DataSet ds = bllShopCar.ShopCarQT(Request.Cookies["ShopUser"].Value);if (ds.Tables[0].Rows.Count > 0){havegoodsbox1.Visible = true;RadListView1.DataSource = ds;RadListView1.DataBind();}else{nocarbox.Visible = true;}

public DataSet ShopCarQT(string strWhere){StringBuilder strSql = new StringBuilder();strSql.Append("select * from ShopCar left join GoodsInfo on [ShopCar].[Goods_ID] = [GoodsInfo].[Goods_ID] where [ShopUser] = '");if (strWhere.Trim() != ""){strSql.Append(strWhere + "'");}return DbHelperSQL.Query(strSql.ToString());}

if (Request.Cookies["ShopUser"] == null || Request.Cookies["ShopUser"].Value == ""){Response.Cookies["ShopUser"].Value = DateTime.Now.ToString("yyyyMMddhhmmssfff");Response.Cookies["ShopUser"].Expires = DateTime.Now.AddYears(1);}

if (bllshopcar.GetRecordCount2("[Goods_ID] = " + Request["id"] , "[ShopUser] = " + Request.Cookies["ShopUser"].Value) !=0 ){Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('不能添加重复商品！');location.replace(location.href);</script>");}else{molshopcar.ShopUser = Request.Cookies["ShopUser"].Value;molshopcar.Goods_ID =Int32.Parse((Request["id"]));int Money;Money = Convert.ToInt32(this.qty_item_1.Text) * Convert.ToInt32(this.lblgoods_GBprice.Text);molshopcar.Goods_Money = Money;molshopcar.Goods_Name = lblgoods_name.Text;molshopcar.Goods_Num = Convert.ToInt32(qty_item_1.Text);bllshopcar.Add(molshopcar);Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('加入购物车成功！'); </script>");}

/// <summary>
/// 判断购物车商品是否重复
/// </summary> public int GetRecordCount2(string str1,string str2){StringBuilder strSql = new StringBuilder();strSql.Append("select count(1) FROM ShopCar ");if (str1.Trim() != "" || str2.Trim() != ""){strSql.Append(" where " + str1 + "and " + str2);}object obj = DbHelperSQL.GetSingle(strSql.ToString());if (obj == null){return 0;}else{return Convert.ToInt32(obj);}}

function change(js_shopcarid){var goodsnum = prompt("请输入数量", "");//将输入的数量赋值给numif(goodsnum < 0 ){alert("请输入正确数值");}else  if (goodsnum){alert("修改成功！");document.cookie = "jsshopcarid=" + js_shopcarid;document.cookie = "goodsnum=" + goodsnum;var btn = document.getElementById("Button3");btn.click();}else{alert("您取消了修改数量！");}                     }

protected void Button3_Click(object sender, EventArgs e){bllShopCar.Updatagoods(Int32.Parse( Request.Cookies["goodsnum"].Value),Int32.Parse(Request.Cookies["jsshopcarid"].Value));DataSet getGoodsid = bllShopCar.GetList("ShopCarID=" + Int32.Parse(Request.Cookies["jsshopcarid"].Value));  Goodsid = getGoodsid.Tables[0].Rows[0]["Goods_ID"].ToString();   //获取Godos_ID
DataSet getprice = bllgoods.GetList("Goods_ID=" + Goodsid);     In_Storeprice = getprice.Tables[0].Rows[0][4].ToString(); //获取商品单价
s = Int32.Parse(In_Storeprice) * Int32.Parse(Request.Cookies["goodsnum"].Value); //计算小计bllShopCar.Updatemoney(s, Int32.Parse(Request.Cookies["jsshopcarid"].Value));//总价DataSet getallprice =  bllShopCar.getAllprice(Request.Cookies["ShopUser"].Value);a = getallprice.Tables[0].Rows[0][0].ToString();Allprice.Text = a;Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>location.replace(location.href);</script>");}

/// <summary>
/// 计算总价
/// </summary>public DataSet getAllprice(string str2){return DbHelperSQL.Query("select sum ([Goods_Money]) from [ShopCar] where [ShopUser] =" + str2);}

<a href="deletepage.aspx?Goods_ID=<%#Eval("Goods_ID")%>" style="text-decoration:none;color:black;">删除</a>

bllShopCar.Delete( Convert.ToInt32(Request.QueryString["Goods_ID"]));Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('删除成功！');location.href='ShoppingCar.aspx'; </script>");