Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trialFrantyk Andrii
35,423 PointsWhat is wrong with my code?
using System.Collections.Generic;
namespace Treehouse.CodeChallenges
{
public class Course
{
public int Id { get; set; }
public int TeacherId { get; set; }
public string Title { get; set; }
public string Description { get; set; }
public int Length { get; set; }
public ICollection<Student> Students { get; set; }
public Course()
{
Students = new List<Student>;
}
public Teacher Teacher { get; set; }
}
}
Course.cs
using System.Collections.Generic;
namespace Treehouse.CodeChallenges
{
public class Course
{
public int Id { get; set; }
public int TeacherId { get; set; }
public string Title { get; set; }
public string Description { get; set; }
public int Length { get; set; }
public ICollection<Student> Students { get; set; }
public Course()
{
Students = new List<Student>;
}
public Teacher Teacher { get; set; }
}
}
Student.cs
namespace Treehouse.CodeChallenges
{
public class Student
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
}
}
1 Answer
James Churchill
Treehouse TeacherFrantyk,
You're missing a set of parentheses when instantiating the Students collection.
Instead of:
Students = new List<Student>;
You need:
Students = new List<Student>();
Thanks ~James