private void button5_Click(object sender, EventArgs e)
{
textBox1.Clear();
XDocument xdoc = XDocument.Load("student.xml");
var list = from elem in xdoc.Element("ArrayOfStudent").Elements("Student")
orderby Convert.ToInt32(elem.Element("averagemark").Value)
select elem;
foreach (var elem in list)
{
textBox1.Text += elem.Element("FIO").Value + " " + elem.Element("Specialty").Value + " " + elem.Element("group").Value + " " + elem.Element("averagemark").Value + Environment.NewLine;
}
if (sender is Button)
{
Button button6 = (Button)sender;
if (button6.Name == "button6")
{
foreach (var elem in list)
{
XmlSerializeWrapper.Serialize <XElement>(elem, "sortstud.xml");
}
}
}
}
private void button2_Click(object sender, EventArgs e)
{
XmlSerializeWrapper.Serialize(students, "student.xml");
}