ProductList.aspx.cs
资源名称:SHOPASP.rar [点击查看]
上传用户:xiecaij
上传日期:2015-02-08
资源大小:2016k
文件大小:2k
源码类别:
百货/超市行业
开发平台:
ASP/ASPX
- using System;
- using System.Collections;
- using System.ComponentModel;
- using System.Data;
- using System.Drawing;
- using System.Web;
- using System.Web.SessionState;
- using System.Web.UI;
- using System.Web.UI.WebControls;
- using System.Web.UI.HtmlControls;
- namespace eshop
- {
- /// <summary>
- /// ProductList 的摘要说明。
- /// </summary>
- public class ProductList : System.Web.UI.Page
- {
- protected System.Web.UI.WebControls.Label PageCount;
- protected System.Web.UI.WebControls.DropDownList page;
- protected System.Web.UI.HtmlControls.HtmlForm form1;
- protected System.Web.UI.WebControls.Repeater products;
- //页的大小
- private static int PageSize = 5;
- private void Page_Load(object sender, System.EventArgs e)
- {
- if (!Page.IsPostBack)
- {
- //显示第一页的记录
- ShowResult(0, PageSize);
- }
- }
- void ShowResult(int pageIndex, int pageSize)
- {
- //绑定Repeater控件
- products.DataSource = BLL.Product.GetProductsByCategory(int.Parse(Request.QueryString["categoryId"]),
- pageSize, pageIndex);
- products.DataBind();
- //调用Product类中的方法获得该类商品的总数
- int resultCount = BLL.Product.GetProductCountByCategory(int.Parse(Request.QueryString["categoryId"]));
- int count;
- //如果查询结果总数是页大小的整数倍
- if (resultCount%PageSize == 0)
- {
- count = resultCount/PageSize;
- PageCount.Text = count.ToString();
- }
- else
- {
- count = resultCount/PageSize+1;
- PageCount.Text = count.ToString();
- }
- page.Items.Clear();
- //绑定页码到DropDownList控件
- for(int i=0; i<count; i++)
- {
- ListItem item = new ListItem((i+1).ToString(), i.ToString());
- page.Items.Add(item);
- }
- page.SelectedIndex = pageIndex;
- }
- #region Web 窗体设计器生成的代码
- override protected void OnInit(EventArgs e)
- {
- //
- // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
- //
- InitializeComponent();
- base.OnInit(e);
- }
- /// <summary>
- /// 设计器支持所需的方法 - 不要使用代码编辑器修改
- /// 此方法的内容。
- /// </summary>
- private void InitializeComponent()
- {
- this.page.SelectedIndexChanged += new System.EventHandler(this.page_SelectedIndexChanged);
- this.Load += new System.EventHandler(this.Page_Load);
- }
- #endregion
- private void page_SelectedIndexChanged(object sender, System.EventArgs e)
- {
- ShowResult(page.SelectedIndex, PageSize);
- }
- }
- }