Microsoft Certified Solutions Developer (MCSD) Certification Practice Test

To obtain the constructors of a DataTable instance using Reflection, which method should be called?

1. GetConstructors

2. GetMethods

3. GetProperties

4. GetFields

The correct answer is: GetConstructors

The method that should be called to obtain the constructors of a DataTable instance using Reflection is GetConstructors. This method is specifically designed to retrieve an array of ConstructorInfo objects, which represent all the constructors defined for a particular type. When working with Reflection in .NET, each of the methods has a specific purpose. GetConstructors will give you access to the constructor signatures and allow you to create instances of the DataTable class dynamically, which is crucial when you need to instantiate types at runtime where the type may not be known at compile time. The other methods serve different functions: GetMethods provides information about the public methods, GetProperties retrieves the properties of the DataTable, and GetFields retrieves the public fields. Since the question specifically asks for constructors, using GetConstructors is the correct choice for obtaining that specific type of information.