如何在C#&;中从视图到模型访问数据;ASP.NETMVC
我有类如何在C#&;中从视图到模型访问数据;ASP.NETMVC,c#,asp.net-mvc,C#,Asp.net Mvc,我有类User和Role,我想从Role访问用户名 我的课程是: public class ShiftCalendar { [DatabaseGenerated(DatabaseGeneratedOption.Identity)] public int Id { get; set; } public int ShiftId { get; set; } public virtual Shift Shift { get; set; } public Date
User
和Role
,我想从Role
访问用户名
我的课程是:
public class ShiftCalendar
{
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public int Id { get; set; }
public int ShiftId { get; set; }
public virtual Shift Shift { get; set; }
public DateTime Date { get; set; }
public DateTime ShiftEndTime { get; set; }
public User ShiftManager { get; set; }
public string ShiftManagerId { get; set; }
}
public class Shift
{
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public int Id { get; set; }
[MaxLength(50)]
public string Description { get; set; }
public TimeSpan ShiftBeginTime { get; set; }
public TimeSpan ShiftEndTime { get; set; }
public ICollection<ShiftCalendar> ShiftCalendars { get; set; }
}
public class User: IdentityUser
{
public String FirstName { get; set; }
public string Surname { get; set; }
public ICollection<ShiftCalendar> ShiftCalendars { get; set; }
}
将显示其他值(Shift.Description、日期和结束日期)
索引控制器:
public async Task<ActionResult> Index()
{
var shiftCalendars = _unitOfWork.ShiftCalendarsRepository.Get();
return View(await shiftCalendars.ToListAsync());
}
公共异步任务索引()
{
var shiftCalendars=\u unitOfWork.ShiftCalendarsRepository.Get();
返回视图(等待shiftCalendars.ToListAsync());
}
我做错了什么
谢谢 EF还是EF核心?选择
ShiftCalendar
时,请尝试在查询中使用.Include(p=>p.ShiftManager)
,我已使用公共虚拟用户而不是公共用户解决问题
public async Task<ActionResult> Index()
{
var shiftCalendars = _unitOfWork.ShiftCalendarsRepository.Get();
return View(await shiftCalendars.ToListAsync());
}