debugmodedotnet

 public class StudentAddress 
    {
        public int Id { get; set; }
        public string  Address { get; set;}

        public int StudentId { get; set; }

        public virtual Student Student { get; set; }
    }

debugmodedotnet

   static void CreateStudent()
        {
            Student s = new Student
            {
                Id = 1,
                Age = 12,
                Name = "Foo"
            };

            StudentAddress sa1 = new StudentAddress { Address = "Delhi", Id = 1 };

debugmodedotnet

public class Context : DbContext
    {
        public Context()
            : base("name=democonnectionstring")
        {
            
        }
        public DbSet<Student> Students { get; set; }
        public DbSet<StudentAddress> StudentAddresses { get; set; }
    }

debugmodedotnet

 static void Main(string[] args)
        {
            CreateStudent();
            Console.WriteLine("Student Created");

            Context c = new Context();
            var result = from r in c.Students.Include("StudentAddresses") select r;
            foreach (var r in result)
            {
                Console.WriteLine(r.Name);

debugmodedotnet

 public Context()
            : base("mydb")
        {
            
        }

debugmodedotnet

<connectionStrings>
    <add name="democonnectionstring" connectionString="Data Source=(LocalDb)\v11.0;Initial Catalog=Demo1;Integrated Security=True;MultipleActiveResultSets=true" providerName="System.Data.SqlClient"/>
    </connectionStrings>

debugmodedotnet

  public Context()
            : base("name=democonnectionstring")
        {
            
        }

debugmodedotnet

public class Student
    {
      
      public Student()
       {
           Subjects = new HashSet<Subject>();
       }
       public int Id { get; set; }
       public string Name { get; set; }

debugmodedotnet

public class Context : DbContext
    {
        public Context()
            : base("name=democonnectionstring")
        {
            
        }
        public DbSet<Student> Students { get; set; }

        public DbSet<Subject> Subjects { get; set; }

debugmodedotnet

static void CreateStudent()
        {
            Student s = new Student
            {
                Id = 1,
                Age = 12,
                Name = "Foo"
            };

            Subject s1 = new Subject { Id = 1, Name = "Phy" };