Is gender identity biologically hard-wired? 143893143902143902Is gender identity biologically hard-wired?At an early age, 8-year-old Skyler Kelly began to let his parents know that what he looked like on the outside, a girl, is not how he felt on the inside. The science of gender identity isn't fully understood, but new research points to a complex set of factors, including biological ones.
Creating a Database-First Model in Entity Framework. Entity Framework (EF) is the preferred data access solution and Object-Relational Mapper (ORM) from Microsoft. There are three methodologies you can pick from when building an EF model: Database-First, Model-First, and Code-First. In this post, we'll explore creating a Database-First model using an EDMX designer file.
Code First. Using a Guid as the primary key when taking the code first approach is simple. When creating your entity, add the DatabaseGenerated attribute to your primary key property, as shown below; Entity framework will create the column as you would expect, with a primary key and uniqueidentifier data type.Click to zoom in.sing a Guid as your tables primary key, when using Entity Framework, requires a little more effort than when using a integer. The setup process is straightforward, after youâve read/been shown how to do it.