public void NotifyPropertyChanged(string propertyName)
{
if (EditMode == EditMode.View)
{
EditMode = EditMode.Edit;
}
_isDirty = true;
if (ChangedFields == null)
{
ChangedFields = new List <string>();
}
if (!ChangedFields.Contains(propertyName))
{
ChangedFields.Add(propertyName);
}
}
