public void InsertMenu()
{
bool ContinueOrExit = true;
do
{
Console.WriteLine("If u want to insert a student to the private school data base write 1 in console");
Console.WriteLine("If u want to insert a trainer to the private school data base write 2 in console");
Console.WriteLine("If u want to insert a course to the private school data base write 3 in console");
Console.WriteLine("If u want to insert a assignment to the private school data base write 4 in console");
Console.WriteLine("If u want to relate student with course to the private school data base write 5 in console");
Console.WriteLine("If u want to relate trainer with course to the private school data base write 6 in console");
Console.WriteLine("If u want to relate assignment with course to the private school data base write 7 in console");
Console.WriteLine("\nIf u want to return to Main Menu write 0 from keyboard\n");
string userInput = Console.ReadLine();
ContinueOrExit = CheckToContinueOrExit(userInput);
switch (userInput)
{
case "1":
Console.Clear();
studentService.Create();
break;
case "2":
Console.Clear();
trainerService.Create();
break;
case "3":
Console.Clear();
courseService.Create();
break;
case "4":
Console.Clear();
assignmentService.Create();
break;
case "5":
Console.Clear();
watchService.Create();
break;
case "6":
Console.Clear();
teachService.Create();
break;
case "7":
Console.Clear();
assignService.Create();
break;
case "0":
Console.Clear();
break;
default:
Console.Clear();
InsertMenu();
break;
}
} while (ContinueOrExit);
}