shownews.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;
using GROUP.Manage;

public partial class shownews1 : System.Web.UI.Page
{
    BaseClass BaseClass1 = new BaseClass();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack) getGoods();

    }
    private void getGoods()
    {
        //获取数据
        string strsql = "select  * from 新闻信息 where 新闻类别 like '" + Request.Params["id"].ToString() + "' order by  流水号 desc";
        DataTable dt = BaseClass1.ReadTable(strsql);

        //实现分页
        PagedDataSource objPds = new PagedDataSource();
        objPds.DataSource = dt.DefaultView;
        objPds.AllowPaging = true;
        objPds.PageSize = 12;
        int CurPage = Convert.ToInt32(this.LabelPage.Text);
        objPds.CurrentPageIndex = CurPage - 1;
        if (objPds.CurrentPageIndex < 0)
        {
            objPds.CurrentPageIndex = 0;
        }

        //只有一页时禁用上页、下页按钮
        if (objPds.PageCount == 1)
        {
            LinkButtonPrev.Enabled = false;
            LinkButtonNext.Enabled = false;
        }
        else//多页时
        {
            //为第一页时
            if (CurPage == 1)
            {
                LinkButtonPrev.Enabled = false;
                LinkButtonNext.Enabled = true;
            }
            //是最后一页时
            if (CurPage == objPds.PageCount)
            {
                LinkButtonPrev.Enabled = true;
                LinkButtonNext.Enabled = false;
            }
        }