What is difference between accessing WCF service via proxy and normal web request.

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C#

C#4.0

service

ASP.NET4

, +

1.) Via Creating Proxy with svcutil.exe and access their method.

ServiceClient client = null;
               string endPointAddr = ConfigurationManager.AppSettings["endpointAddress"].ToString();
               EndpointAddress endpointAddress = new EndpointAddress(endPointAddr);

               BasicHttpBinding binding = new BasicHttpBinding();
               binding.MaxBufferPoolSize = 2147483647;
               binding.MaxBufferSize = 2147483647;
               binding.MaxReceivedMessageSize = 2147483647;
               TimeSpan timespan = new TimeSpan(0, 10, 0);
               binding.UseDefaultWebProxy = true;
               binding.ReaderQuotas.MaxArrayLength = 2147483647;
               binding.ReaderQuotas.MaxStringContentLength = 2147483647;
               binding.ReaderQuotas.MaxBytesPerRead = 2147483647;
               binding.ReaderQuotas.MaxNameTableCharCount = 2147483647;
               binding.TransferMode = TransferMode.Streamed;
               binding.SendTimeout = timespan;
               binding.ReceiveTimeout = timespan;
               binding.CloseTimeout = timespan;


               EndpointAddress endpoint = new EndpointAddress(new Uri(endPointAddr));
               client = new ServiceClient(binding, endpoint);
               //System.Threading.Thread.Sleep(10000);
               if (client.State != CommunicationState.Opened)
               {
                   if (client.State != CommunicationState.Opening)
                   {
                       client.Open();
                   }
               }
               return client;

2.) Hit httprequest directly from C# code behind. like below

http://localhost:61879/Services.svc"


Please suggest me the best option which I need to use or why?.

Thanks in advance.