EF CodeFirst Mirgration

public class StudentViewModel
{
public int StudentID { get; set; }
public string StudentName { get; set; }

public string StandardName { get; set; }
public string TeacherName { get; set; }
}

var stu = from u in ctx.Students
join da in ctx.Standards on u.StandardId equals da.StandardId
join ta in ctx.Teachers on u.TeacherId equals ta.TeacherId
select new StudentViewModel()
{
StudentID = u.StudentID,
StudentName = u.StudentName,
StandardName = da.StandardName,
TeacherName = ta.TeacherName
};
var stuview = stu.FirstOrDefault();