public void ReturnBook(HardCopy copy)
{
var history = new BookLeaningHistory
{
HardCopyId = copy.Id,
UserLeantTo = copy.UserLeantTo.Value,
LeantDate = copy.LeantDate.Value,
ReturnedDate = DateTime.Now
};
_libraryContext.BookLeaningHistories.InsertOnSubmit(history);
_libraryContext.SubmitChanges();
}
private void detach_HardCopies(HardCopy entity)
{
this.SendPropertyChanging();
entity.Book = null;
}
private void attach_HardCopies(HardCopy entity)
{
this.SendPropertyChanging();
entity.Book = this;
}
partial void DeleteHardCopy(HardCopy instance);
partial void UpdateHardCopy(HardCopy instance);
partial void InsertHardCopy(HardCopy instance);