public static void Question7_3()
{
Console.WriteLine("\nQuestion 7.3 - List Students with grade >= 60");
IStudentService svc = new StudentServiceList();
Seed(svc); // add seed data
// retrieve all students then print any students with a
// grade >= 60 (marge/lisa)
var commendations = svc.GetStudents().Where(s => s.Grade >= 60);
foreach (var s in commendations)
{
Console.WriteLine($"{s.Name} {s.Course} {s.Grade}");
}
}
public static void Question7_2()
{
Console.WriteLine("\nQuestion 7.2 - List students in Grade Order");
//create an instance of our service
IStudentService svc = new StudentServiceList();
Seed(svc); // add seed data
// retrieve all students - order by grade ascending
// and print students name course and grade
var simpsons = svc.GetStudents()
.OrderBy(s => s.Grade);
// .Select(s => new {s.Name, s.Course, s.Grade});
//simpsons is now a list of anonomous objects with a name a course and a grade.
//print list
// Console.WriteLine(simpsons);
foreach (var s in simpsons)
{
Console.WriteLine($"{s.Name} {s.Course} {s.Grade}");
}
}
public static void Question7_1()
{
Console.WriteLine("\nQuestion 7.1 - List all Student Names");
//create an instance of our service
IStudentService svc = new StudentServiceList();
//calls method called seed and passes this service as a parameter
Seed(svc); // add seed data
//after calling the seed method this list now has 4 students
// retrieve all students and print student names
//retrieve students
var names = svc.GetStudents() //gets list of students
.Select(s => s.Name); //gets the name from student list
//print out student names
foreach (var n in names)
{
Console.WriteLine(n);
}
//Console.WriteLine(simpsons.ToString());//will print out all the student details
}