Entity Framework Nullable Types not included in the CreateXXX Method

I'm using Entity Framework 4.0. I have tables with many nullable types. For a table XYZ the Entity Framework creates an object with an insert method named CreateXYZ, but this method only includes the parameters for non-nullable database fields. Nullable fields can the开发者_运维技巧refore not be set on the initial insert.

What is the best way to create an CreateXYZ method that can take the nullable types as well?

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The nullable values are not included in the CreatedXYZ. You can assign them later.