wcfservice

How to consume a wcf service hosted on a remote machine?

Hi All I have written a wcf service and hosted it on windows service. This windows service is started and running on a machine say 'A'. Now I wanted to write a client application on another machine say 'B' and wanted to consume the wcf servie on machine 'A'. For this when I tried to add Service reference, I have given the endpoint addre...

How to get a Sharepoint site Data Context information from a dll, which is called from a WCF Service?

Hello people, I developed a library in VS 2010 that uses classes generated by SPMETAL in order to access information available at a Sharepoint site. This library may get called from two places: A console application (merely for testing purposes, but the problem is here) A webpart inside Sharepoint itself. Now, whenever I call the li...

Strange exception on WCF endpoint launch

Hey there! I am getting the following exception and don't have much clue about what and how it should be fixed: The operation 'ShowData' could not be loaded because it has a parameter or return type of type System.ServiceModel.Channels.Message or a type that has MessageContractAttribute and other parameters of different types. When usi...

Getting Gibberish instead of Hello World from a service with webHttpBinding

Here is a trivial example that is supposed to return "Hello World" string. However, a browser displays something like SGVsbG8gV29ybGQ=. Which is the right way to return plain text from an oldskul-style service? please know that: I can't return a string: three Unicode characters will be automatically prepended and the legacy HTTP clien...

How to load data to Silverlight? Json or WCF Service?

This question came to my head while working with a map in silverlight that displays some harbours, and after mouse_overing the harbour, its data gets displayed in the screen. I did it and now it works, using WCF service, but I get some big delays. My friend told me that maybe Json could handle better with this delay, but I have no idea. ...

Configuring a simple WCF Service Endpoint in a ASP.NET MVC 2.0

I'm building a simple ASP.NET MVC 2.0 web application. I'd like to serve up a AtomPub endpoint so that I can publish/update content from Windows Live Writer. I originally went down the path of implementing the AtomPub protocol as an Controller with a set of custom ActionResults. That worked until I tried to get authentication working, wh...

How can I set the port for an iis hosted wcf svc?

Hi All, I have a IIS hosted service http://localhost/someProject/services/myservice.svc . Is it possible to somehow make say http://locahost:9705 point to it? How do I set this up? It seems to be pretty straightforward with a Windows Service hosted WCF service, but I cannot figure how to accomplish this when using .svc files and IIS. In ...

Not able to create proxy class from wsdl file

Hi all, I have been given a xxxxx.wsdl file and some xsd files.I have to create the proxy class. I have tried wsdl command and svcutil but not able to create it. in case of wsdl command "wsdl xxxxx.wsdl" it gives error "Element message names xxxxxxxportypefrom namespace yyyyyy is missing " in case of svcutil command "svcutil xxxxx.wsd...

WCF ClientViaBehavior Alternatives

Hello I am looking for way to not require a client to use the ClientViaBehavior. I have built a routing service and do not want have to provide the client the address manually. Any ideas would be appreciated. Thanks ...

WCF Ajax Service Returns Blank to jQuery's Requests

I have an ASP.NET Ajax service set up using WebSriptServiceHostFactory in the *.svc file - no web.config configuration. In the contract, I'm starting with two very simple methods: [OperationContract()] [WebGet] string GetPersonalInformationLabel(); [OperationContract()] [WebGet] string GetCorporateInformationLa...

WCF CustomBinding + Duplex+ BinaryEncoding + No Security Cannot Call back

I have a Duplex service (Singleton), which used to work with WSDualHttpBinding, and after changing it to duplex CustomBinding to support BinaryEncoding for performance reasons, it stopped working. The problem traces to GetCallBackChannel always returns with same HashCode (within that service instance) for all the client requests and the ...

Why am I not getting the soap header?

Why is this so hard in WCF 4.0 I add a custom header in my client Authorization: 18732818 gfdsgShoyh3sfayql6jWCRc= so that my header looks like the following GET http://HOSTNAME/Public/Xml/SyncReply/TestClearUsername?Id=1 HTTP/1.1 Authorization: 18732818 gfdsgShoyh3sfayql6jWCRc= Host: HOSTNAME Connection: Keep-Aliv...

How to keep the username and password in WCF Rest Service

I am working on the WCF REST Service project. The WCF REST will be set on the IIS. The service is to update the database in SQL server. The updated store procedure will get the login username and look for the id on the user table as a parameter. Therefore, the connection to SQL server must use the client’s username and password; I am no...

Calling WCF in SilverLight compoment

The following code throws an exception which I have no idea what goes wrong , can anyone shed some light on this one please? RestAPIDataContext ctx = GetContext(); var songsQuery = (from item in ctx.Songs where item.Artist.Title == "George Michael" select...

Web Service - PrincipalPermission(SecurityAction.Demand

For proof of concept and learning purposes, I'm trying to do the most simple possible use of SecurityAction.Demand as follows: [PrincipalPermission(SecurityAction.Demand, Role = @"MyDomain\MyGroup")] public string GetData(int value) { return string.Format("You entered: {0}", value); } I wrote a console test program, and I'm getti...

How to setup WCF with wsHttpBinding, Transport Security with x509 certificate behind a load balancer (F5)

I'm having a difficult time setting up this WCF Service with wsHttpBinding, Transport Security, x509 and, the key part, the Load Balancer (F5). This all works without a problem in our Dev environment but as soon as I put it behind the F5 it fails giving me this message: System.ServiceModel.Security.SecurityNegotiationException: Could n...

How to determine an attachment is there or not in WCF service when an user send a mail(either simple text mail or an attachment email)

How to determine an attachment is there or not in WCF service when an user send a mail(either simple text mail or an attachment email) using C#.NET ...

WCF Custom BehaviorExtension Error: An extension "silverlightFaults" already appears in extension collection. Extension names must be unique.

WCF Custom BehaviorExtension Error: An extension "silverlightFaults" already appears in extension collection. Extension names must be unique. I have a custom behaviorExtension for a silverlight project which helps in communicating faultcontract messages to client. This error occurs when the service is called. Works good in Dev and Q...

WCF service show exception when securing service with wshttpbinding and username authentication

I have created a workflowservice in .net 4.0 I am trying to secure this (WCF) service and used the following link to see how this is done. I followed the instructions, however when a define a servicebehavior everthing works fine. The configuration is like this: <behaviors> <serviceBehaviors> <behavior> <servi...

trouble in converting Generic List coming from a WCF Service to a DataTable

I am confused on how can I use generic methods to parse generic list into datatable/dataset. My setup: 1. I have a class Customers defined in WCF Service Library. namespace Wcf.Sample.ServiceLibrary { public class Customers { public string ID = string.Empty; public string CompanyName = string.Empty; publi...