题目内容

You work as an ASP.NET Web Application Developer for SomeCompany. The company uses Visual Studio .NET 2010 as its application development platform. You create an ASP.NET Web application using .NET Framework 4.0. You are planning to deploy the ASP.NET Web application to a production server by publishing the Web application in Release configuration. You must ensure that the connection string value in the Web.config file is updated to theconnection string value of the production server during publishing. What will you do?()

Add the following code to the Web.config file.
B. Add the following code to the Web.release.config file.
C. Add the following code to the Web.config file:
D. Add the following code to the Web.release.config file.

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You are developing an application to perform mathematical calculations. You develop a class named CalculationValues.You write a procedure named PerformCalculation that operates on an instance of the class.You need to ensure that the user interface of the application continues to respond while calculations are being performed.You need to write a code segment that calls the PerformCalculation procedure to achieve this goal.Which code segment should you use?()

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YouaredevelopingaWindowsCommunicationFoundation(WCF)servicethatcontainsthefollowingservicecontract.[ServiceContract()]publicinterfaceIPaymentService{[OperationContract()]voidRecordPayments(Personperson);}publicclassPerson{...}publicclassEmployee:Person{...}publicclassCustomer:Person{...}YouneedtoensurethatRecordPaymentscancorrectlydeserializeintoanEmployeeoraCustomerobject. Whatshouldyoudo?()

AddthefollowingKnownTypeattributetotheEmployeeclassandtotheCustomerclass.[KnownType(GetType(Person))]
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