The DataAdapter serves as a bridge between a DataSet and a data source for retrieving and saving data. The DataAdapter provides this bridge by mapping Fill, which changes the data in the DataSet to match the data in the data source, and Update, which changes the data in the data source to match the data in the DataSet.

2021年9月15日 · A DataAdapter is used to retrieve data from a data source and populate tables within a DataSet. The DataAdapter also resolves changes made to the DataSet back to the data source.

Learn how to populate a DataSet from a DataAdapter in ADO.NET, which provides a consistent relational programming model independent of the data source.

A DataAdapter is used to retrieve data from a data source and populate tables within a DataSet. The DataAdapter also resolves changes made to the DataSet back to the data source.

Adapters are used to exchange data between a data source and a dataset. In many applications, this means reading data from a database into a dataset, and then writing changed data from the dataset back to the database. However, a data adapter can move data between any source and a …

DataReader, DataSet, DataAdapter, and DataTable are four major components of ADO.NET. In this blog, I will explain the difference between a DataReader, DataSet, DataAdapter, and DataTable with code examples in C#.

What is ADO.NET SqlDataAdapter in C#? The ADO.NET SqlDataAdapter in C# bridges a DataSet or DataTable and a Data Source (SQL Server Database) to retrieve data. The SqlDataAdapter is a class that represents a set of SQL commands and a database connection. It is used to fill the DataSet or DataTable and update the data source as well.

2009年11月4日 · With a SQLDataAdapter, you are extracting the data from the database into an object that can itself be queried further, as well as performing CRUD operations on. Obviously with a stream of data SQLDataReader is MUCH faster, …

In ADO.NET, the DataAdapter acts as a bridge between a database and your application's in-memory dataset. It retrieves data using SQL commands and fills a DataSet, allowing you to work with the data disconnected from the database.

The IDataAdapter interface allows an inheriting class to implement a DataAdapter class, which represents the bridge between a data source and a DataSet. For more information about DataAdapter classes, see Populating a DataSet from a DataAdapter.