[英]ASp.net Identity How to use the same dbcontext for EF?
我正在尝试对ASP.NET Identity和其他工作使用相同的DbContext-否则会发生不好的事情。 不幸的是,我无法实现这一目标-我最终使用了两个DbContext,它们导致对象翻倍。
我不确定调试此代码需要什么代码...如果我错过了什么,请询问。
启动:
public partial class Startup
{
public void ConfigureAuth(IAppBuilder app)
{
app.CreatePerOwinContext(PriorityDBContext.Create);
app.CreatePerOwinContext<ApplicationUserManager>(ApplicationUserManager.Create);
app.UseCookieAuthentication(new CookieAuthenticationOptions
{
AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
LoginPath = new PathString("/Account/Login"),
Provider = new CookieAuthenticationProvider
{
OnValidateIdentity = SecurityStampValidator.OnValidateIdentity<ApplicationUserManager, ApplicationUser>(
validateInterval: TimeSpan.FromMinutes(30),
regenerateIdentity: (manager, user) => user.GenerateUserIdentityAsync(manager))
}
});
app.UseExternalSignInCookie(DefaultAuthenticationTypes.ExternalCookie);
}
}
PriorityDBContext
public class PriorityDBContext : ApplicationDbContext
{
public PriorityDBContext()
: base()
{
}
// seems to be called twice :(
public static new ApplicationDbContext Create()
{
return new PriorityDBContext() as ApplicationDbContext;
}
// snipped my DbSets
}
}
ApplicationDbContext
public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
{
public ApplicationDbContext()
: base("EFDBContext", throwIfV1Schema: false)
{
}
public static ApplicationDbContext Create()
{
return new ApplicationDbContext();
}
}
在我的主控制器中:
protected override IAsyncResult BeginExecuteCore(AsyncCallback callback, object state)
{
var httpContext = System.Web.HttpContext.Current;
ApplicationDbContext pbContext httpContext.GetOwinContext().Get<ApplicationDbContext>();
this.UserManager = httpContext.Request.GetOwinContext().GetUserManager<ApplicationUserManager>();
this.uoW = new UnitOfWork(pbContext);
return base.BeginExecuteCore(callback, state);
}
好的,没关系-该错误非常明显,并且基本上是原始状态中剩余的结果。 我的工作单元初始化如下所示:
/// </summary>
private PriorityDBContext dbContext = new PriorityDBContext();
public UnitOfWork()
{
}
public UnitOfWork(ApplicationDbContext dbContext)
{
this.dbContext = (PriorityDBContext)ApplicationDbContext;
}
为每个新的工作单元创建一个新的PriorityDbContext。 从未使用传递到构造函数的dbContext。
现在看起来像这样:
private PriorityDBContext dbContext = null;
public UnitOfWork()
{
PriorityDBContext dbContext = new PriorityDBContext();
}
public UnitOfWork(ApplicationDbContext dbContext)
{
this.dbContext = dbContext as PriorityDBContext;
}
问题解决了 ;)
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