public Supplier CreateSupplier(Supplier newSupplier)
 {
     var newRecord = _dbContext.Suppliers.Add(newSupplier);
     _dbContext.SaveChanges();
     return newRecord;
 }
 public void UpdateSupplier(Supplier supplierToUpdate)
 {
     _dbContext.Suppliers.Attach(supplierToUpdate);
     _dbContext.Entry<Supplier>(supplierToUpdate).State = EntityState.Modified;
     _dbContext.SaveChanges();
 }