这样才可以进行复制context.Lodgings.Add(clone);//复制,这里传入的就不是DbPropertyValues 的实例context.Entry(clone).CurrentValues.SetValues(davesDump);//修改名称clone.Name ="Dave's
Programming Entity Framework: DbContext by Julia Lerman, Rowan Miller Chapter 4. Working with Disconnected Entities Including N-Tier Applications In the previous chapter you learned how to add new entities and change or delete existing entities. All the examples we looked at involved making changes ...
问如何运行"Programming Entity Framework: DbContext“示例？EN我在其他地方找到了一个解决方案，并将其...
Julia Lerman.Programming Entity Framework:DbContext.. 2012LERMAN Julia,MILLER Rowan.Programming entity framework:Db Context.. 2012Programming entity frame work:Db Context. Lerman Julia,Miller Rowan. . 2012LERMAN J, MILLER R. Programming entity framework: Db- Context[ M ]. O' reilly Media,2012....
通过Dbcontext的OnModelCreating来对模型进行配置。 protectedoverridevoidOnModelCreating(DbModelBuilder modelBuilder) { modelBuilder.Entity<AnimalType>().ToTable("Animal"); modelBuilder.Entity<AnimalType>().Property(p =>p.TypeName).IsRequired();
The downloads samples are available for Programming Entity Framework: Code FIrst on the downloads page of this website. Rowan and I are busy working on the next book (Programming Entity Framework: DbContext API) right now. Hopefully it will go into production in the next week or two... ...
Entity Framework EF Core & EF6 Entity Framework Core Welcome! What's new in EF Core 9.0 Breaking changes in EF Core 9.0 Getting started Releases and planning (roadmap) DbContext configuration and initialization Create a model Manage database schemas Query data Save data Change tracking Logging,...
MSDN Magazine: Data Points - Entity Framework Preview: code first, ObjectSet and DbContext MSDN Magazine: Editor's Note - A Few of My Favorite App Things MSDN Magazine: Bing Map Apps - Building a Real-Time Transit Application Using the Bing Map App SDK ...
MSDN Magazine: Data Points - Entity Framework Preview: code first, ObjectSet and DbContext MSDN Magazine: Editor's Note - A Few of My Favorite App Things MSDN Magazine: Bing Map Apps - Building a Real-Time Transit Application Using the Bing Map App SDK MSDN Magazine: Mobile Apps - Getting...
Entity Framework - update field value to current DB server time, Try inserting the following in place of the fourth line in your sample: var dateQuery = context.CreateQuery<DateTime>("CurrentDateTime() Entity Framework Getting current date rows(while time in that day) ...