public StudentBO()
{
students = new List <StudentVO>();
StudentVO student1 = new StudentVO("Robert", 0);
StudentVO student2 = new StudentVO("John", 1);
students.Add(student1);
students.Add(student2);
}
public static void Main(string[] args)
{
StudentBO studentBusinessObject = new StudentBO();
//print all students
foreach (StudentVO studentItem in studentBusinessObject.getAllStudents())
{
Console.WriteLine("Student: [RollNo : " + studentItem.getRollNo() + ", Name : " + studentItem.getName() + " ]");
}
//update student
StudentVO student = studentBusinessObject.getAllStudents()[0];
student.setName("Michael");
studentBusinessObject.updateStudent(student);
//get the student
student = studentBusinessObject.getStudent(0);
Console.WriteLine("Student: [RollNo : " + student.getRollNo() + ", Name : " + student.getName() + " ]");
}
static void Main(string[] args)
{
StudentBO studentBusinessObject = new StudentBO();
//输出所有的学生
foreach (var student1 in studentBusinessObject.getAllStudents())
{
Console.WriteLine("Student: [RollNo : "
+ student1.getRollNo() + ", Name : " + student1.getName() + " ]");
}
//更新学生
StudentVO student = studentBusinessObject.getAllStudents().ElementAt(0);
student.setName("Michael");
studentBusinessObject.updateStudent(student);
//获取学生
studentBusinessObject.getStudent(0);
Console.WriteLine("Student: [RollNo : "
+ student.getRollNo() + ", Name : " + student.getName() + " ]");
Console.ReadKey();
}
public void updateStudent(StudentVO student)
{
students.ElementAt(student.getRollNo()).setName(student.getName());
Console.WriteLine("Student: Roll No "
+ student.getRollNo() + ", updated in the database");
}
public void deleteStudent(StudentVO student)
{
students.RemoveAt(student.getRollNo());
Console.WriteLine("Student: Roll No "
+ student.getRollNo() + ", deleted from database");
}