These attributes are not only used in Entity Framework but they can also be used with holbrook-ne.com MVC or data controls. These data annotation attributes work in the same way in EF 6 and EF Core and are valid in both. Note: Data annotations only give you a subset of configuration options. Fluent API provides a full set of configuration options. Nov 14, · Tutorial: Code First with Entity Framework. Posted by Jason De Oliveira | Nov 14, You use Visual Studio and the Entity Framework Designer to generate the C# and holbrook-ne.com classes which reflect the existing database model. Common attributes: [Key] – Column(s) that define the Primary Key in the database tableAuthor: Jason De Oliveira. Entity Framework Core supports composite keys - primary key values generated from two or more fields in the database. However, unlike in previous versions of Entity Framework, you cannot use the Key attribute to define composite keys. This can only be done via the Fluent API. Fluent API. The Fluent API equivalent to the Key attribute is the.
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