Select case in LINQ [duplicate]

Answer 1

check this may help you

var query = from grade in sc.StudentGrade
                        join student in sc.Person on grade.Person.PersonID
                                      equals student.PersonID
                        select new
                        {
                            FirstName = student.FirstName,
                            LastName = student.LastName,
                            Grade = grade.Grade.Value >= 4 ? "A" :
                                        grade.Grade.Value >= 3 ? "B" :
                                        grade.Grade.Value >= 2 ? "C" :
                                        grade.Grade.Value != null ? "D" : "-"
                        };