What is SqlDataAdapter and DataSet?
SqlDataAdapter is a part of the ADO.NET Data Provider and it resides in the System. Data. SqlClient namespace. SqlDataAdapter provides the communication between the Dataset and the SQL database. We can use SqlDataAdapter Object in combination with Dataset Object.
What is DataSet in MVC?
A DataSet is a container for one or more DataTable objects that contain the data you retrieve from the database. We can set up Data Relations between these tables within the DataSet. The DataAdapter Object allows us to populate DataTables in a DataSet.
What is the difference between dataset and DataReader in ASP NET?
Asp.net developer uses DataSet and DataReader to fetch data from the data source while developing asp.net application. But most of them don’t know exactly what are the main difference between DataSet and DataReader and what to use and when to use out of these two.
What is the difference between A DataReader and a DataView?
Quickly, a DataReader is a forward-only iterator over a set of results. a DataSet represents a set of DataTable objects. a DataAdapter is a kind of “pipe” that funnels data from a DB engine into a DataSet. a DataView is like a virtual subset of a DataTable.
What is the use of DataReader in SQL Server?
DataReader is used to retrieve read-only and forward-only data from a database. It read only one row at a time and read only forward, cannot read backward/random. DataReader cannot update/manipulate data back to database. It retrieve data from single table. As it is connected architecture, data is available as long as the connection exists.
What is dataset in SQL Server?
DataSet The DataSet is a in-memory representation of data. It can be used with multiple data sources. That is A single DataSet can hold the data from different data sources holdng data from different databases/tables. The DataSet represents a complete set of data including related tables, constraints, and relationships among the tables.