private void BuildUI()
        {
            if (AllEmployees.Count() > _currentEmployeeIndex)
            {
                var Empobj = AllEmployees.Skip(_currentEmployeeIndex).FirstOrDefault();
                if (Empobj != null)
                {
                    CurrentEmployee = Empobj;


                    List <EmployeeHours> _list = new List <EmployeeHours>();

                    for (var i = Convert.ToDateTime(PayStartDate); i <= Convert.ToDateTime(PayEndDate); i = i.AddDays(1))
                    {
                        _list.Add(new EmployeeHours
                        {
                            WorkDate = i,

                            Employee = new Employee {
                                EmployeeNumber = CurrentEmployee.EmployeeNumber, EmployeeFirstName = CurrentEmployee.EmployeeFirstName, EmployeeLastName = CurrentEmployee.EmployeeLastName, HireDate = CurrentEmployee.HireDate
                            },
                            HoursWorked = 0,
                            Description = String.Empty
                        });
                    }


                    var db = EmployeeData.GetEmployeeHoursByEmpnonDate(CurrentEmployee.EmployeeNumber, Convert.ToDateTime(PayStartDate), Convert.ToDateTime(PayEndDate));
                    EmployeeHours = (from l in _list
                                     join d in db on l.WorkDate equals d.WorkDate into temp
                                     from d in temp.DefaultIfEmpty()
                                     select new EmployeeHours
                    {
                        WorkDate = l.WorkDate,
                        Employee = l.Employee,
                        Id = d == null?0:d.Id,
                        Description = d == null?String.Empty:d.Description,
                        HoursWorked = d == null?0 : d.HoursWorked
                    }).ToList();
                }
            }
        }