how to I make a Navigation Property be mandatory in the EF designer? (e.g. make Node always have a NodeType)
i.e. so that in the database the NODE foreign key to NODE_TYPE has to be set/have a value
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how to I make a Navigation Property be mandatory in the EF designer? (e.g. make Node always have a NodeType)
i.e. so that in the database the NODE foreign key to NODE_TYPE has to be set/have a value
Specify this on the Association, multiplicity = 1 to …