You are developing an ASP.NET applications that calls Web service to retrieve inventory information. You know the URL of the Web service. You need to invoke the methods of this Web service within your Web application. How can you generate the client-side proxy classes so that you can use the Web methods?
A. Use the Web service discovery tool.
B. Copy the .ASMX file from the Web server to the ASP.NET application project.
C. Copy the build output from the Web server to the ASP.NET application project.
D. Set a Web reference to point to the Web service.
