public void UpdateOrAddStudent(Student student)
{
int result = students.RemoveAll(x => x.Id == student.Id);
students.Add(student);
XmlService.WriteXml(students);
}
public void DeleteStudent(string id)
{
int result = students.RemoveAll(x => x.Id == id);
if (result > 0)
{
XmlService.WriteXml(students);
}
}
public Repository()
{
students = XmlService.ReadXml <List <Student> >();
}