Which method must be called on the Data Adapter control to populate your created dataset ?
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Answer: A. Fill( )
Explanation
The Fill() method must be called on the DataAdapter control to populate datasets with database records. It executes the underlying database command and loads retrieved results into memory data tables. The correct option correctly identifies Fill() as the dataset population method. DataAdapters act as bridges between connected database commands and disconnected in-memory datasets. Disconnected data architectures allow applications to query databases, close connections, and manipulate data locally. Populating datasets enables data-bound controls to display records without maintaining open database connections.
Enterprise data layers use data adapters to fetch bulk lookup records for client-side caching. Managing database connections efficiently improves overall web application performance and scalability. Understanding ADO.NET data components is essential for maintaining legacy .NET database applications. Read() is used by data readers for sequential forward-only data streaming rather than populating datasets. ExecuteQuery() is not a standard data adapter method for populating disconnected dataset containers. None of these is incorrect because the Fill() method is the standard mechanism for data adapters.
- Subject
- Computer Science
- Category
- Software Engineering
- Topic
- —
- Difficulty
- medium
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