news_list.aspx.cs

大家一起研究研究,全部都是开源的CSHARP代码.带数据库的

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.Data.OleDb;

public partial class News_List : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            int proClassId = Convert.ToInt32(Request.QueryString["ClassId"]);
            string sql = "Select Top 10 A.*,B.* From [NcNews] As A Left Join [NcClass] As B On A.[NewsClassId]=B.[ClassId] Where A.[NewsClassId]=" + proClassId + " And B.[ClassType]=0 Order By A.[NewsId] DESC";
            string sql1 = "Select * From [NcClass] Where [CLassId]=" + proClassId;
            WebConfig.CreateCon();
            OleDbDataAdapter daa = new OleDbDataAdapter(sql, WebConfig.con);
            DataSet ds1 = new DataSet();
            daa.Fill(ds1);
            this.Head1.Title=ds1.Tables[0].Rows[0]["ClassName"].ToString()+"--"+Application["webName"].ToString();
            this.Label1.Text = ds1.Tables[0].Rows[0]["ClassName"].ToString();
            OleDbDataAdapter da = new OleDbDataAdapter(sql, WebConfig.con);
            DataSet ds = new DataSet();
            da.Fill(ds);
            if (ds.Tables[0].Rows.Count > 0)
            {
                PagedDataSource pds = new PagedDataSource();
                pds.DataSource = ds.Tables[0].DefaultView;
                
                pds.AllowPaging = true;
                pds.PageSize = Convert.ToInt32(Application["newsListPageSize"]);
                int curPage;

                if (Request.QueryString["page"] != null)
                {
                    curPage = Convert.ToInt32(Request.QueryString["page"]);
                }
                else
                {
                    curPage = 1;
                }

                pds.CurrentPageIndex = curPage - 1;
                this.Repeater1.DataSource = pds;
                this.Repeater1.DataBind();
                this.Label2.Text += "<a>共有" + ds.Tables[0].Rows.Count.ToString() + "条信息</a>";
                this.Label2.Text += "<a>分" + pds.PageCount.ToString() + "页</a>";
                this.Label2.Text += "<a>第" + curPage.ToString() + "页</a>";
                //this.LbNewsCount.Text = ds.Tables[0].Rows.Count.ToString();
                //this.LbPageCount.Text = pds.PageCount.ToString();
                //this.LbCurPage.Text = curPage.ToString();
                if (curPage == 1)
                {
                    this.Label2.Text += "<a>上一页</a>";
                }
                else
                {
                    this.Label2.Text += "<a href='Cipher_List_" + proClassId.ToString() + "_" + (curPage - 1).ToString() + ".aspx'>上一页</a>";
                }
                if (curPage == pds.PageCount)
                {
                    this.Label2.Text += "<a>下一页</a>";
                }
                else
                {
                    this.Label2.Text += "<a href='Cipher_List_" + proClassId.ToString() + "_" + (curPage + 1).ToString() + ".aspx'>下一页</a>";
                } 
            }
            ds.Dispose();
            da.Dispose();
            WebConfig.CloseCon();
        }
    }
}