Greenville, South Carolina. For other uses, see Greenville. Greenville (/ËÉ¡riËnvÉªl/; locally /ËÉ¡riËnvÉl/) is the county seat of Greenville County in the upstate region of South Carolina, in the United States. The city's mayor is Knox White, who has served in that position since December 1995.
Non-key Attributes. back: surrogate key. next: derived attributes. Non-key attributes are attributes that are not part of a key. Generally, most attributes are simply descriptive, and fall into this category. Consider attributes for first name, last name, birth date; usually these attributes are non-key attributes.Consider a name attribute.on-key Attributes. back: surrogate key. next: derived attributes. Non-key attributes are attributes that are not part of a key. Generally, most attributes are simply descriptive, and fall into this category. Consider attributes for first name, last name, birth date; usually these attributes are non-key attributes.
I used my new and custom DbContext from a WCF data service, but when trying to access the service using Internet Explorer, I got the following error: One or more validation errors were detected during model generation: System.Data.Entity.Edm.EdmEntityType: : EntityType âMembershipâ has no key defined. Define the key for this EntityType. I have been using the Entity Framework since the very first version, and Iâve recently upgraded to version 5.2 on a rather large project of mine.