You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
The application uses a set of general-purpose utility classes that implement business logic. These classes are modified frequently. 
You need to ensure that the application is recompiled automatically when a utility class is modified. 
What should you do？（）

You create a Microsoft ASP.NET Web application by using the Microsoft .NET Framework version 3.5. 
The Web site uses C# as the programming language. You plan to add a code file written in Microsoft VB.NET to the application. This code segment will not be converted to C#. You add the followingcode fragment to the Web.config file of the application. 
<compilation debug="false">
<codeSubDirectories> 
<add directoryName="VBCode"/> 
</codeSubDirectories> 
</compilation> 
You need to ensure that the following requirements are met： &iexcl；¤The existing VB.NET file can be used in the Web application &iexcl；¤The file can be modified and compiled at run tim 
What should you do？（）