In Linq to SQL I could specify a relationship that didn\'t have to depen开发者_StackOverflow中文版d on the foreign keys and pks existing in the database, useful for creating composite relationships li
I\'m trying to get a Winforms combobox to automatically refresh when new rows are written to our database.
Below I have created a demo entity to demonstrate what I\'m looking for: public class User :IValidatableObject
I currently working on a application that use Entity Framework 4.1 (code first) and SQL Server CE 4.0. One of the new things I really like from SQL Server CE 4.0 are the computed values.
In this example here, Scott shows doing a Linq query against the dbContext and binding the result directly to a GridView to show a list of products. His example is using the CTP4 version of the Code F
I\'m creating my first N-Tier MVC applicatio开发者_如何学Pythonn and I\'ve run into a road block with how to manage multiple DbContexts with my database first approach.
I want to write a select between two table that have relation. I use this code but i get no result. Please advise me
I have been searching for an answer to this question for days and it is driving me insane. Currently I am working on a project using ASP.NET MVC 3 and am trying to utilize a ViewModel per controller a
I have a Many to Many relationship between Products and ProductGroups. Using EF4.1 Code First, I\'m getting strange and incosistent results when adding/removing Products to/from a ProductGroup.
I 开发者_JS百科want to know if DBContext (EF 4.1) supports Self Tracking Entities. If yes, how can I do that?No unless you rewrite the template to support them. The current template is dependent on Ob