database-first

How can I make it so that my context objects uses the Enum feature in Entity Framework 5.0 if I am using Database First. Go to the model browser and create a new enum type, then go to whatever column you wish to use it on and change its type to the enum that you just created. 来源： https://stackoverflow.com/questions/11595008/enums-ef-5-0-database-first

I am using EF 4 Database first + POCOs. Because EF has no easy way to state that incoming DateTimes are of kind UTC, I moved the property from the auto-generated file to a partial class in another file. private DateTime _createdOn; public virtual System.DateTime CreatedOn { get { return _createdOn; } set { _createdOn = (value.Kind == DateTimeKind.Unspecified) ? _createdOn = DateTime.SpecifyKind(value, DateTimeKind.Utc) : value; } } However, now every time I update the model, the automated properties get created again in the T4-generation. Of course this causes the following compilation error: