According to cascade deleting, i wrote below codes but there is an error : An error occurred while updating the entries. See the inner exception for details.
I have the following entities: Human -Name -Age -Height -Weight SuperHuman : Human -SuperPower E开发者_高级运维F is creating the SuperHumans table with only the Power property and when querie
Background: My company\'s current structure is using Plinqo/L开发者_如何学Pythoninq to Sql to create \"data access objects\", and then use a custom set of CodeSmith templates to build \"business obje
.NET 4.0 with SQL Server 2008 R2.I am trying to represent a 0..1 to 0..1 relationship and I keep getting the following error:
Hello everybody again, I need some help in this logic for EF 4.1 I have one table with data for a customer. I have also another table with a survey i need to compile when needed.
I have a POCO class as follows public class Category { public int ID {get; set; } public string desc {get; set; }
I have the following SQL statement that I am trying to convert into LINQ to Entities, but the correct solution is alluding me at the moment:
I\'m doing a lambda select on EF4.1, including another related DBSet in my current statement. return dbEntity.GameTypes.Include(a => a.Draws)
I\'ve seen several examples of many to many relationships in EF using code-first, but I\'ve run into a situation that I\'m not sure how to solve.
How can开发者_运维百科 I set the command timeout of a DbContext?I found this solution after another Google search.You can access the ObjectContext for a DbContext by casting this to an IObjectContextA
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