The areas may not be associated with polygons of a dgn file. The only way I know of to determine if areas are brought into the database by either 1) selecting a polygon or by 2) just manually typing in the data, is to open the database file in Access. In the Area table, in the AreaCoords column, if it is connected to a polygon the cell will contain data. If that cell is blank, there is no polygon associated with the area.
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