The CData ADO.NET Providers offer an easy way to integrate with different data sources. This article walks through the included, fully functional application that can be used to synchronize contacts between Google and desktop editions of QuickBooks. The application can easily be modified to synchronize contacts with QuickBooks Online and QuickBooks POS.Connecting to QuickBooks and GoogleTo connect to Google, specify the User and Password connection properties. The provider also supports the OAuth ......