I have lookup popup, when I "auto generate" the columns, it's fine, fully functional. But when I manually add the columns, the column value is blank, all the functions are functional (search, paging, etc).
Popup when manually add column:
This is manually added columns:
This is the columns when autogenerate:
I notice the table name before the fieldname but I cannot type the property manually.
PS: in this question I'm using simple book - author tables.