Create WCF Web Service in Visual Studio

Windows Communication Foundation (WCF) web services can be created in Visual Studio. Note these web services replace the old asmx web services. To create a web service in Visual Studio do the following. Create a new project in Visual Studio and select WCF Service Application: This creates the solution: Delete the existing Service1.svc and IService1.cs and add a new WCF Service: This will create these 2 files again. Note the … Continue reading Create WCF Web Service in Visual Studio

WCF Service Tcp Binding Example

In this post we will take a look at using tcp bindings in a WCF service. We will follow on from a previous post example. In our previous example, we have a WCF host that is using basicHttpBindings: Clicking Edit, we can see the different bindings available: Let’s add a new TCP binding to our app. Select New Service Endpoint: Select netTcpBinding: Add the address and contract: Save the config. … Continue reading WCF Service Tcp Binding Example

Self-Hosting a WCF Service in a Windows Console App

WCF Services can be self-hosted in a Windows console app. Here we will go through how to do this. First, create a new class library project in Visual Studio: Add a new item: Add a new WCF Service: Add some code to GetData in IService.cs: And Service1.cs: Delete any configuration files that are part of the project. We will use the configuration in our calling app. Compile the code. Now, … Continue reading Self-Hosting a WCF Service in a Windows Console App

WCF Fault Exception

In this example, we will show how to use the FaultException when catching errors in a WCF service. First, create a new WCF service: Our service will be a calculator, that will perform a divide operation. We will rename the files created so we have: Calculator.svc ICalculator.cs In ICalculator, change the code to be below. This is our service contract and operation contract: using System; using System.Collections.Generic; using System.Linq; using … Continue reading WCF Fault Exception

WCF Specify Names of Contracts

Consider a WCF service that returns some text that you entered. The service has a contract called IService1 and an operation called GetData. When we run the service in our test client, we see: The code for this is: using System; using System.Collections.Generic; using System.Linq; using System.Runtime.Serialization; using System.ServiceModel; using System.ServiceModel.Web; using System.Text; namespace Carl.TestWCF { [ServiceContract] public interface IService1 { [OperationContract] string GetData(int value); } } Let’s say we … Continue reading WCF Specify Names of Contracts

Using Fiddler with Web API

In this post, we will examine using Fiddler to send requests and receive responses from an ASP.NET Web API. I have a Web API sample that looks like the following: There are different HTTP verbs, including: GET PUT POST DELETE The Customers API is very simple – it integrates with a SQL Server table called Customers with 2 fields – CustomerId and CustomerName, with the data: Start Fiddler. We will … Continue reading Using Fiddler with Web API

HTTP Explained

HTTP stands for Hypertext Transfer Protocol, a stateless application- level protocol for distributed, collaborative, hypertext information systems. It was initiated by Tim Berners-Lee in 1989 at the European Organization for Nuclear Research (CERN). You can check out the specs for HTTP on the W3C website. The idea is that hypertext is text that contains hyperlinks to other nodes containing text, i.e. websites and web pages, with HTTP being the protocol … Continue reading HTTP Explained

Creating an OData Service for a SQL Server Database

To create an OData service for a SQL Server database, we will create a new Visual Studio ASP.NET web application: Select Empty template and check Web API: This will create: Now, add the OData NuGet packages: Add Entity Framework: Next, add a new item: Select EF Designer from database: Select the database connection, click new connection if required, and click Next. We will connect to an Azure SQL database with … Continue reading Creating an OData Service for a SQL Server Database

Introduction to Web Services

Introduction Web Services are┬ádefined as a machine to machine interaction that takes place over the world wide web. Applications and servers expose functionality and data that allows other machines to communicate with them, often through standards that have been agreed upon by organizations, corporations and the community. Previously, there had been many attempts to allow different applications to be able to talk to each other, especially for business. DCOM, EDI,┬áCORBA … Continue reading Introduction to Web Services