dotConnect for QuickBooks Online

dotConnect for QuickBooks is a versatile enterprise-grade connector that enables access to QuickBooks data in .NET applications of all levels. It delivers advanced ORM support, broad compatibility with .NET platforms, and easy integration with multiple IDEs, including Microsoft Visual Studio.

Moreover, this connector regularly undergoes security and performance tests to make sure it stays ahead of the competition at all times. Extra benefits include premium support, frequent updates, and detailed documentation to help you with a quick and easy start.

• Access to data with no need for any client libraries
• Advanced ORM support: EF Core, Dapper, NHibernate, and more
• Full compliance with ADO.NET standards
• Support for all versions of QuickBooks API
• Support for QuickBooks-specific features
• Powerful local SQL engine with support for SQL-92
• Integration with Visual Studio

Installation

1. Install the NuGet Package

Or download the Windows installer (.exe) from the official website.

2. Activate license

• Free Trial License: Evaluate the full capabilities of dotConnect for QuickBooks in a non-commercial environment—ideal for development and testing. Start your free trial
• Commercial License: Deploy dotConnect for QuickBooks in commercial applications and access full technical support with a valid license. Purchase a license

Usage

This snippet directly configures a QuickBooks connection using a connection string.

```csharp=

using Devart.Data.QuickBooks;

namespace QuickBooksConsoleApp

{

class Program

{

static void Main(string[] args)

{

string connectionString = "Authentication Type=OAuthInteractive;" +

"License key=**********;";

try

{

using (QuickBooksConnection quickBooksConnection = new QuickBooksConnection())

{

quickBooksConnection.ConnectionString = connectionString;

quickBooksConnection.Open();

Console.WriteLine("Connected to QuickBooks Online successfully.");

quickBooksConnection.Close();

}

}

catch (Exception ex)

{

Console.WriteLine(ex.Message);

}

Console.ReadKey();

}

}

}

```

Read the full documentation for connection here.

Compatibility

The following table show which version of this package to use with which version of frameworks.

Entity Framework Core | 10, 9, 8, 7, 6, 5, 3, 2, 1

.NET | 10, 9, 8, 7, 6, 5

.NET Core | 3.1, 2

.NET Framework | 4.8, 4.7, 4.6, 4.5

More information here

Enhanced ORM Support

dotConnect for QuickBooks offers enhanced ORM support with a bundled visual designer for ORM models - Entity Developer. Our QuickBooks ADO.NET Provider supports the following ORMs:

• Entity Framework v4 - v6
• Entity Framework Core 1.x, 2.x, 3.x, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0
• NHibernate 1.x-5.x
• Dapper 1.x, 2.x

Advanced Visual Studio Integration with QuickBooks

dotConnect for QuickBooks provides a vast number of GUI tools that increase your productivity. For example, it includes DataSet tools, such as DataSet Wizard, DataSet Editor, DataSet Manager, provide you an easy way to create and edit typed and untyped DataSets.

QuickBooks ADO.NET Provider supports advanced Visual Studio integration (DDEX) and provides convenient visual component editors to simplify component tweaking.