6. Retrieving Data from External Sources
In the last several chapters, we talked about working with data and controls. We learned all about the main data source, including fields and groups, their properties, and how they hook up with controls through binding. In this chapter, we’ll apply that knowledge to discuss secondary data sources. Like the main data source, secondary data sources also hold data but cater to different form design needs. We’ll walk through some scenarios that use secondary data sources and show you how easy it is to incorporate them in your form designs.
Talking about data sources won’t make much sense, however, without first going over data adapters. Specifically, we are referring to data that is external ...