Код: Выделить всё
public class EmployeeJob
{
public long PeriodId { get; set; }
public long EmployeeId { get; set; }
public string Job { get; set; }
public double Hour { get; set; }
}
< /code>
У меня есть этот список: < /p>
List employeeJobs = new List();
employeeJobs.Add(new EmployeeJob { PeriodId = 66, EmployeeId = 1, Job = "Wrapper", Hour = 5.00 });
employeeJobs.Add(new EmployeeJob { PeriodId = 66, EmployeeId = 3, Job = "Cashier", Hour = 4.50 });
employeeJobs.Add(new EmployeeJob { PeriodId = 66, EmployeeId = 4, Job = "Stylist", Hour = 7.00 });
employeeJobs.Add(new EmployeeJob { PeriodId = 67, EmployeeId = 1, Job = "Parking", Hour = 2.25 });
employeeJobs.Add(new EmployeeJob { PeriodId = 67, EmployeeId = 1, Job = "Cashier", Hour = 1.75 });
Код: Выделить всё
var employeeJobGroups = employeeJobs.GroupBy(employeeJob => new { employeeJob.EmployeeId, employeeJob.PeriodId });
< /code>
Правильно создал 4 группы. Я распечатал все клавиши группы: < /p>
foreach (var employeeJobGroup in employeeJobGroups)
{
Console.WriteLine(string.Format("employeeJobGroup.Key={0}", employeeJobGroup.Key));
}
< /code>
Выход: < /p>
employeeJobGroup.Key={ EmployeeId = 1, PeriodId = 66 }
employeeJobGroup.Key={ EmployeeId = 3, PeriodId = 66 }
employeeJobGroup.Key={ EmployeeId = 4, PeriodId = 66 }
employeeJobGroup.Key={ EmployeeId = 1, PeriodId = 67 }
Код: Выделить всё
{ EmployeeId = 1, PeriodId = 66 }
{ EmployeeId = 1, PeriodId = 67 }
{ EmployeeId = 3, PeriodId = 66 }
{ EmployeeId = 4, PeriodId = 66 }
Подробнее здесь: https://stackoverflow.com/questions/797 ... ymous-type