private bool CheckValidity()
{
if (ClassSeleter.ClassType < 0)
{
return(RaiseErrOccuredEvent(MessageType.ClassTypeErr));
}
if (string.IsNullOrEmpty(ClassSeleter.SelectedClass))
{
return(RaiseErrOccuredEvent(MessageType.ClassNameErr));
}
if (string.IsNullOrEmpty(ClassSeleter.SelectedTeacher))
{
return(RaiseErrOccuredEvent(MessageType.TeacherErr));
}
if (ClassCount < 1)
{
return(RaiseErrOccuredEvent(MessageType.ClassCountErr));
}
if (ClassDate.Year < 2000)
{
return(RaiseErrOccuredEvent(MessageType.ClassDateErr));
}
if (!CallingNames.CheckValidity())
{
return(RaiseErrOccuredEvent(MessageType.NameCallingNoCallErr));
}
return(true);
}
