Today I decided to upgrade to EF 4.1 (from CTP5). I am using Code First. Unfortunately, whenever I try to run the project I get this exception:
开发者_如何学Python It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current f
I am working on Entity Framework 4.1 and using data annotations for foreign keys. I want to know how can we define one to many relationship between produ开发者_JS百科ct and categories. I want to map c
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this
I have some class called myDB that inherits from DbContext the class contains the following member : public DbSet&开发者_开发问答lt;Zoo> mAllZoos { get; set; }
I\'m integrating with an existing database, so I would like the tables generated by my EF4 Code First code to adhere to the table naming conventions which are already in place.
please have a look at the following POCOs: public class Country { [Key] 开发者_Go百科public Guid ID { get; set; }
I\'m creating a WCF Data Services (OData) with EF 4.1 RC Code First. I\'ve overrode the CreateDataSource method to make it work, but then I can\'t create operations that return an IQueryable or using
EF 4.1 RC. I want to run some code after an e开发者_运维问答ntity has been added/attached to the DBContext. Is there an event for this (I can\'t find one). Basically I want to check if the added/attac
I have been follow Steve Sandersons MVC2 book and have implemented a simple / custom MembershipProvider. You will not that a valid user has been hardcoded. My question is how do I get this to validate
加载中,请稍侯......