EF Designer Bug Workaround for 0..1 Associations to Derived Types (Error Code 3034)
Posted by: Julia Lerman Blog - Dont Be Iffy...,
on 30 Dec 2008 |
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After a lot of head scratching, I was finally able to accidentally duplicate a mapping
issue reported to me by a reader of the Rough
Cuts version of my book, Programming Entity Framework. Then after a lot more head
scratching, I was able to discover the pattern and workaround for this problem, which
has also surfaced a number of times in the forums.
The issue is when creating associations where one of the ends is a 0..1 (zero or one)
and one of the entities involved is derived from another entity....