Question

我陷入了一个奇怪的问题。我必须使用数据库优先方法启动ASP.NET MVC项目。我想使用内置标识进行身份验证和授权。

我已经在包含模型和其他类的类库项目中成功添加了存储库模式。

添加了对我的ASP.NET MVC项目的引用，并更改了项目的连接字符串以及上下文

这是两个项目的连接字符串

<add name="DoctorsDBEntities"
     connectionString="metadata=res://*/Model1.csdl|res://*/Model1.ssdl|res://*/Model1.msl;
                       provider=System.Data.SqlClient;
                       provider connection string=&quot;data source=(LocalDb)\MSSQLLocalDB;initial catalog=DoctorsDB;
                       integrated security=True;
                       MultipleActiveResultSets=True;
                       App=EntityFramework&quot;"
    providerName="System.Data.EntityClient" />

以下是ApplicationUser和DoctorsDbContext类的代码

public class ApplicationUser : IdentityUser
{
    public async Task<ClaimsIdentity> GenerateUserIdentityAsync(UserManager<ApplicationUser> manager)
    {
        // Note the authenticationType must match the one defined in CookieAuthenticationOptions.AuthenticationType
        var userIdentity = await manager.CreateIdentityAsync(this, DefaultAuthenticationTypes.ApplicationCookie);
        // Add custom user claims here
        return userIdentity;
    }
}

public class DoctorsDbContext : IdentityDbContext<ApplicationUser>
{
    static DoctorsDbContext()
    {

        Database.SetInitializer<IdentityDbContext>(null);

        Database.SetInitializer<DoctorsDbContext>(null);

    }
    public DoctorsDbContext()
        : base("DoctorsDBEntities", throwIfV1Schema: false)
    {
        Database.SetInitializer<IdentityDbContext>(null);
        Database.SetInitializer<DoctorsDbContext>(null);
    }

    public static DoctorsDbContext Create()
    {
        return new DoctorsDbContext();
    }
    protected override void OnModelCreating(DbModelBuilder modelBuilder)
    {
        modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
        base.OnModelCreating(modelBuilder);

        modelBuilder.Entity<IdentityUser>()
                       .ToTable("dbo.AspNetUsers");
        modelBuilder.Entity<ApplicationUser>()
                      .ToTable("dbo.AspNetUsers");

        modelBuilder.Entity<IdentityRole>()
                     .ToTable("dbo.AspNetRoles");
        //modelBuilder.Entity<ApplicationRole>()
                     //.ToTable("dbo.AspNetRoles");

        modelBuilder.Entity<IdentityUserClaim>().ToTable("dbo.AspNetUserClaims");

        modelBuilder.Entity<IdentityUserRole>().ToTable("dbo.AspNetUserRoles");
        modelBuilder.Entity<IdentityUserRole>().HasKey((IdentityUserRole r) => new { UserId = r.UserId, RoleId = r.RoleId }).ToTable("dbo.AspNetUserRoles");

        modelBuilder.Entity<IdentityUserLogin>().ToTable("dbo.AspNetUserLogins");
    }

现在收到此错误

Answer 1

如果我理解正确，您使用默认的Microsoft身份类。并且您希望通过db first context来控制它。如果是，那么：

您应该继承IdentityDbContext<ApplicationUser>而不是Dbcontext

public class DoctorsDbContext : IdentityDbContext<ApplicationUser>
{


    static DoctorsContext()
    {

        Database.SetInitializer<IdentityDbContext>(null);

        Database.SetInitializer<DoctorsDbContext>(null);

    }

    public DoctorsDbContext()
        : base("Name=nameOfConnectionString")
    {
       Database.SetInitializer<IdentityDbContext>(null);

       Database.SetInitializer<DoctorsDbContext >(null);
    }

 protected override void OnModelCreating(DbModelBuilder modelBuilder)
    {
        modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
        base.OnModelCreating(modelBuilder);

        modelBuilder.Entity<IdentityUser>()
                       .ToTable("dbo.AspNetUsers");
        modelBuilder.Entity<ApplicationUser>()
                      .ToTable("dbo.AspNetUsers");

        modelBuilder.Entity<IdentityRole>()
                     .ToTable("dbo.AspNetRoles");
        modelBuilder.Entity<ApplicationRole>()
                     .ToTable("dbo.AspNetRoles");

        modelBuilder.Entity<IdentityUserClaim>().ToTable("dbo.AspNetUserClaims");

        modelBuilder.Entity<IdentityUserRole>().ToTable("dbo.AspNetUserRoles");
        modelBuilder.Entity<IdentityUserRole>().HasKey((IdentityUserRole r) => new { UserId = r.UserId, RoleId = r.RoleId }).ToTable("dbo.AspNetUserRoles");

        modelBuilder.Entity<IdentityUserLogin>().ToTable("dbo.AspNetUserLogins");
             }

和ApplicationUser：

public class ApplicationUser : IdentityUser
{
    GenerateUserIdentityAsync(UserManager<ApplicationUser> manager)
    {
        // Note the authenticationType must match the one defined in CookieAuthenticationOptions.AuthenticationType
        var userIdentity = await manager.CreateIdentityAsync(this, DefaultAuthenticationTypes.ApplicationCookie);
        // Add custom user claims here
        return userIdentity;
    }

}

并用DoctorsDbContext替换身份生成的类和方法中的所有Dbcontext。

Answer 2

我做错了。使用的连接字符串是Entity Framework，它不适用于Identity。

只需为身份添加另一个连接字符串即可使用

<add name="DefaultConnection" connectionString="Data Source=(LocalDb)\MSSQLLocalDB;Initial Catalog=DoctorsDB;Integrated Security=True" providerName="System.Data.SqlClient" />

不能将内置的Identity类与数据库优先开发一起使用

2 个答案: