private void btnSave_Click(object sender, EventArgs e) { PriceRepository priceRepository = new PriceRepository(); CostPrice cost = new CostPrice(); cost.ProdCd = txtProdCd.Text; cost.Old = product1.Cp; cost.New = Convert.ToDecimal(txtNewCost.Text); if (priceRepository.ChangeCP(cost)) { MessageBox.Show("Cost price Update successfully.", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information); this.Close(); } else { MessageBox.Show("Error on Saving. Please Contact System Admin For more help.", "Failure", MessageBoxButtons.OK, MessageBoxIcon.Error); } }