结帐.aspx.cs

这是在visual studio环境下用C sharp语言编写的网上购物系统

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;

public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            //TextBox1.Text = Session["khbj"].ToString();
            GridView1.DataSource = Session["ShoppingCart2"];
            GridView1.DataBind();
        }

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        double sum = 0.0;
        for (int ii = 0; ii < GridView1.Rows.Count; ii++)
        {
            CheckBox cc = (CheckBox)GridView1.Rows[ii].Cells[0].FindControl("CheckBox1");
            if (cc.Checked)                    // 若复选框被选中
            {
                sum = sum + (double.Parse(GridView1.Rows[ii].Cells[7].Text));
            }
        }
        TextBox2.Text = sum.ToString();        // 显示汇总结果

    }
    protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
    {

    }
   
}