public bool StandardExists(Standard Standard)
{
return Standards.Contains(Standard);
}
public Standard AddStandard(int iStandard)
{
Standard standard = new Standard(iStandard);
AddStandard(standard);
return standard;
}
public void AddStandard(Standard standard)
{
if (GetStandard(standard.Value) != null) return;
Standards.Add( standard);
RaisePropertyChanged("Standards");
standard.PropertyChanged += standard_PropertyChanged;
}
public static Standard ReadStandard(XElement ele)
{
int iStandard =int.Parse( ele.Element("iStandard").Value);
Standard standard = new Standard(iStandard,false);
XElement ele2 = ele.Element("Subjects");
foreach (XElement eleSub in ele2.Elements("Subject"))
{
standard.Subjects.Add(Subject.ReadSubject(eleSub));
}
return standard;
}