What are basic methods of Data adapter?

What are basic methods of Data adapter?

There are three most commonly used methods of Data adapter:
Fill: -

Executes the Select Command to fill the Dataset object with data from the data source. It an also be used to update (refresh) an existing table in a Dataset with changes made to the data in the original data source if there is a primary key in the table in the Dataset.

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What are basic methods of Data adapter?

frequently asked OOPS Interview Question and Answer

frequently asked OOPS Interview Question and Answer
What is object-oriented programming (OOP)?
OOP is a technique to develop logical modules, such as classes that contain properties, methods, fields, and events. An object is created in the program to represent a class. Therefore, an object encapsulates all the features, such as data and behavior that are associated to a class. OOP allows developers to develop modular programs and assemble them as software. Objects are used to access data and behaviors of different software modules, such as classes, namespaces, and sharable assemblies. .NET Framework supports only OOP languages, such as Visual Basic .NET, Visual C#, and Visual C++.

How can prevent your class to be inherited further?
You can prevent a class from being inherited further by defining it with the sealed keyword.

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frequently asked OOPS Interview Question and Answer