sql - Foreign key from table to aspnet_Users : ASP.NET -

sql - Foreign key from table to aspnet_Users : ASP.NET -

i have employee table holds column user_id of type uniqueidentifier foreign key user_id column in aspnet_users. when seek come in new employee sproc using user.identity param, gives me error:

no mapping exists object type system.security.principal.genericidentity known managed provider native type.

how can resolve issue? relating registered user , employee info necessary, because need able retrieve employee info logged in user.

the iidentity interface going give authenticationtype, isauthenticated, , name properties. don't think going fit uniqueidentifier guid field. seek getting user.identity.name , putting plain varchar field. work purpose?

asp.net sql stored-procedures foreign-keys