PlugNT CMS v4.6.3 调用文章上一页和下一页及点击数加1

using System;
using System.Data;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using PlugNT.Common;
using PlugNT.Cms.Custom;
using PlugNT.Cms.Model;
using PlugNT.Cms.BLL;
using PlugNT.Cms.Page;
using PlugNT.Cms.Utility;

public partial class _Newsinfo : SitePager
{

    protected int artId = 0;
    protected string prevlink = "";
    protected string nextlink = "";
    //资讯模型数据
    protected DataRow drInfo = null;
    protected void Page_Load(object sender, EventArgs e)
    {
        //id为1的资讯模型
        int sysModelId = 1;
        //或者根据栏目id调用模型
        //int sysModelId = Channel.GetSysModelId(1);
        int.TryParse(Request["id"] as string, out artId);
        if (artId==0)
        {
            PageHelper.ShowError(this.Context, "参数错误！");
            return;
        }

        Article bllArticle = new Article();
        drInfo = bllArticle.GetDataRow(sysModelId, artId);
        if (drInfo == null)
        {
            PageHelper.ShowError(this.Context, "查看的内容不存在！");
            return;
        }

        //点击数加1
        ArticleInfo info = new ArticleInfo();
        info.id = artId;
        info.SetExtField("hits", Type_Field.integerType, "hits+1");
        bllArticle.UpdateData(sysModelId, info);

        //上一页
        string[] arrPrevLink = Article.GetArray(sysModelId, "id,title", " and id<" + artId + " and [channel_id]=" + drInfo["channel_id"].ToString() + " order by id desc");
        if (arrPrevLink == null)
        {
            prevlink = "没有了";
        }
        else
        {
            //获取真实字符数
            int lenLink=Utils.GetStringLength(arrPrevLink[1]);
            string strLink=lenLink>30?Utils.CutLenString(arrPrevLink[1],28)+"...":arrPrevLink[1];
            prevlink = string.Format("<a href='/newsinfo.aspx?id={0}' title='{1}'>{2}</a>", arrPrevLink[0], arrPrevLink[1], strLink);
        }

        //下一页
        string[] arrNextLink = Article.GetArray(sysModelId, "id,title", " and id>" + artId + " and [channel_id]=" + drInfo["channel_id"].ToString() + " order by id asc");
        if (arrNextLink == null)
        {
            nextlink = "没有了";
        }
        else
        {
            //获取真实字符数
            int lenLink = Utils.GetStringLength(arrNextLink[1]);
            string strLink = lenLink > 30 ? Utils.CutLenString(arrNextLink[1], 28) + "..." : arrNextLink[1];
            nextlink = string.Format("<a href='/newsinfo.aspx?id={0}' title='{1}'>{2}</a>", arrNextLink[0], arrNextLink[1], strLink);
        }

    }


}