Entity Framework 6 - Knowledge Base (KB)

EF 4.1 Code First - Determine What Properties Have Changed

I'm using Entity Framework 4.1 Code First. Is there a built-in way to get a list of what properties have changed since the entity was loaded from the database? I know code first detects that an object was changed, but is there a way to get exactly what pr...

Entity Framework 4.1+ many-to-many relationships change tracking

How can I detect changes of ICollection<> properties (many-to-many relationships)?...public class Company { ... public virtual ICollection<Employee> Employees { get; set; } } using (DataContext context = new DataContext(Properties.Settings.Defau...

Global setting for AsNoTracking()?

Originally I believed that ...context.Configuration.AutoDetectChangesEnabled = false; ...would disable change tracking. But no. Currently I need to use ...AsNoTracking()... on all my LINQ queries (for my read only layer). Is there a global se...

Use EF changetracker to manually get set of changes?

If I load up an entity, make some changes, and then go to save it, EF generates an update statement....This must mean that at some point something (presumably the change tracker) is navigating the loaded object hierarchy and generating a list of (entity, ...

Entity framework change tracking after calling ToList()

I am struggling to understand something with change tracking in EF6....I have code similar to this....public class SomeClass { private List<User> _users; private DAL _dal; public void ProcessUsers() { _users = _dal.GetUsers(); ...

Excluding properties from update instead of updating whole object

I am using ASP.NET Boilerplate with Code-First Entity Framework 6 and MVC 5....In order to update an entity, I am using ...UpdateAsync.......How can I exclude some properties from the entity before executing update?...What function should I use and is thi...