The data reader is incompatible with the specified Entity Framework

Question

I have a method that will return the bare min results from a sproc to fill a select menu. When I want the bare min results I pass bool getMin = true to the sproc, and when I

Answer 1

To me it seems that both branches of the IF return different data, the first branch returns 9 columns where the second - only three. I believe the EF can't reflect the IFramingSystem from the latter. Specifically, the column FrameType (and 5 other columns) are obviously missing:

 ...
 SELECT c.ID,c.Name,c.Descr    <- where are the remaining columns
    from Catelog.Component c
 ...