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Alex Rivera
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Using Database first design and having tinyint (or smallint) column: [MyEnumColumn] [tinyint] NOT NULL I mapped this column to Enum Type in EDM with External Type: NSpace.MyEnumType Name:MyEnumType UnderlyingType:Byte Where NSpace.MyEnumType is defined like this: public enum MyEnumType { One, Two, Three, All } Only to get this error when trying to load entity from context: Schema specified is not valid. Errors: No corresponding object layer type could be found for the conceptual type 'EntityDataModel.MyEnumType'. The following information may be useful in resolving the previous error: The underlying type of CLR enumeration type does not match the underlying type of EDM enumeration type. Same applies if I use [Smallint] and [Int16] but once I change database to [Int] and enum type to [Int32] the error is gone. Why do I need to store enum value in 4Byte (Int) data field instead of 1Byte (Tinyint) when enums in 99.9% time don't have more than 256 items or am I missing something else?
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