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An exception is any error condition or unexpected behavior encountered by an executing program.Exceptions can occur due to a number of reasons such as fault in your code, operating system resources not being available, unexpected conditions in the common language runtime, and so on.While your application can recover from some of these conditions, most of the runtime exceptions are irrecoverable.In that case, you need an effective way of handling those exceptions and informing the callers of the exception of the same. NET Web service is provided by the try...catch...finally statement.Because Web services provide a platform-independent of way of leveraging a specific functionality, the exceptions that occur in the Web Services must also be communicated in a platform-independent manner.To accomplish this, you need to make sure that the exceptions raised from the Web services are compliant with the SOAP specification.In this article, we will understand how to raise exceptions from a Web service by using the Soap Exception object that provides an industry-standard way of representing a SOAP Fault.We will also see how to handle this exception from the Web service consumer application.
The catch keyword precedes a block of exception handling code.
The finally keyword precedes a block of code that will always be executed after handling the exceptions.
Web Services are a relatively new way to achieve distributed computing.
In distributed computing, applications are designed as services that run on a server.
Clients access these services through a programmable interface.