When working with BCS data and creating an external data column in a list or library it is often desirable to show some or all of the secondary fields. In the SharePoint UI, this is a simple task, completed by checking off the fields to capture for viewing, searching, filtering, and sorting later.
However, when you’re building your list or library using a custom list definition schema.xml file this is not as simple. After struggling a bit trying to code the XML myself, it dawned on me that I could mock up the field using the UI and then extract the properly formatted field tags by getting the schemaxml property of the list.
[Continue Reading]