System.Data.SqlClient 4.9.1

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

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
FreeSql.Provider.SqlServer
FreeSql 数据库实现,基于 SqlServer 2005+,并根据版本适配分页方法:row_number 或 offset fetch next
39
Serilog.Exceptions
Log exception details and custom properties that are not output in Exception.ToString().
29
FreeSql.Provider.SqlServer
FreeSql 数据库实现,基于 SqlServer 2005+,并根据版本适配分页方法:row_number 或 offset fetch next
29
Serilog.Exceptions
Log exception details and custom properties that are not output in Exception.ToString().
27
Serilog.Exceptions
Log exception details and custom properties that are not output in Exception.ToString().
26
FreeSql.Provider.SqlServer
FreeSql 数据库实现,基于 SqlServer 2005+,并根据版本适配分页方法:row_number 或 offset fetch next
24
Microsoft.AspNetCore.App
Provides a default set of APIs for building an ASP.NET Core application. This package requires the ASP.NET Core runtime. This runtime is installed by the .NET Core SDK, or can be acquired separately using installers available at https://aka.ms/dotnet-download.
23
Microsoft.AspNetCore.All
Provides a default set of APIs for building an ASP.NET Core application, and also includes API for third-party integrations with ASP.NET Core. This package requires the ASP.NET Core runtime. This runtime is installed by the .NET Core SDK, or can be acquired separately using installers available at https://aka.ms/dotnet-download.
23
Microsoft.AspNetCore.App
Provides a default set of APIs for building an ASP.NET Core application. This package requires the ASP.NET Core runtime. This runtime is installed by the .NET Core SDK, or can be acquired separately using installers available at https://aka.ms/dotnet-download.
22
Microsoft.AspNetCore.All
Provides a default set of APIs for building an ASP.NET Core application, and also includes API for third-party integrations with ASP.NET Core. This package requires the ASP.NET Core runtime. This runtime is installed by the .NET Core SDK, or can be acquired separately using installers available at https://aka.ms/dotnet-download.
22
Microsoft.AspNetCore.App
Provides a default set of APIs for building an ASP.NET Core application. This package requires the ASP.NET Core runtime. This runtime is installed by the .NET Core SDK, or can be acquired separately using installers available at https://aka.ms/dotnet-download.
21
FreeSql.Provider.SqlServer
FreeSql 数据库实现,基于 SqlServer 2005+,并根据版本适配分页方法:row_number 或 offset fetch next
21

.NET Framework 4.6.2

  • No dependencies.

.NET 6.0

.NET 8.0

.NET Standard 2.0

  • No dependencies.

Version Downloads Last updated
4.9.1 4 2/18/2026
4.9.0 6 6/11/2025
4.8.6 6 6/16/2025
4.8.5 5 6/18/2025
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4.8.3 8 6/16/2025
4.8.2 7 6/18/2025
4.8.1 6 6/16/2025
4.8.0 6 6/18/2025
4.8.0-preview3.19551.4 6 6/12/2025
4.8.0-preview2.19523.17 6 6/12/2025
4.8.0-preview1.19504.10 5 6/12/2025
4.7.0 6 6/8/2025
4.7.0-rc1.19456.4 5 6/12/2025
4.7.0-preview9.19421.4 5 6/16/2025
4.7.0-preview9.19416.11 6 6/18/2025
4.7.0-preview8.19405.3 6 7/24/2025
4.7.0-preview7.19362.9 6 6/12/2025
4.7.0-preview6.19303.8 5 6/12/2025
4.7.0-preview6.19264.9 6 6/13/2025
4.7.0-preview5.19224.8 5 6/12/2025
4.7.0-preview4.19212.13 7 6/12/2025
4.7.0-preview3.19128.7 4 6/12/2025
4.7.0-preview.19073.11 6 6/12/2025
4.7.0-preview.18571.3 17 6/12/2025
4.6.1 6 6/16/2025
4.6.0 7 6/16/2025
4.6.0-preview3-27014-02 3 12/13/2025
4.6.0-preview2-26905-02 7 6/12/2025
4.5.3 6 6/17/2025
4.5.1 7 6/16/2025
4.5.0 5 6/17/2025
4.5.0-rc1 4 7/4/2025
4.5.0-preview2-26406-04 8 6/17/2025
4.5.0-preview1-26216-02 2 9/24/2025
4.4.3 5 6/18/2025
4.4.2 10 6/16/2025
4.4.1 4 6/18/2025
4.4.0 5 6/18/2025
4.4.0-preview2-25405-01 6 9/13/2025
4.4.0-preview1-25305-02 6 9/24/2025
4.3.1 6 6/16/2025
4.3.0 4 6/18/2025
4.3.0-preview1-24530-04 5 6/6/2025
4.1.0 6 6/18/2025
4.1.0-rc2-24027 4 6/16/2025
4.0.0-beta-23516 5 6/17/2025
4.0.0-beta-23409 10 6/6/2025
4.0.0-beta-23225 6 6/17/2025
4.0.0-beta-23123 6 6/26/2025
4.0.0-beta-23109 6 6/17/2025
4.0.0-beta-23019 6 6/18/2025
4.0.0-beta-22816 4 6/16/2025
4.0.0-beta-22605 3 6/26/2025
1.0.0-beta2 6 6/18/2025
1.0.0-beta1 5 6/29/2025