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Session management in WCF service - client & server

Hi Folks, I got the following email from one of my blog readers, here is his email: " Hi.. Marafacs, I have a problem about WCF chat based on client-server. How to make a deal between server and client? So server can send message, show active client...

Posted to Moustafa Arafa Blog by on Tue, Oct 20 2009
Filed under: Filed under: C#, WCF
Entity Framework: the productivity way

One of the best points with Entity Framework is the developer productivity gain. If you associate EF with the T4 template code generation, this gain explodes. Imagine that we want a WCF service which exposes some data. For each entity type, you probably want a Get method which returns the entities, perhaps...

Posted to Matthieu MEZIL by Matthieu MEZIL on Tue, Oct 20 2009
Filed under: Filed under: .Net, Entity Framework (EF), Entity Data Model (EDM), WCF, T4
Nederlandse CodeCamp 2009

Op 21 november 2009 organiseren de SDN , Stichting dotNed en VBcentral samen het derde Nederlandse Code Camp . Dit is een dag lang met code, code sharing, freaking en gezellig samenzijn. Een evenement door ontwikkelaars, voor ontwikkelaars. De regie ligt voor een belangrijk deel bij de deelnemers! Het...

Posted to The Problem Solver by Maurice on Mon, Oct 19 2009
Filed under: Filed under: .NET, Visual FoxPro, LINQ, NetFx3, Workflow, VSTO, WCF, VB, webcast, ClickOnce, WPF, Silverlight, SDN, Data Access, ASP.NET
At your service (part II) – ASMX Web Service vs WCF

Introduction Last time I demonstrated how to develop a Windows Communication Foundation (WCF) service. This time we’re going to look at the differences between a ASP.Net WebService and a WCF service. The biggest difference between them is probably that a WebService only can be activated via HTTP and...

Posted to Joacim's view on stuff by Joacim Andersson on Wed, Sep 16 2009
Filed under: Filed under: vb, visual basic, c#, wcf, asp.net, webservice
At your service (part I) – WCF tutorial in VB

Introduction In this post I’m going to do a tutorial on Windows Communication Foundation, WCF. This tutorial is divided in 4 steps: Defining the WCF data and service contracts. Implementing the WCF service contract. Creating the service-host application. Create a client application that uses the service...

Posted to Joacim's view on stuff by Joacim Andersson on Tue, Sep 15 2009
Filed under: Filed under: vb, visual basic, wcf
WCF error "No end point listening at net.pipe://server name:port/service name that could accept the message

Often, While having client and server communication via WCF, there are some errors that one get quiet frequently. I am blogging the error and resolution for the benefits of all blog readers Error : There was no endpoint listening at net.pipe://servername:portnumber/ that could accept the message.This...

Posted to dotnetpathak by on Tue, Sep 15 2009
Filed under: Filed under: WCF
Many quick updates and first XSLT sample for SharePoint – Event Management System

Okay. Life has been rolling so very fast lately. Here are a few quick updates to as quickly as possible keep everyone updated: Jan 24, 2009 – Second annual - HoustonTechFest – Presented “Building Powerful WebParts with SharePoint 2007” and “WCF for the...

Posted to David L. Walker - .NET Solution Provider by on Fri, Sep 11 2009
Filed under: Filed under: .NET 3.0, .NET, Kansas City, XSLT, TechReady, Tulsa Java, XML, SharePointSaturday, Content Management System, STLMOSSCAMP, Windows Communication Foundation, MVP Summit, TechReady9, TulsaDevelopers.NET, User Groups, training, DFW SharePoint, MVPSummit, MVP, Tulsa, TulsaCodeCamp, ADC, Content, code camp, Developers, WCF, Microsoft, Community, MOSS, SharePoint, Tulsa Java Developers Group, seminar
WF4&WCF and message correlation

In the previous blog posts, here , here and here , I demonstrated how to use WCF from WF4. This same some more about sending multiple messages to the same workflow, AKA Workflow Correlation. One of the ugly parts of Windows Workflow Foundation 3 was the message correlation part when you...

Posted to The Problem Solver by Maurice on Wed, Sep 2 2009
Filed under: Filed under: .NET, Workflow, WCF, DevCenter, WF4, VS2010
Exception when implement function overloading in WCF

Hi Folks, If you tried to develop a simple WCF function, and you tried to write in your WCF 2 overloading functions in WCF, you will not be able to deploy your serivce and the clients will get an exceptions. The solution: give Aliases to the overloaded...

Posted to Moustafa Arafa Blog by on Fri, Aug 21 2009
Filed under: Filed under: C#, WCF
Sending your own objects to a WF4 workflow

In the previous two blog posts ( here and here ) I showed how to create and expose a Windows Workflow Foundation 4 workflow via WCF and have both a workflow and a regular C# client work with it. But the parameter and return value where real simple with just a string each. So how about passing some more...

Posted to The Problem Solver by Maurice on Thu, Aug 20 2009
Filed under: Filed under: .NET, NetFx3, Workflow, WCF, DevCenter, WF4, VS2010
Using Windows Workflow Foundation 4 Receive from an non WF client

In a previous blog post I described how to use the WorkflowServiceHost and host a workflow with a Receive activity that waits for WCF messages. I also added a WF4 client that called the service and received a response. However a lot of clients out there are not going to be workflows but “regular” code...

Posted to The Problem Solver by Maurice on Wed, Aug 19 2009
Filed under: Filed under: .NET, NetFx3, Workflow, WCF, WF4, VS2010
Combined DevelopMentor instructors blog feed.

Michael Kennedy , one of the co instructors from DevelopMentor , has created a combined feed from all the blogs of the various DevelopMentor. An awesome group of people with a lot of knowledge to share. Highly recommended in you RSS reader. http://feeds.feedburner.com/DevelopmentorInstructors ...

Posted to The Problem Solver by Maurice on Wed, Aug 19 2009
Filed under: Filed under: .NET, LINQ, Workflow, WCF, DevCenter, Silverlight, Data Access, ASP.NET, VS2010
Tutorial Windows Communication Foundation (WCF) - ServiceContract & OperationContract - Attributes

ServiceContractAttribute Name and Namespace - The name and namespace are the optional attibutes. Default name is same as the contract type and namespace is http://tempuri.org . It is always recommondable to use Namespace to specify proper namespace which remove the conflict of the datatype/contract....

Posted to Abu's blog by abu on Mon, Jul 20 2009
Filed under: Filed under: WCF, .NET, .NET 3.0
RESTful WCF Service

RESTful WCF Services works by identifing the Resources & Action from Uniform Resource Identifiers (URIs). A RESTful web service is called by a unique URI to refer a resource and HTTP verb is to define actions to the resource. HTTP Method - Verb GET – Fetch PUT – Update/Insert DELETE –...

Posted to Abu's blog by abu on Wed, Jul 8 2009
Filed under: Filed under: .NET 3.5, REST, WCF
EF with WCF recent demos

I recently made a demo of WCF and EF with POCO for French ALT .NET event . Danny made a great demo for Tech Ed with EF, T4 generation template, WCF and ASP.NET MVC. I now post a new EF and WCF demo that I made this week with DAL EF entities and BLL Entities. EF4 will improve the use of EF with WCF but...

Posted to Matthieu MEZIL by Matthieu MEZIL on Fri, May 15 2009
Filed under: Filed under: Entity Framework (EF), WCF
Unit testing WCF data contract serialization.

WCF service define "data contracts" for their interfaces. These contracts are often defined in an XML schema document and used to generated WCF data contract code. This process effectively creates a .NET type that will serialize to a chunk of XML text. Depending on the operation of the WCF...

Posted to Peter Ritchie's MVP Blog by PeterRitchie on Mon, May 4 2009
Filed under: Filed under: C#, WCF
DataContractSerializer.ReadObject is easily confused.

With WCF services you need to declare contracts and generate contract classes that encapsulate those contracts. Most of the time you can simply let the framework deal with whatever it needs to do to deal with these objects. Sometimes, you need to actually see without running a service what...

Posted to Peter Ritchie's MVP Blog by PeterRitchie on Wed, Apr 29 2009
Filed under: Filed under: C#, .NET 3.5, WCF
French ALT .NET Demo

Last week, I spoke at an EF session for the french ALT .NET community. During its course, I made a WCF demo with EF POCO and a sort of LINQ provider in the client part . This provider is very simplistic (made in less than 15 minutes), isn't thread safe but is interesting for the POC and because if...

Posted to Matthieu MEZIL by Matthieu MEZIL on Tue, Apr 28 2009
Filed under: Filed under: .Net, C#, Entity Framework (EF), LINQ To Object, WCF
WCF REST Starter kit is available

Hi all, A WCF REST starter kit is available to download, this kit contains a set of .Net framework classes which help to build WCF REST-Style Services. Download link: http://www.asp.net/downloads/starter-kits/wcf-rest/ Hope this helps. Regards, Mostafa...

Posted to Moustafa Arafa Blog by on Fri, Apr 24 2009
Filed under: Filed under: C#, WCF
.NET RIA Services and data communication

I was working on an article about the .NET RIA Services and decided to fire up Fiddler to take a close look at the data actually passed around. I was sort of expecting to see a WCF REST based approach with XML messages. Turns out I was wrong, though I expect this option will be added in the future. It...

Posted to The Problem Solver by Maurice on Mon, Apr 6 2009
Filed under: Filed under: .NET, WCF, VB, Silverlight, ASP.NET

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