public SchoolGroup GetByName(string name)
{
try
{
SchoolGroup sc = _schoolClasses.Single(x => x.Name.Equals(name));
return(sc);
} catch (System.InvalidOperationException)
{
return(null);
}
}
public bool Remove(string name)
{
SchoolGroup sc = GetByName(name);
return(_schoolClasses.Remove(sc));
}
public bool Add(SchoolGroup sc)
{
return(_schoolClasses.Add(sc));
}