public override string ToString()
{
return(StudentId + "," +
Name + "," +
Surname + "," +
DateUtilities.DateTimeToStringES(DateOfBirth) +
"\n");
}
private XElement CreateStudentElement(Student student)
{
XElement studentElement = new XElement("student", "");
studentElement.Add(
new XElement("id", student.StudentId),
new XElement("name", student.Name),
new XElement("surname", student.Surname),
new XElement("dateOfBirth", DateUtilities.DateTimeToStringES(student.DateOfBirth)));
return(studentElement);
}
private void BtnFind(IAbstractStudentDAO dao)
{
int studentId = Int32.Parse(txtStudentId.Text);
Student foundStudent = dao.FindById(studentId);
if (foundStudent != null)
{
txtStudentId.Text = foundStudent.StudentId.ToString();
txtName.Text = foundStudent.Name;
txtSurname.Text = foundStudent.Surname;
txtDateOfBirth.Text = DateUtilities.DateTimeToStringES(foundStudent.DateOfBirth);
}
}
public Student Update(int id, Student updatedStudent)
{
if (!File.Exists(FilePath))
{
throw new Exception("No file found " + FilePath);
}
xDocument = XDocument.Load(FilePath);
var studentToUpdate = from student in xDocument.Elements("students").Elements()
where student.Element("id").Value.Equals(id.ToString())
select student;
GetFirstElement(studentToUpdate).Element("name").Value = updatedStudent.Name;
GetFirstElement(studentToUpdate).Element("surname").Value = updatedStudent.Surname;
GetFirstElement(studentToUpdate).Element("dateOfBirth").Value = DateUtilities.DateTimeToStringES(updatedStudent.DateOfBirth);
xDocument.Save(FilePath);
return(updatedStudent);
}