ht_booklist.aspx.cs

一个简单的网上书店

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.Collections.Generic;
using Model;
using BLL;
using BLL.interfaces;

public partial class ht_booklist : System.Web.UI.Page
{
    IBook bookMessage = Factory.greatBook();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            ViewState["counts"] = bookMessage.count();
            show(null,null);
        }
    }

    private void show(string mothed, string cruutenPager)
    {
        List<Book> list = new List<Book>();
        IPage pagerMessage = Factory.greatPager();
        Model.Page pager = pagerMessage.getPager(cruutenPager, mothed, (int)ViewState["counts"]);
        lblcruutenPager.Text = pager.getCurrentPage().ToString();
        lblcPagers.Text = pager.getTotalPages().ToString();
        list = bookMessage.SeachBook("", pager,"",null,"");
        if (list == null)
            Response.Redirect("error.aspx");
        gdvbooks.DataSource = list;
        gdvbooks.DataBind();
    }
    protected void btnFisrt_Click(object sender, ImageClickEventArgs e)
    {
        show("first", null);
    }
    protected void ImageButton2_Click(object sender, ImageClickEventArgs e)
    {
        show("previous", null);
    }
    protected void ImageButton3_Click(object sender, ImageClickEventArgs e)
    {
        show("next", null);
    }
    protected void ImageButton4_Click(object sender, ImageClickEventArgs e)
    {
        show("last", null);
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string cupager = txtcrupager.Text;
        string counts = txtcrupager.Text;
        if (int.Parse(cupager) < int.Parse(counts))
        {
            show(null, cupager);
        }
    }
    protected void btnDel_Click(object sender, EventArgs e)
    {
        List<string> lst = new List<string>();
        for (int i = 0; i < gdvbooks.Rows.Count; i++)
        {
            CheckBox ckb = gdvbooks.Rows[i].FindControl("cbh") as CheckBox;
            if (ckb.Checked == true)
            {
                HiddenField hdfd = gdvbooks.Rows[i].FindControl("HiddenField1") as HiddenField;
                lst.Add(hdfd.Value);
            }
        }

        if (bookMessage.delBook(lst))
        {
            show(null, lblcruutenPager.Text.Trim());
        }
        else
        {
            Response.Redirect("error.aspx");
        }
    }
    protected void Button2_Command(object sender, CommandEventArgs e)
    {
        if (e.CommandName == "kk")
            Response.Redirect("updateBook.aspx?id=" + e.CommandArgument.ToString());
    }
    protected void Button3_Click(object sender, EventArgs e)
    {
        string lst = null;
        int id = int.Parse(DropDownList1.SelectedValue);
        for (int i = 0; i < gdvbooks.Rows.Count; i++)
        {
            CheckBox ckb = gdvbooks.Rows[i].FindControl("cbh") as CheckBox;
            if (ckb.Checked == true)
            {
                HiddenField hdfd = gdvbooks.Rows[i].FindControl("HiddenField1") as HiddenField;
                 lst += (hdfd.Value)+",";
            }
        }

        if (bookMessage.typeBook(lst.Substring(0, lst.Length - 1), id))
        {
            show(null, lblcruutenPager.Text.Trim());
        }
        else
        {
            Response.Redirect("error.aspx");
        }
    }
}