Dim g = lst.Data.GroupBy(Function(T) New With
{
T.mName,
T.mUnit,
T.mPrice
}).Select(Function(t) New With
{
.mName = t.Key.mName,
.mPrice = t.Key.mPrice,
.mUnit = t.Key.mUnit,
.
Tag: EF
Entity frame multi-stage inheritance EF code is preferred
I am trying to use Code First to set up TPC inheritance. I have a three-level hierarchy.
Abstract class A, concrete class B inherits from A, and class C inherits from B. < br>Type A attributes: ID
Entity-Framework – EF Core 2.0 – Cyclic Dependence, both ends need FK
I have a fairly simple data model with two entities:
public class User
{
public int Id {get; set; }
public string Name {get; set; }
public int CurrentLocationId {get; set; }
public List<
ASP.NET core EF6 identity
I am using EF6 as ORM to create a new project in ASP.NET Core-pay attention to EF Core.
I am trying to configure Identity Store Encountered a problem.
This is what I have so far: