public void UpdateMagazine(Magazine magazine)
{
var mag = _magazines.Where(x => x.ID == magazine.ID).FirstOrDefault();
if (mag != null)
{
mag.Author = magazine.Author;
mag.Name = magazine.Name;
mag.Publisher = magazine.Publisher;
mag.DatePublishing = magazine.DatePublishing;
mag.Periodicity = magazine.Periodicity;
WriteToXml();
ReadFromXml();
}
}
public void AddMagazine(Magazine magazine)
{
_magazine = magazine;
_magazines.Add(magazine);
WriteToXml();
}