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Entity Framework ObjectContext With Dependency Injection?


Here's what I want to do:

UI layer: An ASP.NET webforms website.

BLL: Business logic layer which calls the repositories on DAL.

DAL: .EDMX file (Entity Model) and ObjectContext with Repository classes which abstract the CRUD operations for each entity.

Entities: The POCO Entities. Persistence Ignorant. Generated by Microsoft's ADO.Net POCO Entity Generator.

I'd like to create an obejctcontext per HttpContext in my repositories to prevent performance/thread [un]safety issues.

public MyDBEntities ctx
{
get
{
string ocKey = "ctx_" + HttpContext.Current.GetHashCode().ToString("x");
if (!HttpContext.Current.Items.Contains(ocKey))
HttpContext.Current.Items.Add(ocKey, new MyDBEntities ());
return HttpContext.Current.Items[ocKey] as MyDBEntities ;
}
}

I don't want to access HttpContext in my DAL (Where the repositories are located). But I have to somehow pass HttpContext to DAL. based on the answer to my question here, I have to use IoC pattern.


View 1 Replies (Posted: Jan 6 at 20:48)

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