public bool AddStudent(Student student)
{
studentList.Add(student);
if (studentList.Contains(student))
{
InputAndOutput.OutPutStudent(studentList);
return(true);
}
else
{
return(false);
}
}
public bool DeleteStudent(Student student)
{
studentList.Remove(student);
if (studentList.Contains(student))
{
InputAndOutput.OutPutStudent(studentList);
return(false);
}
else
{
return(true);
}
}
public bool ChangeStuentInfo(Student student)
{
Student c = studentList.Find(x => x.Stunum == student.Stunum);
studentList.Remove(c);
studentList.Add(student);
if (studentList.Contains(student))
{
InputAndOutput.OutPutStudent(studentList);
return(true);
}
else
{
return(false);
}
}
public bool ChangePassWord(string userpwd)
{
Student s1 = stu;
s1.Userpwd = userpwd;
studentList.Remove(stu);
studentList.Add(s1);
if (studentList.Contains(s1))
{
stu = s1;
InputAndOutput.OutPutStudent(studentList);
return(true);
}
else
{
return(false);
}
}
