Cart.aspx
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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using MyBookShop.BLL;
using MyBookShop.Models;
public partial class Cart : System.Web.UI.Page
{
User user;
protected void Page_Load(object sender, EventArgs e)
{
user = Session["CurrentUser"] as User;
if (user == null)
{
Response.Write("<script>alert('登陆超时,请重新登陆');document.location='MemberShip/UserLogin.aspx';</script>");
return;
}
if (!IsPostBack)
{
if (Session["Cart"] != null)
{
BindGridView();
}
}
}
/// <summary>
/// 结算
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void imgb_Salary_Click(object sender, ImageClickEventArgs e)
{
if (Session["Cart"] == null || ((DataTable)Session["Cart"]).Rows.Count==0)
{
Response.Write("<script>alert('您的购物车为空,请先将图书放入购物车!');document.location='BookList.aspx';</script>");
return;
}
Order order = new Order();
order.OrderDate = DateTime.Now;
if (this.ltrSalary.Text != String.Empty)
{
order.TotalPrice = Convert.ToDecimal(this.ltrSalary.Text);
}
order.User = user;
order = OrderManager.AddOrder(order);
OrderBook orderbook=new OrderBook();
Book book = new Book();
Order orders = new Order();
foreach (DataRow dr in ((DataTable)Session["Cart"]).Rows)
{
book.Id = Convert.ToInt32(dr["BookId"]);
orders.Id = order.Id;
orderbook.Book = book;
orderbook.Order = orders;
orderbook.Quantity = Convert.ToInt32(dr["Number"]);
orderbook.UnitPrice = Convert.ToDecimal(dr["UnitPrice"]);
OrderBookManager.AddOrderBook(orderbook);
}
Session.Remove("Cart");
Response.Write("<script>alert('结算成功,请等待审批订单');window.location='BookList.aspx'</script>");
}
/// <summary>
/// 绑定GridView方法
/// </summary>
private void BindGridView()
{
DataTable cart = Session["cart"] as DataTable;
TotalPrice(cart);
this.gvCart.DataSource=cart;
this.gvCart.DataBind();
}
/// <summary>
/// 为前台图片找到正确的路径
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public string GetUrl(string url)
{
return StringHandler.CoverUrl(url);
}
/// <summary>
/// GridView编辑按钮处理事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void gvCart_RowEditing(object sender, GridViewEditEventArgs e)
{
gvCart.EditIndex=e.NewEditIndex;
BindGridView();
}
/// <summary>
/// GridView分页处理事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void gvCart_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
gvCart.PageIndex = e.NewPageIndex;
BindGridView();
}
/// <summary>
/// GridView删除按钮处理事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void gvCart_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
DataTable cart = Session["cart"] as DataTable;
cart.Rows[e.RowIndex].Delete();
Session["cart"] = cart;
BindGridView();
}
/// <summary>
/// GridView取消按钮处理事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void gvCart_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
gvCart.EditIndex = -1;
BindGridView();
}
/// <summary>
/// GridView更新按钮处理事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void gvCart_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
DataTable cart = Session["cart"] as DataTable;
foreach (DataRow dr in cart.Rows)
{
if (dr["BookName"].ToString().Equals((gvCart.Rows[e.RowIndex].FindControl("lblBookName") as Label).Text))
{
dr["Number"] = (gvCart.Rows[e.RowIndex].FindControl("txtNumber") as TextBox).Text.Trim();
}
}
Session["cart"] = cart;
gvCart.EditIndex = -1;
BindGridView();
}
/// <summary>
/// GridView数据绑定后激发的事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void gvCart_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
LinkButton lb= e.Row.FindControl("lnkbtnDelete") as LinkButton;
lb.Attributes.Add("onclick","return confirm('确定删除吗?')");
}
}
/// <summary>
/// 计算总价
/// </summary>
/// <param name="cart"></param>
private void TotalPrice(DataTable cart)
{
double Total = 0;
foreach (DataRow dr in cart.Rows)
{
Total += Convert.ToDouble(dr["UnitPrice"].ToString()) * Convert.ToDouble(dr["Number"].ToString());
this.ltrSalary.Text = Total.ToString();
}
}
/// <summary>
/// 把cart中所有商品全部写入test表
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnInsertToTest_Click(object sender, EventArgs e)
{
DataTable cart = Session["Cart"] as DataTable;
foreach (DataRow dr in cart.Rows)
{
string id = dr["BookId"].ToString();
string bookName = dr["BookName"].ToString();
int count = Convert.ToInt32(dr["Number"].ToString());
float price = float.Parse(dr["UnitPrice"].ToString());
string imgUrl = dr["ImageUrl"].ToString();
float total = count * price;
string strsql = string.Format(@"INSERT INTO [ERP_DB].[dbo].[test]
([BookId]
,[BookName]
,[Number]
,[UnitPrice]
,[ImageUrl]
,[total])
VALUES
('{0}'
,'{1}'
,{2}
,{3}
,'{4}'
,{5})",id,bookName,count,price,imgUrl,total);
if (new MyBookShop.BLL.AddGoodsManager().AddGoodsFromCart(strsql))
{
Response.Write("插入成功");
}
else
{
Response.Write("插入失败!!!!!!!!!!");
}
}
}
}
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