到自定义sql数据库的ASP.net标识连接

我正在尝试将我的asp.net标识类连接到自定义sql数据库。我在OnModelBuilder方法中定义了映射，如下所示：

var user = modelBuilder.Entity<IdentityUser>().HasKey(u => u.Id).ToTable("User");
            user.Property(iu => iu.Id).HasColumnName("Id");
            user.Property(iu => iu.UserName).HasColumnName("UserName");
            user.Property(iu => iu.PasswordHash).HasColumnName("PasswordHash");
            user.Property(iu => iu.SecurityStamp).HasColumnName("SecurityStamp");
            user.Property(iu => iu.EmailConfirmed).HasColumnName("EmailConfirmed");
            user.Property(iu => iu.LockoutEnabled).HasColumnName("LockoutEnabled");
            user.Property(iu => iu.LockoutEndDateUtc).HasColumnName("LockoutEndDateUtc");
            user.Property(iu => iu.PhoneNumber).HasColumnName("PhoneNumber");
            user.Property(iu => iu.PhoneNumberConfirmed).HasColumnName("PhoneNumberConfirmed");
            user.Property(iu => iu.TwoFactorEnabled).HasColumnName("TwoFactorEnabled");
            user.Property(au => au.AccessFailedCount).HasColumnName("AccessFailedCount");
            user.Property(au => au.TwoFactorEnabled).HasColumnName("TwoFactorEnabled");


            //--?--
            user.HasMany(u => u.Roles).WithRequired().HasForeignKey(ur => ur.UserId);
            user.HasMany(u => u.Claims).WithRequired().HasForeignKey(ur => ur.UserId);
            user.HasMany(u => u.Logins).WithRequired().HasForeignKey(ur => ur.UserId);
            user.Property(u => u.UserName).IsRequired();
            //--



            var applicationUser = modelBuilder.Entity<ApplicationUser>().HasKey(au => au.Id).ToTable("User");

            applicationUser.Property(au => au.Id).HasColumnName("Id");
            applicationUser.Property(au => au.UserName).HasColumnName("UserName");
            applicationUser.Property(au => au.Email).HasColumnName("Email");
            applicationUser.Property(au => au.PasswordHash).HasColumnName("PasswordHash");
            applicationUser.Property(au => au.SecurityStamp).HasColumnName("SecurityStamp");
            applicationUser.Property(au => au.EmailConfirmed).HasColumnName("EmailConfirmed");
            applicationUser.Property(au => au.ActivationToken).HasColumnName("ActivationToken");
            applicationUser.Property(au => au.FirstName).HasColumnName("FirstName");
            applicationUser.Property(au => au.LastName).HasColumnName("LastName");
            applicationUser.Property(au => au.LockoutEnabled).HasColumnName("LockoutEnabled");
            applicationUser.Property(au => au.LockoutEndDateUtc).HasColumnName("LockoutEndDateUtc");
            applicationUser.Property(au => au.PhoneNumber).HasColumnName("PhoneNumber");
            applicationUser.Property(au => au.PhoneNumberConfirmed).HasColumnName("PhoneNumberConfirmed");
            applicationUser.Property(au => au.AccessFailedCount).HasColumnName("AccessFailedCount");
            applicationUser.Property(au => au.Discriminator1).HasColumnName("Discriminator1");
            applicationUser.Property(au => au.TwoFactorEnabled).HasColumnName("TwoFactorEnabled");
            applicationUser.Property(au => au.IdentityRole_Id).HasColumnName("IdentityRole_Id");

            //set the primary key for this class. Use .HasMaxLength(40) to specify max length on property
            var role = modelBuilder.Entity<IdentityRole>().HasKey(ir => ir.Id).ToTable("Role");
            role.Property(ir => ir.Id).HasColumnName("Id");
            role.Property(ir => ir.Name).HasColumnName("Name");

            var applicationRole = modelBuilder.Entity<ApplicationRole>().HasKey(ar => ar.Id).ToTable("Role");
            applicationRole.Property(ir => ir.Id).HasColumnName("Id");
            applicationRole.Property(ir => ir.Name).HasColumnName("Name");
            //applicationRole.Property(ir => ir.Description).HasColumnName("Description");

            var userRole = modelBuilder.Entity<IdentityUserRole>().HasKey(iur => new{iur.UserId, iur.RoleId}).ToTable("UserRole");
            userRole.Property(ur => ur.RoleId).HasColumnName("RoleId");
            userRole.Property(ur => ur.UserId).HasColumnName("UserId");

            var claim = modelBuilder.Entity<IdentityUserClaim>().HasKey(iuc => iuc.Id).ToTable("UserClaim");
            claim.Property(iuc => iuc.Id).HasColumnName("Id");
            claim.Property(iuc => iuc.ClaimType).HasColumnName("ClaimType");
            claim.Property(iuc => iuc.ClaimValue).HasColumnName("ClaimValue");
            claim.Property(iuc => iuc.UserId).HasColumnName("UserId");

            var login = modelBuilder.Entity<IdentityUserLogin>().HasKey(iul => new { iul.UserId, iul.LoginProvider, iul.ProviderKey }).ToTable("UserLogin");
            login.Property(iul => iul.UserId).HasColumnName("UserId");
            login.Property(iul => iul.LoginProvider).HasColumnName("LoginProvider");
            login.Property(iul => iul.ProviderKey).HasColumnName("ProviderKey");

如果我理解正确，它会在自定义用户表中查找这些列名，即使它们没有在IdentityUser或派生ApplicationUser中定义

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我不确定错误在哪里，我的onmodel创建方法？

这不是ASP.NET身份问题。您将基类和派生类、IdentityUser和ApplicationUser分别映射到同一个表“User”，这称为“每个类的表层次结构”，因此EF会相应地添加描述符列。 在这种情况下，您应该只映射ApplicationUser类。

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这同样适用于IdentityRole和ApplicationRole等。

我尝试了[NotMappedAttribute]，但没有成功。这忽略了我的整个ApplicationUser类。

Invalid column name 'Discriminator'.
Invalid column name 'IdentityRole_Id'.
Invalid column name 'Discriminator'.
Invalid column name 'Discriminator'.