System.Data.SqlClient 4.9.0
About
The legacy .NET Data Provider for SQL Server. These classes provide access to versions of SQL Server and encapsulate database-specific protocols, including tabular data stream (TDS).
System.Data.SqlClient is deprecated. Please use Microsoft.Data.SqlClient instead.
Main Types
The main types provided by this library are:
- System.Data.SqlClient.SqlConnection
- System.Data.SqlClient.SqlException
- System.Data.SqlClient.SqlParameter
- System.Data.SqlDbType
- System.Data.SqlClient.SqlDataReader
- System.Data.SqlClient.SqlCommand
- System.Data.SqlClient.SqlTransaction
- System.Data.SqlClient.SqlParameterCollection
- System.Data.SqlClient.SqlClientFactory
Additional Documentation
- Introducing the new Microsoft.Data.SqlClient
- [https://techcommunity.microsoft.com/t5/sql-server-blog/announcement-system-data-sqlclient-package-is-now-deprecated/ba-p/4227205](Announcement: System.Data.SqlClient package is now deprecated)
- For conceptual information about using this namespace when programming with .NET, see SQL Server and ADO.NET.
- API reference for System.Data.SqlClient can be found in: https://learn.microsoft.com/en-us/dotnet/api/system.data.sqlclient?view=netframework-4.8.1
- API reference for Microsoft.Data.SqlClient can be found in: https://learn.microsoft.com/en-us/dotnet/api/microsoft.data.sqlclient
Related Packages
License
System.Data.SqlClient is released as open source under the MIT license.
Showing the top 20 packages that depend on System.Data.SqlClient.
| Packages | Downloads |
|---|---|
|
Dapper
A high performance Micro-ORM supporting SQL Server, MySQL, Sqlite, SqlCE, Firebird etc..
|
2 |
|
Microsoft.Windows.Compatibility
This Windows Compatibility Pack provides access to APIs that were previously available only for .NET Framework. It can be used from both .NET as well as .NET Standard.
|
2 |
|
Microsoft.Windows.Compatibility
This Windows Compatibility Pack provides access to APIs that were previously available only for .NET Framework. It can be used from both .NET Core as well as .NET Standard.
When using NuGet 3.x this package requires at least version 3.4.
|
2 |
|
Microsoft.Windows.Compatibility
This Windows Compatibility Pack provides access to APIs that were previously available only for .NET Framework. It can be used from both .NET Core as well as .NET Standard.
|
2 |
.NET Framework 4.6.2
- No dependencies.
.NET 6.0
- runtime.native.System.Data.SqlClient.sni (>= 4.4.0)
.NET 8.0
- runtime.native.System.Data.SqlClient.sni (>= 4.4.0)
.NET Standard 2.0
- No dependencies.
| Version | Downloads | Last updated |
|---|---|---|
| 4.9.0 | 1 | 12/20/2025 |
| 4.8.6 | 1 | 12/20/2025 |
| 4.8.5 | 1 | 12/20/2025 |
| 4.8.4 | 1 | 12/20/2025 |
| 4.8.3 | 1 | 12/20/2025 |
| 4.8.2 | 1 | 12/20/2025 |
| 4.8.1 | 1 | 12/20/2025 |
| 4.8.0 | 2 | 12/20/2025 |
| 4.8.0-preview3.19551.4 | 1 | 12/21/2025 |
| 4.8.0-preview2.19523.17 | 1 | 12/21/2025 |
| 4.8.0-preview1.19504.10 | 0 | 10/15/2019 |
| 4.7.0 | 2 | 12/20/2025 |
| 4.7.0-rc1.19456.4 | 1 | 12/21/2025 |
| 4.7.0-preview9.19421.4 | 0 | 09/04/2019 |
| 4.7.0-preview9.19416.11 | 0 | 09/04/2019 |
| 4.7.0-preview8.19405.3 | 1 | 12/21/2025 |
| 4.7.0-preview7.19362.9 | 1 | 12/21/2025 |
| 4.7.0-preview6.19303.8 | 1 | 12/21/2025 |
| 4.7.0-preview6.19264.9 | 1 | 12/21/2025 |
| 4.7.0-preview5.19224.8 | 1 | 12/21/2025 |
| 4.7.0-preview4.19212.13 | 1 | 12/21/2025 |
| 4.7.0-preview3.19128.7 | 1 | 12/21/2025 |
| 4.7.0-preview.19073.11 | 0 | 01/29/2019 |
| 4.7.0-preview.18571.3 | 0 | 12/03/2018 |
| 4.6.1 | 1 | 12/20/2025 |
| 4.6.0 | 1 | 12/20/2025 |
| 4.6.0-preview3-27014-02 | 1 | 12/21/2025 |
| 4.6.0-preview2-26905-02 | 1 | 12/21/2025 |
| 4.5.3 | 1 | 12/20/2025 |
| 4.5.1 | 1 | 12/20/2025 |
| 4.5.0 | 1 | 12/20/2025 |
| 4.5.0-rc1 | 0 | 05/06/2018 |
| 4.5.0-preview2-26406-04 | 1 | 12/18/2025 |
| 4.5.0-preview1-26216-02 | 1 | 12/21/2025 |
| 4.4.3 | 2 | 12/20/2025 |
| 4.4.2 | 1 | 12/20/2025 |
| 4.4.1 | 1 | 12/20/2025 |
| 4.4.0 | 1 | 12/20/2025 |
| 4.4.0-preview2-25405-01 | 1 | 12/21/2025 |
| 4.4.0-preview1-25305-02 | 1 | 12/21/2025 |
| 4.3.1 | 1 | 12/20/2025 |
| 4.3.0 | 1 | 12/20/2025 |
| 4.3.0-preview1-24530-04 | 1 | 12/21/2025 |
| 4.1.0 | 1 | 12/20/2025 |
| 4.1.0-rc2-24027 | 1 | 12/21/2025 |
| 4.0.0-beta-23516 | 0 | 11/18/2015 |
| 4.0.0-beta-23409 | 1 | 12/20/2025 |
| 4.0.0-beta-23225 | 1 | 12/20/2025 |
| 4.0.0-beta-23123 | 1 | 12/20/2025 |
| 4.0.0-beta-23109 | 1 | 12/20/2025 |
| 4.0.0-beta-23019 | 1 | 12/20/2025 |
| 4.0.0-beta-22816 | 0 | 04/24/2015 |
| 4.0.0-beta-22605 | 1 | 12/20/2025 |
| 1.0.0-beta2 | 0 | 01/16/2015 |
| 1.0.0-beta1 | 0 | 11/11/2014 |