Handling One to One foreign key relationships - LightSwitch

StackOverflow https://stackoverflow.com/questions/7356619

Question

I am currently trying to add a one to one foreign key relationship in LightSwitch. It is between an ID and a username. Ideally I would be able to show the username wherever the related ID is displayed. Any help much appreciated.

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Solution

one to one relationships are not supported. What is supported is one to one or zero mappings. See http://msdn.microsoft.com/en-us/library/ff852044.aspx#Multiplicity

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