public int Recover(Supplier supplier)
 {
     return(supplierDAL.Recover(supplier.ID, supplier.Name, supplier.PhoneNumber, supplier.Address));
 }
 public int Delete(Supplier supplier)
 {
     return(supplierDAL.Delete(supplier.ID));
 }
 public int Add(Supplier supplier)
 {
     return(supplierDAL.Add(supplier.Name, supplier.PhoneNumber, supplier.Address));
 }
 public int Update(Supplier supplier)
 {
     return(supplierDAL.Update(supplier.ID, supplier.Name, supplier.PhoneNumber, supplier.Address));
 }
 public DataTable GetByName(Supplier supplier)
 {
     return(supplierDAL.GetByName(supplier.Name));
 }