume(decimal resumeID) 
{ 
this.ResumeID=resumeID; 
this.UserID=1; 
this.Body="This is the default body of the resume"; 
this.Title="This is the default Title"; 
}
public decimal ResumeID 
{ 
get { return resumeID; } 
set { this.resumeID=value; } 
} 
public decimal UserID 
{ 
get { return userID; } 
set { this.userID=value; } 
} 
public String Body 
{ 
get { return body; } 
set { this.body=value;} 
} 
public String Title 
{ 
get { return title; } 
set { this.title=value; } 
}
}//RESUME对象结束
}//DotNetRemoteTest名字空间结束
<

TcpServerChannel channel = new TcpServerChannel(9932); 
ChannelServices.RegisterChannel(channel);

using System; 
using System.Runtime; 
using System.Runtime.Remoting; 
using System.Runtime.Remoting.Channels; 
using System.Runtime.Remoting.Channels.Tcp; 
using System.Data.SqlClient; 
using DotNetRemoteTest; 
namespace ResumeServerServer 
{ 
public class ResumeSuperServer 
{ 
public static void Main(String[] args) 
{ 
TcpServerChannel channel = new TcpServerChannel(9932); 
ChannelServices.RegisterChannel(channel); 
RemotingConfiguration.RegisterWellKnownServiceType(typeof(ResumeLoader), 
"ResumeLoader", WellKnownObjectMode.SingleCall); 
System.Console.WriteLine("Press Any Key"); 
System.Console.ReadLine(); 
} 
} 
}

ChannelServices.RegisterChannel(new TcpClientChannel()); 
ResumeLoader loader = (ResumeLoader)Activator.GetObject( 
typeof(ResumeLoader), "tcp://localhost:9932/ResumeLoader");

using System; 
using System.Runtime.Remoting; 
using System.Runtime.Remoting.Channels; 
using System.Runtime.Remoting.Channels.Tcp; 
using DotNetRemoteTest;
namespace ResumeClient 
{
public class ResumeClient 
{
public static void Main(string[] args) 
{ 
ChannelServices.RegisterChannel(new TcpClientChannel()); 
ResumeLoader loader = (ResumeLoader)Activator.GetObject( 
typeof(ResumeServer), "tcp://localhost:9932/ResumeLoader");
if(rs==null) 
{ Console.WriteLine("Unable to get remote referance"); } 
else 
{ 
Resume resume = loader.GetResumeByUserID(1); 
Console.WriteLine("ResumeID:"+ resume.ResumeID); 
Console.WriteLine("UserID:"+ resume.UserID); 
Console.WriteLine("Title:"+ resume.Title); 
Console.WriteLine("Body:"+ resume.Body); 
} 
Console.ReadLine();//在能够看到结果前不让窗口关闭 
}//END OF MAIN METHOD 
}//END OF ResumeClient Object 
}//END OF ResumeClientNamespace

Table Name-Resume 
ResumeID, numeric (autonumber) 
UserID, numeric 
Title, Char(30) 
Body, Text