Johnny Cash height 6 feet 2 inches (188 cm/ 1.88 m) and Weight 86.2 kg (190 lbs). His full body measurements are N/A-N/A-N/A inches. Johnny Cash Chest Size N/A, Waist Size N/A & Biceps Size N/A inches. He has Brown color Eye and Black color Hair.
A DbContext instance represents a combination of the Unit Of Work and Repository patterns such that it can be used to query from a database and group together changes that will then be written back to the store as a unit. DbContext is conceptually similar to ObjectContext.
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.