public IActionResult Index()
{
Students students = new Students();
students.AverageGrade = GradeList.Select(x => x.NumberGrade).Average();
students.StudentGradeDetail = GradeList.GroupBy(x => x.LetterGrade).Select(g => new StudentGradeDetail()
{
LetterGrade = g.Key,
NumberOfStudents = g.Count()
}).OrderBy(x => x.LetterGrade).ToList();
students.ListOfStudents = GradeList;
return(View(students));
}
/// <summary>
/// Calculate Average Grade Percentage for Class
/// </summary>
/// <returns></returns>
private string CalculateAverageGradePercentage()
{
return(string.Format("{0}%", Math.Round(GradeList.Select(ng => ng.NumberGrade).Average(), 2)));
}