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
- Introducing the new Microsoft.Data.SqlClient
- 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 |
|---|---|
|
Microsoft.PowerShell.SDK
Runtime for hosting PowerShell
|
15 |
|
Jint
Javascript interpreter for .NET which provides full ECMA 5.1 compliance.
|
15 |
|
EFCore.BulkExtensions
EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete and Read (CRUD) operations on SQL Server and SQLite
|
15 |
|
FastMember
In .NET reflection is slow... well, kinda slow. If you need access to the members of an arbitrary type, with the type and member-names known only at runtime - then it is frankly hard (especially for DLR types). This library makes such access easy and fast.
|
15 |
|
Microsoft.Extensions.Caching.SqlServer
Distributed cache implementation of Microsoft.Extensions.Caching.Distributed.IDistributedCache using Microsoft SQL Server.
This package was built from the source at:
https://github.com/aspnet/Caching/tree/d229b4cc24713b5d79cd2602ac0d3ebfb3e749c4
|
15 |
|
EntityFramework
Entity Framework 6 (EF6) is a tried and tested object-relational mapper for .NET with many years of feature development and stabilization.
|
15 |
|
Quartz
Quartz Scheduling Framework for .NET
|
15 |
|
Microsoft.PowerShell.SDK
Runtime for hosting PowerShell
|
14 |
|
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.
|
14 |
.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 |
|---|---|---|
| 4.9.1 | 8 | 21.02.2026 |
| 4.9.0 | 17 | 30.12.2024 |
| 4.8.6 | 12 | 20.02.2025 |
| 4.8.5 | 15 | 20.02.2025 |
| 4.8.4 | 15 | 20.02.2025 |
| 4.8.3 | 15 | 20.02.2025 |
| 4.8.2 | 15 | 20.02.2025 |
| 4.8.1 | 17 | 25.11.2024 |
| 4.8.0 | 13 | 20.02.2025 |
| 4.8.0-preview3.19551.4 | 10 | 10.07.2025 |
| 4.8.0-preview2.19523.17 | 11 | 20.02.2025 |
| 4.8.0-preview1.19504.10 | 12 | 20.02.2025 |
| 4.7.0 | 15 | 20.02.2025 |
| 4.7.0-rc1.19456.4 | 11 | 20.02.2025 |
| 4.7.0-preview9.19421.4 | 11 | 04.06.2025 |
| 4.7.0-preview9.19416.11 | 12 | 20.02.2025 |
| 4.7.0-preview8.19405.3 | 11 | 10.07.2025 |
| 4.7.0-preview7.19362.9 | 10 | 10.07.2025 |
| 4.7.0-preview6.19303.8 | 10 | 10.07.2025 |
| 4.7.0-preview6.19264.9 | 10 | 10.07.2025 |
| 4.7.0-preview5.19224.8 | 10 | 10.07.2025 |
| 4.7.0-preview4.19212.13 | 12 | 20.02.2025 |
| 4.7.0-preview3.19128.7 | 10 | 10.07.2025 |
| 4.7.0-preview.19073.11 | 12 | 20.02.2025 |
| 4.7.0-preview.18571.3 | 11 | 20.02.2025 |
| 4.6.1 | 14 | 20.02.2025 |
| 4.6.0 | 15 | 20.02.2025 |
| 4.6.0-preview3-27014-02 | 11 | 20.02.2025 |
| 4.6.0-preview2-26905-02 | 11 | 20.02.2025 |
| 4.5.3 | 14 | 20.02.2025 |
| 4.5.1 | 15 | 20.02.2025 |
| 4.5.0 | 15 | 20.02.2025 |
| 4.5.0-rc1 | 11 | 20.02.2025 |
| 4.5.0-preview2-26406-04 | 11 | 20.02.2025 |
| 4.5.0-preview1-26216-02 | 11 | 20.02.2025 |
| 4.4.3 | 15 | 20.02.2025 |
| 4.4.2 | 15 | 20.02.2025 |
| 4.4.1 | 16 | 20.02.2025 |
| 4.4.0 | 16 | 20.02.2025 |
| 4.4.0-preview2-25405-01 | 11 | 20.02.2025 |
| 4.4.0-preview1-25305-02 | 11 | 20.02.2025 |
| 4.3.1 | 15 | 20.02.2025 |
| 4.3.0 | 15 | 20.02.2025 |
| 4.3.0-preview1-24530-04 | 10 | 20.02.2025 |
| 4.1.0 | 15 | 20.02.2025 |
| 4.1.0-rc2-24027 | 10 | 10.07.2025 |
| 4.0.0-beta-23516 | 10 | 20.02.2025 |
| 4.0.0-beta-23409 | 12 | 20.02.2025 |
| 4.0.0-beta-23225 | 12 | 20.02.2025 |
| 4.0.0-beta-23123 | 12 | 20.02.2025 |
| 4.0.0-beta-23109 | 12 | 20.02.2025 |
| 4.0.0-beta-23019 | 12 | 20.02.2025 |
| 4.0.0-beta-22816 | 11 | 20.02.2025 |
| 4.0.0-beta-22605 | 12 | 20.02.2025 |
| 1.0.0-beta2 | 12 | 20.02.2025 |
| 1.0.0-beta1 | 12 | 20.02.2025 |