public void PenaltyToZero(int id)
{
Penalty pn = cont.PenaltySet.Find(id);
if (pn != null)
{
pn.Sum = 0;
cont.SaveChanges();
}
}
public void Add(BookGiving BG, BookReturning BR)
{
try
{
if (BG != null && BR != null)
{
Librarian curL = (from t in cont.PersonSet where BR.Librarian.Id == t.Id select t as Librarian).First();
BG.BookReturning = new BookReturning();
BG.BookReturning.Librarian = curL;
Penalty pn = new Penalty();
pn.Info = BR.Penalty.Info;
pn.Sum = BR.Penalty.Sum;
BG.BookReturning.Penalty = pn;
BG.BookReturning.Real_Return_Date = BR.Real_Return_Date;
BG.Publication.Available = true;
cont.SaveChanges();
}
}
catch { }
}