public int GetTrueStudentIDWhoHaveCourses(Student student, DataClasses1DataContext db)
{
Console.WriteLine("\n\tStudents ID who have courses");
AvailableStudentIDPerCourse(db);
int studentID = student.GetStudentIDForCreate(db);
bool existStudent = CheckStudentId(studentID, db);
bool foundStudent = CheckStudentIdInTableStudentPerCourse(studentID, db);
while (!existStudent)
{
Console.WriteLine("\n\tThis Student ID does not correspond to a student!!!");
Console.WriteLine("\n\tStudentσ ID who have courses");
AvailableStudentIDPerCourse(db);
studentID = student.GetStudentIDForCreate(db);
existStudent = CheckStudentId(studentID, db);
}
while (!foundStudent)
{
Console.WriteLine("\n\tThis student has not courses!!!");
AvailableStudentIDPerCourse(db);
studentID = student.GetStudentIDForCreate(db);
foundStudent = CheckStudentIdInTableStudentPerCourse(studentID, db);
}
return(studentID);
}
public int GetTrueStudentID(Student student, DataClasses1DataContext db)
{
AvailableStudentID(db);
int studentID = student.GetStudentIDForCreate(db);
bool existStudent = CheckStudentId(studentID, db);
while (!existStudent)
{
Console.WriteLine("\n\tThis Student ID does not correspond to a student!!!");
AvailableStudentID(db);
studentID = student.GetStudentIDForCreate(db);
existStudent = CheckStudentId(studentID, db);
}
return(studentID);
}