System.Data.dll : Free Download

Download and install System.Data.dll to fix missing or corrupted dll errors.

About System.Data.dll

The System.Data.dll is a Dynamic Link Library (DLL) file that is part of the Microsoft .NET Framework and .NET Core/.NET 5+. This library provides classes that constitute the ADO.NET architecture, which is used for connecting to and manipulating databases. ADO.NET stands for ActiveX Data Objects for .NET, and it's a set of computer software libraries included in the Microsoft .NET Framework. The System.Data.dll file contains classes that allow you to connect to data sources like SQL Server, Oracle, MySQL, SQLite, and others. It provides the underlying functionality for various database operations, such as executing queries, retrieving data, and performing transactions. The library includes classes for creating data tables, data columns, and data relationships, among other data-centric tasks.
Common namespaces within System.Data.dll include System.Data, System.Data.SqlClient, System.Data.OleDb, and others. These namespaces contain types that facilitate database operations: System.Data: Provides basic data structures like DataTable, DataRow, and DataColumn. System.Data.SqlClient: Provides classes for SQL Server-specific database operations. System.Data.OleDb: Provides classes for connecting to databases via OLE DB, a standard data access protocol. Given its role in data operations within .NET applications, System.Data.dll is crucial for applications that interact with databases. It is typically found within the .NET Framework directory in the Windows operating system, usually under Windows\Microsoft.NET\Framework (or Framework64 for 64-bit systems). If you encounter issues or errors related to System.Data.dll, the troubleshooting steps may involve: - Making sure your .NET Framework or .NET Core/.NET 5+ runtime is up-to-date. - Checking for corrupted or missing files related to the library, which might require a reinstallation or repair of the .NET runtime. - Debugging the application that is experiencing the issue to pinpoint whether the problem lies within your code or is related to the library itself. For developers, understanding error messages related to System.Data.dll often involves reviewing database queries, connection strings, or other database-related code to find issues that could be triggering the problem.
Download System.Data.dll
Article updated: Sep 27th, 2023 (DLLme + AI)
DLL research and information is supported by Artificial Intelligence and should be used as a helpful tool. However, it is important to keep in mind that this information may not be up-to-date or entirely accurate.

About System.Data.dll errors

When an application requires System.Data.dll, Windows will check the application and system folders for this .dll file. If the file is missing you may receive an error and the application may not function properly.

Windows .DLL Error Examples
This application has failed to start because System.Data.dll was not found. Re-installing the application may fix this problem.
System.Data.dll Not Found.

Possible fixes for System.Data.dll errors

To fix .dll errors, you can try a few basic steps. While some errors might need more detailed fixes, these initial steps often solve common problems.

  • Re-Install the application that requires System.Data.dll.
  • Update the application to the latest version.
  • Install all Windows updates and any available driver updates.
  • Manually download and install System.Data.dll.
You may already have this .dll file even though you are getting .dll errors. That's because the .dll file may have been moved or renamed by another application. Check to see if you already have System.Data.dll on your computer. For more information see how to search your PC for .dll files.

How to register System.Data.dll

In some cases, you may need to register the .dll file. To register the .dll file, open Command Prompt as an administrator, enter the installation folder, and run the "regsvr32" command. You'll receive a confirmation if the .dll file is successfully registered.
C:\User\Username>cd c:\windows\system32
C:\Windows\System32>regsvr32 System.Data.dll

Download System.Data.dll

Select the .dll version to download. In most cases, this would be the latest version (32/64-bit) from the appropriate company.

Showing 609/609 results. (Reset Filter)
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
Version
9.0.24.8009
Product Version
9.0.0-preview.1.24080.9+1d1bf92fcf43aa6981804dc53c5174445069c9e4
Language
0 (Unknown)
Size
23.8KB
SHA1
3e03cb2244791823301332c9b881a59d80c5178a
MD5
6587745acfafc1b1e4fea14302bf1158
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
Version
9.0.24.8009
Product Version
9.0.0-preview.1.24080.9+1d1bf92fcf43aa6981804dc53c5174445069c9e4
Language
0 (Unknown)
Size
25.2KB
SHA1
d674c562919139539d0ec65c318e56e7385ead41
MD5
7b1204efc8709cac39a286022d12c168
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
24.8KB
SHA1
e04d165c08d7fe207b518d7ce38db8a805c798c6
MD5
04727556b02dfc5a7ae9ff40da4cf7fe
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
24.8KB
SHA1
3ec99e7fdbf89334c9228032f1a0e6139b4c1c2d
MD5
0a88801eec8056fe57315debcbf7e2ec
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
24.8KB
SHA1
fd7da0370058dedd5b4216890026f4ee0ad9ab9e
MD5
293746519ae82ec5d39c36aa45860523
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
24.7KB
SHA1
ec5af94a70e52016867f9a910bb9bf71418902c4
MD5
3a5e65bce8065b189c0906f888086dd9
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
24.8KB
SHA1
5964ec233587a50c270fed01f55296b5f07c6960
MD5
46e168abf29e4be3a3fcde9f992676e5
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
24.7KB
SHA1
f8cfdf5bfdafbc06f5e40a89fc761341061a1959
MD5
cf57c3ab1ac5c2bb6930cc1b22fff6ff
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
23.3KB
SHA1
e3004e82ac0d315788517958ad3cd9c12033ed0b
MD5
cf9783e67688d36691941f6056c6b4d9
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
24.8KB
SHA1
0de96e70f0731607f66b4a76fe5a1da9b63da9d1
MD5
d9f3c83a6797680a2a99756ca85e1f00
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
24.8KB
SHA1
237e4b19e6389b9b05957c53261c2d21bf15fcf7
MD5
f2510e0a98ca2e3b37d807866b89d143
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.524.21615
Product Version
8.0.5+087e15321bb712ef6fe8b0ba6f8bd12facf92629
Language
0 (Unknown)
Size
24.8KB
SHA1
592eb915252af39a1f11180ac8495ad78a777bd2
MD5
f4a8519bfbe3cb2b4d582b80977f02dd
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.424.16909
Product Version
8.0.4+2d7eea252964e69be94cb9c847b371b23e4dd470
Language
0 (Unknown)
Size
24.7KB
SHA1
ccf67b2cc5b138fe3a9b0b1122388a2124ba136d
MD5
b5437ff46bfe849d72448538f858cbed
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
NEW! Version
8.0.424.16909
Product Version
8.0.4+2d7eea252964e69be94cb9c847b371b23e4dd470
Language
0 (Unknown)
Size
23.3KB
SHA1
c8de10d5eb482b04b3da6b3d19cffb9aaf1cbd94
MD5
f024f060611d4f660e5058b836c911e1
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
Version
8.0.324.11423
Product Version
8.0.3+9f4b1f5d664afdfc80e1508ab7ed099dff210fbd
Language
0 (Unknown)
Size
24.8KB
SHA1
2d55b6f9450fdafd4bd5093d0abf24dbe9dd9f1c
MD5
5bb5211c95024a215c2c142e3175943e
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
Version
8.0.224.6711
Product Version
8.0.2+1381d5ebd2ab1f292848d5b19b80cf71ac332508
Language
0 (Unknown)
Size
24.8KB
SHA1
4289761f8aef62d8f539aeefc9aee2273152c5cb
MD5
82b906111bce0efd557797a1edfc65d7
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
Version
8.0.224.6711
Product Version
8.0.2+1381d5ebd2ab1f292848d5b19b80cf71ac332508
Language
0 (Unknown)
Size
23.3KB
SHA1
d247a32a375b0e8e7344ffe1471af0bcf7de6112
MD5
e7d0bcdcb359cd0034f03c333f9e4448
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
Version
8.0.123.58001
Product Version
8.0.1+bf5e279d9239bfef5bb1b8d6212f1b971c434606
Language
0 (Unknown)
Size
14.5KB
SHA1
3fc2c1814572641babce14d2f5a7d57b94211bfa
MD5
59c47c69f97e8f95d5d02429fffa5285
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
Version
8.0.123.58001
Product Version
8.0.1+bf5e279d9239bfef5bb1b8d6212f1b971c434606
Language
0 (Unknown)
Size
24.8KB
SHA1
7558d93cc345e135afc31122618c034c7cb7248a
MD5
686c625fbfad9db37a93a8ec5324b247
System.Data.dll
by Microsoft Corporation
for Microsoft® .NET
System.Data
Version
8.0.123.58001
Product Version
8.0.1+bf5e279d9239bfef5bb1b8d6212f1b971c434606
Language
0 (Unknown)
Size
36.7KB
SHA1
8d9e5bb373bb01beb37bcc5753fe96c9df1bd32f
MD5
834f92171c9a1772559484940b11e0e9

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