public override string ToString()
{
List <Order> list = DatabaseMethods.SelectWorkerOrders(this);
string workerOrdersAmount = list == null ? "0" : list.Count.ToString();
return("Worker number: " + WorkerNumber + Environment.NewLine +
"Name: " + Name + Environment.NewLine +
"Last name: " + LastName + Environment.NewLine +
"Position: " + Position + Environment.NewLine +
"Salary: €" + Salary.ToString() + Environment.NewLine +
"Working hours per week: " + WorkingHoursPerWeek.ToString() + Environment.NewLine +
"Worker orders amount: " + workerOrdersAmount + Environment.NewLine +
"Registered on: " + RegisterDate.ToShortDateString());
}
