public static void DeleteStudent(StudentXml studentDelete)
{
XDocument studentDoc = GetXmlStudents();
studentDoc.Root.Elements().First(st => st.Attribute("Id").Value == studentDelete.ID.ToString()).Remove();
studentDoc.Save(@"Students.xml");
}
public static void UpdateStudent(StudentXml sx)
{
XDocument studentDoc = GetXmlStudents();
XElement studentToUpdate = studentDoc.Root.Elements().First(stf => stf.Attribute("Id").Value == sx.ID.ToString());
studentToUpdate.SetElementValue("FirstName", sx.FirstName);
studentToUpdate.SetElementValue("Last", sx.LastName);
studentToUpdate.SetElementValue("Age", sx.Age);
studentToUpdate.SetElementValue("Gender", sx.Gender == 'm' ? 0 : 1);
studentDoc.Save(@"Students.xml");
}
public static void InsertNewStudent(StudentXml sx)
{
XDocument studentDoc = GetXmlStudents();
studentDoc.Descendants("Students").First().Add(new XElement("Student", new XAttribute("Id", sx.ID),
new XElement("FirstName", sx.FirstName),
new XElement("Last", sx.LastName),
new XElement("Age", sx.Age),
new XElement("Gender", sx.Gender == 'm' ? 0 : 1)));
studentDoc.Save(@"Students.xml");
}