Question

what is webservice in asp.net .

http://www.tutorialspoint.com/asp.net/asp.net_web_services.htm

http://www.c-sharpcorner.com/UploadFile/0c1bb2/converting-from-to-to-current-date-into-days-using-Asp-Net/

what is use of web service .

http://www.tutorialspoint.com/webservices/why_web_services.htm

http://www.seguetech.com/blog/2013/03/18/where-web-services-used

http://stackoverflow.com/questions/12270906/why-do-we-need-web-services-how-different-is-it-from-normal-web-applications

how to create web service in asp.net mvc 4 in visual studio 2012 .

http://www.asp.net/web-api/overview/older-versions/build-restful-apis-with-aspnet-web-api

how to implement in project .

http://www.mikesdotnetting.com/article/209/consuming-feeds-and-web-services-in-razor-web-pages

http://www.c-sharpcorner.com/UploadFile/653eb2/consuming-web-services-in-Asp-Net-mvc-5-application/

http://www.c-sharpcorner.com/UploadFile/raj1979/create-and-consume-web-api-in-mvc-4/