Create,Test and Access WCF web service in DOT NET 4.5

How to create a WCF web service using C#

Here are the steps to create a simple WCF web service in C#.

Open visual studio .net

Click on File–>New–>Project

Select C#–>WCF–>WCF service Library



For any service there should be an operation contract and operation contract attributes defined


Make the change in contract: change int to string in Iservice1.cs


Add the below code snippet to service1.cs


Testing the Web Service:

Press F5 to run the service


In the WCF Test Client form, double-click the GetData() method under IService1. The GetData tab will be displayed.

In the Request box, select the Value field and type 10.

Click the Invoke button. If a Security Warning dialog box is displayed, click OK. The result will be displayed in the Response box.


On the File menu, click Exit to close the test form

How to Access the web service:

On the File menu, point to Add and then click New Project.

In the New Project dialog box, expand the Visual Basic or Visual C# node and select Windows, and then select Windows Forms Application. Click OK to open the project.


Right-click WindowsApplication1 and click Add Service Reference. The Add Service Reference dialog box will appear.

In the Add Service Reference dialog box, click Discover.


Click Ok to add service reference.

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