Is there a ni开发者_开发百科ce way to execute code when an entity is being saved to the database using EF/code-first?
I\'m using Entity Framework 4.1 code first approach. I want to make eager loading as my the dafault configuration, and by that avoid using the Include extension method in each fetching query.
I\'m having a database computed field in my Code-First model. I\'ve marked that with the DatabaseGeneratedAttribute. Do I need to specify the RequiredAttribute too?
I am trying to deploy an EF 4.1 Code-First application from Dev to Test without letting EF \"blow-away\" the entire database.
I am trying开发者_如何学运维 to model a \"User can have 0 or 1 set of preferences\" where the preferences table has a primary key of UserId which is also a foreign key to the User entity, a la this po
I\'ve upgraded an asp.net mvc 2 project to mvc 3. I\'m using a regular edition of SQL Server, not express.
I\'m using Entity Framework \"Code First\" approach in a ASP.NET MVC 3 web application.In my database I have several computed columns.I need to use these columns to display data (which works fine).
For reasons described here I need to make multiple calls to SaveChanges.I would like both of these calls to be wrapped up in a transaction (so that if the second call fails, 开发者_如何学运维the first
I\'m using .NET entity framework 4.1 with code-first approach to effectively solve the following problem, here simplified.
I\'m using a DbContext provided by a DomainService in my Silverlight 5 (Beta) application. I\'m getting warning messages while building the project: