private void UpdateBookMenu() { string id, name, publisher; float price; id = GetInput.GetString("Nhap id Can cap nhat: ", "Vui long nhap lai"); if (BookLibary.FindBookByID(id) == null) { Console.WriteLine("No Book with that ID In DB"); } else { name = GetInput.GetString("Nhap Ten sach", "Vui long nhap lai"); publisher = GetInput.GetString("Nhap Publisher", "Vui long nhap lai"); Console.Write("Nhap gia tien: "); price = float.Parse(Console.ReadLine()); if (BookLibary.Update(id, name, publisher, price)) { Console.WriteLine("Cap nhat thanh cong"); } else { Console.WriteLine("Loi khi cap nhat"); } } }
public void RemoveBookMEnu() { string id; id = GetInput.GetString("Nhap id Can cap nhat: ", "Vui long nhap lai"); if (BookLibary.FindBookByID(id) == null) { Console.WriteLine("No Book with that ID In DB"); } else { string confirm; Console.WriteLine("You want to delete yes/no"); confirm = Console.ReadLine(); if (confirm.ToLower().StartsWith("yes") || confirm.ToLower().StartsWith("y")) { if (BookLibary.Delete(id)) { Console.WriteLine("Xoa thanh cong"); } else { Console.WriteLine("Loi khi xoa"); } } } }
private void AddBookMenu() { string id, name, publisher; float price; id = GetInput.GetString("Nhap ID", "Vui long nhap lai"); //check student was in List if (BookLibary.FindBookByID(id) != null) { Console.WriteLine("That Book was exsits"); return; } name = GetInput.GetString("Nhap ten sach", "Vui long nhap lai"); publisher = GetInput.GetString("Nhap Publisher", "Vui long nhap lai"); Console.Write("Nhap gia tien: "); price = float.Parse(Console.ReadLine()); if (BookLibary.Add(id, name, publisher, price)) { Console.WriteLine("Add successful"); } else { Console.WriteLine("'Loi khi add, vui long thu lai"); } }