Microsoft® Visual Studio® 2010 Unleashed

ASP.NET Web Service Exceptions

.NET can make it easy to forget that you are calling a web service. When you deal with proxy classes, you often get used to working with a web service as if it were no different from any other method. However, this can be dangerous. Web methods are different. One big difference is the way in which you throw exceptions from a web service. The following sections explore how to throw exceptions.

Creating a Web Service Exception

Fortunately, the SOAP specification describes how an exception is thrown over the Web through this protocol. These exceptions can be business logic exceptions or those generated by .NET when processing a call. The important point is that if you wrap these exceptions appropriately, the client ...