public void MenuStudent(DataClasses1DataContext db, STUDENT sTuDent, Student student, Check_ID check_ID)
{
Course course = new Course();
Assignment assignment = new Assignment();
Console.WriteLine("\n\tSTUDENT MENU\n\t" + "------------");
Console.WriteLine("\tCreate Student press ---> {1}");
Console.WriteLine("\tRead Student press ---> {2}");
Console.WriteLine("\tUpdate Student press ---> {3}");
Console.WriteLine("\tDelete Student press ---> {4}");
Console.Write("\tEnter a choice between ---> {1 - 4}: ");
string stringChoice;
stringChoice = Console.ReadLine();
int outChoice;
while (!int.TryParse(stringChoice, out outChoice) || outChoice < 1 || outChoice > 4)
{
Console.WriteLine("\n\tThe choice should be Only integer between {1- 4}!!!");
Console.Write("\tEnter a new choice: ");
stringChoice = Console.ReadLine();
}
int choice = outChoice;
switch (choice)
{
case (int)SelectionforStudent.create:
int user_ID = CreateUser(db);
student.CreateStudent(user_ID, db);
break;
case (int)SelectionforStudent.read:
int studentID = check_ID.GetTrueStudentID(student, db);
student.ReadStudent(db, studentID);
break;
case (int)SelectionforStudent.update:
studentID = check_ID.GetTrueStudentID(student, db);
student.UpdateStudent(db, sTuDent, studentID);
break;
case (int)SelectionforStudent.delete:
studentID = check_ID.GetTrueStudentID(student, db);
user_ID = GetUserID(studentID, db);
int courseID = course.GetCourseIDFromStudentID(studentID, db);
int assignmentID = getAssignmentIDFromCourseIDThisUser(courseID, db);
DeleteOfStudentsAsUsers(db, studentID, user_ID, courseID, assignmentID);
break;
}
}
public void CreateStudentsPerCourses(STUDENT_PER_COURSE sTudentPerCourse, DataClasses1DataContext db)
{
StudentPerCourse studentPerCourse = new StudentPerCourse();
Student student = new Student();
Console.WriteLine("\n\n\t" + "CREATE STUDENTS PER COURSES" +
"\n\t----------------------------");
Console.WriteLine("\tFor Create a new student press --> {1}");
Console.WriteLine("\tAdd Student to course/s press --> {2}");
Console.Write("\tEnter a choice between --> {1 - 2}: ");
string stringChoice = Console.ReadLine();
Console.WriteLine();
int outChoice;
while (!int.TryParse(stringChoice, out outChoice) || outChoice < 1 || outChoice > 2)
{
Console.WriteLine("\n\tThe choice should be Only integer between {1- 2}!!!");
Console.Write("\tEnter a new choice: ");
stringChoice = Console.ReadLine();
}
int choice = outChoice;
int studentID;
switch (choice)
{
case (int)SelectionCreateStudentOrAdd.create:
int user_ID = CreateUser(db);
student.CreateStudent(user_ID, db);
break;
case (int)SelectionCreateStudentOrAdd.add:
Check_ID check_ID = new Check_ID();
studentID = check_ID.GetTrueStudentID(student, db); // Έγκυρο STUDENT ID
TimesToInsertToCourses(studentID, check_ID, db);
break;
}
}