Getting mime type from system Registry Editor by using c# .Net

Sample web app that uses a WCF Service

A sample web application that consumes the my previous sample wcf service.

• Open visual studio File --> New Web Site and name it as yours choice. It will create empty web site like this.

• Right click on solution and select add new item.

• Select web form and name it as CalculatorClient

• Add this code in .aspx page.

• Generate the button click events for above four buttons.

• Now add the service reference to the web app as shown.

• It leads you to a window which asking address for web reference. 

• The address is nothing but our previous wcf service. Now run wcf service application i.e. my previous post then you will get a window with methods of service as shown then right click and copy the address as shown.

• Then paste that address in address bar and name it as CalculatorService then click on Go next Ok as shown. 

• Then service will be added to the solution as shown.

• Then following lines of code automatically added to the web.config automatically the code as shown.It contains bindings and end points for the service.

• Then write the following code in aspx.cs page.

• Then run the application you will check all the methods of the service by using this app.

• Note if the wcf service application stopped then our web app throws an exception.

• If we click on stop and then use web application then it throws a error like this.

Note: Service has to be run continuously other wise we will get above error in all applications which uses the  service.

Sample WCF Service

• Open VS10 and select new project.

• Select  WCF Service Application and  name it as SampleCalculator

• Then solution explorer will created with following default files like IService1.cs and Service1.svc

• Delete those files and right click on solution explorer--> Add New Item--> Select Wcf Service template and name it as Calculator.

• Then two files created in Solution Explorer i.e. ICalculator.cs(ServiceContract) and Calculator.svc is a service file which is having inheritance from  ICalculator.cs

• Then write the following in ICalculator.cs(ServiceContract)

• Then go to Calculator.svc file and implement ICalculator interface as shown.

• This will create following method definitions in  Calculator.svc file.

• Then modify method definitions as shown.

• Then our WCF Service is ready to run, press F5 or Run button this will lead you to the following screen.

• Then our service ready to check how its working, all the methods we wrote in service are visible here as shown.

• Then double click on any method which you want test. I'm going for Add() method. After double click on Add() method we will get method test screen as shown.

• You can check service by giving values of "a" and "b" in [Request Pane] and click on invoke you will get return value in [Response Pane].

This is WCF Service. In my next post i will try to explain how to consume this Service by using a Web App.