These components provide the developer with an API through which they can implement data access operations. The products vary according to the types of database (SQL Srrver, Oracle, MySQL, MS Access, BDE) , the types of access (Admin, User, programmatic, visual) and the mechanism (ODBC, JDBC, ADO, JET etc).

.Net Database APIs & Connectivity Components by GemBox Software

GemBox.Spreadsheet V3.1

GemBox.Spreadsheet is a .NET component which provides easy and high performance way to write, read or convert native Microsoft Excel files (XLS files in BIFF format, CSV files in text format or XLSX files in Open XML format) without the need for Microsoft Excel on either the developer or client machines. Fully generic HTML export is also supported. GemBox.Spreadsheet Free comes free of charge while GemBox.Spreadsheet Professional is a commercial version (licensed per developer).

.Net Database APIs & Connectivity Components by Red-Gate Software

SQL Toolkit V7.0

Automate all your SQL Server database comparison and synchronization tasks – the SQL Toolkit gives you access to the APIs behind our SQL comparison and synchronization tools.

.Net Database APIs & Connectivity Components by Devart

MyDirect .NET V4.85

MyDirect .NET, formerly known as MySQLDirect .NET, is an enhanced data provider for MySQL that builds on ADO.NET technology to present a complete solution for developing MySQL-based database applications. As part of the Core Lab database application development framework, MyDirect .NET offers both high performance native connectivity to the MySQL database and a number of innovative development tools and technologies.

OraDirect .NET Data Provider V4.75

Full featured 100% managed .NET data provider to direct access to Oracle for the Microsoft .NET Framework. Based on ADO.NET technology OraDirect .NET uses OCI directly that allows to create lightweight fast applications. Supports Oracle 9i data types and Oracle object types. Provides ability of monitoring query and stored procedures execution, advanced design-time editors. Supports Unicode, connection pooling, array binding. Migration wizard from MS OracleClient and ODP.NET providers.

PostgreSQLDirect .NET Data Provider V3.75

Full-featured .NET data provider for direct access to PostgreSQL server for the Microsoft .NET Framework. To reach high performance it uses native message-based protocol for communication with PostgreSQL server. It allows to use 100% managed code and doesn't require any client's software. PostgreSQLDirect .NET Provides monitoring abilities for SQL execution by using special utility DBMonitor and advanced design-time abilities.

UniDirect .NET V2.1

UniDirect .NET is data provider to universal data access to different databases for the Microsoft .NET Framework. It supports most of major database servers: MSSQL Server, Oracle, DB2, MySQL, PostgreSQL and others through OLE DB and ODBC. Provider based on ADO.NET technology and can be used in the same way as the SQL Server .NET or the OLE DB .NET. UniDirect .NET doesn't implement database specific access layer for all databases, it uses native ADO.NET providers and based on their functionality.

.Net Database APIs & Connectivity Components by VISOCO Software

VISOCO BDP.NET for Sybase ASE 1.0

VISOCO BDP.NET for Sybase ASE is a BDP.NET provider that allows a developer to get direct access to Sybase ASE from his applications based on Borland® Delphi and C# Builder.

.Net Database APIs & Connectivity Components by DataDirect Technologies Ltd

DataDirect Connect for .NET 3.1 -  100% Managed Code .Net providers

.Net Database APIs & Connectivity Components by xPort Tools

.NET Managed Reader for Microsoft® Excel 2.0 -  .NET Managed Reader for Microsoft® Excel is a set of the classes, designed to read Microsoft® Excel files from the applications. To provide familiar feel and look for the developers and allow future extension of the component, current version of the .NET Managed Reader for Microsoft® Excel implemented as a .NET Managed Provider with the read-only capabilities and allows to read the data from the native Microsoft® Excel files without using any additional providers or Microsoft® Excel. .