public void GetPrice() { ParametersCollection varParameters = new ParametersCollection(); varParameters.Add("parCodeDealer", varClient.varCodeDealer, DbType.Int32); varParameters.Add("parCodeWares", varWares.varCodeWares, DbType.Int32); varParameters.Add("parDiscount", varClient.varDiscount, DbType.Decimal); DataRow varDR = varWDB.GetPrice(varParameters); varWares.varPrice = Convert.ToDecimal(varDR[0]); varWares.varTypePrice = Convert.ToInt32(varDR[1]); }