A Test WCF Service without anything of config.

Firstly .  I am a fresh man of WCF . Maybe something i done looks like easy for you .but if you have any comments for me . i will be appreciated for that . thank u .

Recently when i was writing something simple enough WCF server testing program.

in my console app. firstly i had to add system.ServiceModel.dll of .net 4.0 in my computer system like all the others wcf app.

and i add code shown blow in the main method.

static  void Main( string[] args)
        {
            ServiceHost host =  new ServiceHost( typeof(TestServiceImplement),
                 new Uri( " http://localhost:8010/TestServices "));
             try
            {
                 //  Open the service host to accept incoming calls
                host.Open();

                 //  The service can now be accessed.
                Console.WriteLine( " The service is ready. ");
                Console.WriteLine( " Press <ENTER> to terminate service. ");
                Console.WriteLine();
                Console.ReadLine();

                 //  Close the ServiceHostBase to shutdown the service.
                host.Close();
            }
             catch (CommunicationException commProblem)
            {
                Console.WriteLine( " There was a communication problem.  " + commProblem.Message);
                Console.Read();
            }
} 

see ? i did not add anything of configurations . let 's what would be happen.

... 

the console wrote the message like this :

"The service is ready." 

"Press <ENTER> to terminate service." 

well . it seems this kind of WCF service without any configurations works .

but . if you access the base uri defined in the main in web browser .

the wcf will show you a message that  inform you can not get the metadata from the service you consumed.

 

so. what are u going to do with a WCF service without metadata ? that is the problem i really want to mention. we knew even the simplest app i wrote before is working without any exception .without metadata. we don't know the detail of how to communicate message to message between the client and server.

so . we had better follow the instructions shown in the above . add service behaviors . add mex endpoint....something like that . that will make sense of the service you created.

then . i add all the stuff that need to be in app.config. also you can done it in code

<? xml version="1.0" encoding="utf-8"  ?>
   < configuration >
     < system.serviceModel >
       < services >
         <!--  注意: 服务名称必须与服务实现的配置名称相匹配。 如果name配置错误那么也会引起无法获取元数据，当然服务还是能启动 -->
         < service  name ="testWCFInConfig1.TestServiceImplement"  behaviorConfiguration ="MyServiceTypeBehaviors"   >
           <!--  添加下列终结点。  -->
           <!--  注意: 服务必须有一个 http 基址以便添加此终结点。contract必须是和实际的一致，否则会启动失败，报找不到"xxx"contract  -->
           < endpoint  contract ="testWCFInConfig1.ITestService"  binding ="wsHttpBinding"  address ="Test"   />
           < endpoint  contract ="IMetadataExchange"  binding ="mexHttpBinding"  address ="mex"   />
         </ service >
       </ services >
       < behaviors >
         < serviceBehaviors >
           < behavior  name ="MyServiceTypeBehaviors"   >
             <!--  将下列元素添加到服务行为配置中。  -->
             < serviceMetadata  httpGetEnabled ="true"   />
           </ behavior >
         </ serviceBehaviors >
       </ behaviors >
     </ system.serviceModel >
</ configuration > 

after configuration. access the WCF in browser again . everything is fine now.