Question

根据Valueinjecter，使用source和Target进行映射通常使用命名约定。但它在我的情况下不起作用，我如何管理导航属性的映射。

DTO

public class EmployeeDTO
{
    public long EmployeeId { get; set; }
    public long? LoginId { get; set; }
    public string EmpNumber { get; set; }
    public string FirstName { get; set; }
    public string CompanyEmail { get; set; }
    public string PersonalEmail { get; set; }
    public AttendanceTimeSlotDTO AttendanceTimeSlot { get; set; }

}

public class AttendanceTimeSlotDTO
{
    public int SlotId { get; set; }
    public TimeSpan InTime { get; set; }
    public TimeSpan OutTime { get; set; }
}

MYData提供商

  public List<EmployeeDTO> GetActiveEmployees()
    {
        var employees = UnitOfWork.EmployeeRepository.Get(employee => employee.IsActive, null, "AttendanceTimeSlot").ToList();


            //This work fine
        var employeesDto = employees.Select(x => new EmployeeDTO().InjectFrom(x)).Cast<EmployeeDTO>().ToList();
        employeesDto.InjectFrom(employees);

       // Not Working
          var result =employees.Select(e => new AttendanceTimeSlot().InjectFrom(e)).Cast<AttendanceTimeSlot>()
             .Select(x => new EmployeeDTO().InjectFrom(x)).Cast<EmployeeDTO>().ToList();

    }

MYEF

    public long EmployeeId { get; set; }
    public Nullable<long> LoginId { get; set; }
    public string EmpNumber { get; set; }
    public string FirstName { get; set; }


    public virtual ICollection<Attendance> Attendances { get; set; }
    public virtual ICollection<PermanentAddress> PermanentAddresses { get; set; }
    public virtual ICollection<TemporaryAddress> TemporaryAddresses { get; set; }
    public virtual AttendanceTimeSlot AttendanceTimeSlot { get; set; }

如何使用OMU.ValueInjector映射导航属性

Answer 1

默认值ValueInjecter映射具有相同名称和类型的属性

行

employeesDto.InjectFrom(employees);

不需要

，因为它没有做任何事情

这里：

employees.Select(e => new AttendanceTimeSlot().InjectFrom(e))

我没有在AttendanceTimeSlot和你的MYEF之间看到任何匹配的属性所以MYEF没有int SlotId，TimeSpan InTime或TimeSpan OutTime，所以上面的行返回一个新创建的未触及AttendanceTimeSlot的集合

有关使用ValueInjecter和EntityFramework（代码优先）的示例，请查看此演示项目：http://prodinner.codeplex.com

Omu.ValueInjecter使用EF中的导航属性进行映射

1 个答案: