You are developing a Windows Communication Foundation (WCF) service that allows customers to update financial data. The service contract is defined as follows. (Line numbers are included for reference only.) You need to ensure that the service is invoked within a transaction. What should you do?

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B. Replace line 01 with the following code

Answer

A. Replace line 01 with the following code

Answer

C. Call the Invoke method of the form and supply a delegate.

Answer

D. Call the BeginInvoke method of the form and supply a delegate.

You are developing a Windows Communication Foundation (WCF) service that allows customers to update financial data. The service contract is defined as follows. (Line numbers are included for…

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