The .NET Data Provider for SQL Server describes a collection of classes used to access a SQL Server database in the managed space. Using the SqlDataAdapter, you can fill a memory-resident DataSet …

These classes provide access to versions of SQL Server and encapsulate database-specific protocols, including tabular data stream (TDS). System.Data.SqlClient is deprecated.

Aug 27, 2025 · In Windows Forms, where you usually bind database tables to Controls, you can use SqlDataAdapter and the DataSource property on the Controls. We used the System.Data.SqlClient …

Microsoft.Data.SqlClient is a .NET data provider for Microsoft SQL Server and the Azure SQL family of databases. It grew from a union of the two System.Data.SqlClient components which live …

Aug 23, 2024 · It’s now time to start the deprecation process for the System.Data.SqlClient package. We plan to take a staged process to deprecation, with the intent to align support changes and associated …

Oct 29, 2024 · The SqlClient GitHub repo has a migration cheat sheet for everything that you will need to change when migrating from System.Data.SqlClient to Microsoft.Data.SqlClient.

Jul 2, 2025 · This article is your way out, explaining how to migrate to Microsoft.Data.SqlClient for quicker and safer database access in your .NET apps. With code snippets, diagrams, and practical …

Nov 18, 2025 · Learn about the Microsoft.Data.SqlClient namespace and how it's the preferred way to connect to SQL for .NET applications.

System.Data.SqlClient (namespace) System.Data.SqlClient is the namespace for the .NET namespace for the Data Provider for SQL Server. The *.NET Framework Data Provider for SQL Server* uses a …

A SqlConnection object represents a unique session to a SQL Server data source. With a client/server database system, it is equivalent to a network connection to the server.