private void RemoveGradingPeriodProc()
{
if (SelectedGradingPeriod != null)
{
GradingPeriods.Remove(SelectedGradingPeriod);
}
}
private void AddNewGradingPeriodProc()
{
if (GradingPeriods.Any(c => c.Name == GradingPeriodModel.Name))
{
return; //if <any> element in the collection satisfies the given condition
}
GradingPeriods.Add(GradingPeriodModel);
GradingPeriodModel = new _GradingPeriod();
}
