private static IList <string> AddHonorRollLines(Period p, IEnumerable <StudentViewModel> students)
{
var outs = new List <string>();
foreach (var kvp in students.OrderBy(s => Maintenance.GradeLevelNumber(s.GradeLevel)).GroupBy(s => s.GradeLevel))
{
outs.Add("-" + StudentViewModel.FormatGradeLevel(kvp.Key) + "-");
foreach (var student in kvp)
{
outs.Add(student.Name + "," + student.GradeLevel + "," + student.Gpa(p).ToString("0.00"));
}
}
return(outs);
}