index.aspx.cs

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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;

public partial class index : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if(Convert.ToInt32(Request.QueryString["errMsg"]) == 1)
        {
            cartEmptyMsg.Visible = true;
        }
        if(!IsPostBack)
        {
            Session["cartName"] = Session.SessionID;
            DataListDataBind();
        }
    }
    
    protected void DataListDataBind()
    {
        AccessDataSource ads=new AccessDataSource();
        ads.DataFile="~/App_data/mystore.mdb";
        ads.SelectCommand = "SELECT * FROM [Product] ORDER BY [productid] ASC";
        DataView dv = (DataView)ads.Select(DataSourceSelectArguments.Empty);
        PagedDataSource objPage = new PagedDataSource();
        objPage.DataSource = dv;
        objPage.AllowPaging = true;
        objPage.PageSize = 6;
        int TolPage;
        TolPage = objPage.PageCount;
        int CurPage;
        if (Request.QueryString["Page"] != null)
        {
            CurPage = Convert.ToInt32(Request.QueryString["Page"]);
        }
        else
        {
            CurPage = 1;
        }
        objPage.CurrentPageIndex = CurPage - 1;
        lblCurPage.Text = "目前在第 " + CurPage.ToString() + " 页，共 " + TolPage.ToString() + " 页";
        lnkFirst.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=1";
        lnkLast.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + TolPage.ToString();
        if (!objPage.IsFirstPage)
        {
            lnkPrev.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurPage - 1);
        }
        else
        {
            lnkPrev.Visible = false;
            lnkFirst.Visible = false;
        }