How to add web service in c# windows application

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Add Comment. Disclaimer : The code samples and API available at www. You are free to use it for commercial as well as non-commercial use at your own risk, but you cannot use it for posting on blogs or other tutorial websites similar to www. Then select ASP. Change the name of the default Web service that is created from Service1. Define methods that encapsulate the functionality of your service. Each method that will be exposed from the service must be flagged with a WebMethod attribute in front of it.

Without this attribute, the method will not be exposed from the service. Not every method needs to have the WebMethod attribute. It's useful to hide some implementation details called by public web service methods or for the case in which the WebService class is also used in local applications. A local application can use any public class, but only WebMethod methods will be remotely accessible as web services. Browse to the MathService.

The ASP. This page also enables you to test different web service methods. We have added the Web Service reference into our Windows application. Double-click on the button that we placed on the Windows Forms form. Now write the following code in the button click to create the object of the Web Service class:. In the code above, I have created the object of Web Service class named "objservice" followed by the Web reference name "localhostservice" and Web Service class "webservice" , I hope you understand how to create the object of the Web Service class.

In the code above, I first created the object of the Web Service class named "objservice" followed by Web reference name "localhostservice" and Web Service class "webservice".

Then I declared the three integer variables "day", "month" and "year" to store the values provided by the user as input from the Textbox1, Textbox2 and Textbox3. Now, in the next step, as you know our new Web Service method takes three parameters, so I ed the three input parameters "day", "month" and "year" to the Web Service method "converttodaysweb". Then I declared another integer variable, "days", to store the values returned by the Web Service method "converttodaysweb".

And finally I displayed the values returned by the Web Service method "converttodaysweb" on the Messagebox using the variable "days" because, as you know, we have stored the returned values of the method into the variable days, so the final result will be stored in the variable days.

Now, run the ASP. Net Windows application and provide the input of day, month and year. I will enter my Date of Birth and then I will click on the "Calculate" button, it will show the output as in the following:.

In the preceding screen, you see that currently, I am days old, that means that for the last days, I have been on this earth. I hope that beginners as well as students understand the creation and consumption of Web Services in ASP.

Net Windows Applications using my two articles. If you have any suggestion regarding this articles then please contact me. Student suggestions are also welcomed. View All. Vithal Wadje Updated date Oct 03, Give the project a name, such as "Consumingwebservice" or another as you wish and specify the location.