{
bool exit = false;
string studentName;
string studentID;
...
cout << "\nPlease enter Student's Name <a to z> : " << endl;
cout << ">> ";
getline(cin, studentName);
cout << "\nPlease enter Student's ID <Eg : 1003095> : " << endl;
cout << ">> ";
cin >> studentID;
1.error C3861: 'getline': identifier not found
2.error C2678: binary '>>' : no operator found which takes a left-hand operand of type 'std::istream' (or there is no acceptable conversion)