managenews.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 admin_ManageNews : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["adminAccount"] != null)
        {
            if (Session["adminAccount"] != "")
            {

            }
            else
            {
                Response.Redirect("adminErr.aspx?errMsg=没有登陆或者登陆超时.<a href='adminlogin.aspx'>现在登陆</a>");
            }
        }
        else
        {
            Response.Redirect("adminErr.aspx?errMsg=没有登陆或者登陆超时.<a href='adminlogin.aspx'>现在登陆</a>");
        }
        int classId = 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]=" + classId + " And B.[ClassType]=0 Order By A.[NewsId] DESC";

        WebConfig.CreateCon();
        OleDbDataAdapter da = new OleDbDataAdapter(sql, WebConfig.con);
        DataSet ds = new DataSet();
        da.Fill(ds);
        if (ds.Tables[0].Rows.Count > 0)
        {
            this.Label3.Text=ds.Tables[0].Rows[0]["ClassName"].ToString();
            PagedDataSource pds = new PagedDataSource();
            pds.DataSource = ds.Tables[0].DefaultView;

            pds.AllowPaging = true;
            pds.PageSize = Convert.ToInt32(Application["ProductListPageSize"]);
            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() + "条新闻</a>&nbsp;&nbsp;";
            this.Label2.Text += "<a>分" + pds.PageCount.ToString() + "页</a>&nbsp;&nbsp;";
            this.Label2.Text += "<a>第" + curPage.ToString() + "页</a>&nbsp;&nbsp;";
            //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>&nbsp;&nbsp;";
            }
            else
            {
                this.Label2.Text += "<a href='ManageNews.aspx?ClassId=" + classId.ToString() + "&page=" + (curPage - 1).ToString() + "'>上一页</a>&nbsp;&nbsp;";
            }
            if (curPage == pds.PageCount)
            {
                this.Label2.Text += "<a>下一页</a>";
            }
            else
            {
                this.Label2.Text += "<a href='ManageNews.aspx?ClassId=" + classId.ToString() + "&page=" + (curPage + 1).ToString() + "'>下一页</a>";
            }
        }
        else
        {
            this.Label1.Text = "当前分类没有新闻";
        }
        ds.Dispose();
        da.Dispose();
        WebConfig.CloseCon();
    }
}