buy.aspx.cs

购物车主要是为广大网上顾客购物的资源平台。购物车主要目标是建设在网上对用户进行信息服务互动平台。

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 System.Data.SqlClient;

public partial class Buy : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["Uid"] ==null)
        {
            Response.Redirect("Default.aspx");
        }
        SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["connstring"].ConnectionString);
        conn.Open();
        string sql = "select Gid as '序号',Gpicture as '照片',Gname as '名称', Gprice as '价格',Gdescribe as '描述' from Goods";
        SqlCommand cmd = new SqlCommand(sql, conn);
        DataSet ds = new DataSet();
        SqlDataAdapter da = new SqlDataAdapter(cmd);
        da.Fill(ds);
        GridView1.DataSource = ds;
        GridView1.DataKeyNames = new string[] { "序号" };
        GridView1.DataBind();
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        Response.Redirect("Next.aspx");
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["connstring"].ConnectionString);
        conn.Open();
        string sql = "insert into Temp () values ()";
        SqlCommand cmd = new SqlCommand(sql, conn);
        DataSet ds = new DataSet();
        SqlDataAdapter da = new SqlDataAdapter(cmd);
        da.Fill(ds);
        GridView1.DataSource = ds;
        GridView1.DataBind();
    }
    

    
    protected void LinkButton1_Command(object sender, CommandEventArgs e)
    {
        SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["connstring"].ConnectionString);
        conn.Open();
        int gidID = int.Parse(e.CommandArgument.ToString());
        string userID = Session["Uid"].ToString();
        string sql = "insert into Temp (Uid,Gid) values('"+userID+"','" + gidID + "')";
        SqlCommand cmd = new SqlCommand(sql, conn);
        int i = cmd.ExecuteNonQuery();
        if (i > 0)
        {
            Response.Write("<script>alert('添加成功')</script>");
        }
    }
   
}