当前文件： JaneLeeShopCart/mycart.aspx.cs[2K，2009-6-12 11:45:29]，打开代码结构图

		            
 1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11//该源码下载自www.51aspx.com(５1ａsｐｘ．ｃｏｍ)
12
13public partial class mycart : System.Web.UI.Page
14...{
15    protected void Page_Load(object sender, EventArgs e)
16    ...{
17        if (!IsPostBack)
18        ...{
19            GridView1.DataSource = Session["shoppingcart"];
20            GridView1.DataBind();
21        }
22    }
23    protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
24    ...{
25  DataTable Cart = new DataTable();
26  if (e.CommandName == "buy")
27   ...{
28    if (Session["ShoppingCart2"] == null)
29     ...{
30      Cart.Columns.Add("商品编号", typeof(int));       //建立数据表结构
31      Cart.Columns.Add("商品名称", typeof(string));
32      Cart.Columns.Add("单位数量", typeof(string));
33      Cart.Columns.Add("单价", typeof(double));
34      Cart.Columns.Add("订购数量", typeof(int));
35      //Cart.Columns.Add("折扣", typeof(double));
36      Cart.Columns.Add("合计", typeof(double));
37      Session["ShoppingCart2"] = Cart;
38     }
39     Cart = (DataTable)Session["ShoppingCart2"];
40   if (TextBox1.Text == "")   // 输入客户标志
41    ...{
42     Validate();              // 调用校验控件进行校验
43    }
44   else
45   ...{
46    Session["khbz"] = TextBox1.Text;
47    int index = Convert.ToInt32(e.CommandArgument);
48    GridViewRow row = GridView1.Rows[index];
49    TextBox tt = (TextBox)row.Cells[1].FindControl("TextBox2");
50    string dgl = tt.Text;
51    int dg = int.Parse(dgl);
52    if (dg <= 1) 
53        dg = 1;        
54    string bhText = row.Cells[2].Text;
55    string mcText = row.Cells[3].Text;
56    string dwText = row.Cells[4].Text;
57    string djText = row.Cells[5].Text;
58    int bh = int.Parse(bhText);
59    double dj = double.Parse(djText);
60    DataRow rr = Cart.NewRow();
61    rr["商品编号"]=bh;
62    rr["商品名称"] = mcText;
63    rr["单位数量"] = dwText;
64    rr["单价"] = dj;
65    rr["订购数量"] = dg;
66    //int zk = 1;
67    //rr["折扣"] = zk;
68    double hj = dj * dg;   
69    rr["合计"] = hj;
70    Cart.Rows.Add(rr);
71    Session["ShoppingCart2"] = Cart;
72   }
73  }
74 }
75}
76
77 
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79