tpnewslist.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 System.Data.SqlClient;
public partial class tpnewslist : System.Web.UI.Page
{
    public string lb, lbtxt, sql;
    protected void Page_Load(object sender, EventArgs e)
    {
        lb = Request.QueryString["lb"].ToString().Trim();
        switch (lb)
        {
            case "1":
                lbtxt = "校园浏览";
                break;
            case "2":
                lbtxt = "新闻视野";
                break;
            case "3":
                lbtxt = "校园资讯";
                break;
            case "4":
                lbtxt = "学术动态"; 
                break;
            case "5":
                lbtxt = "专题报道";
                break;
        }
        gvbind();
      
    }
    private void gvbind()
    {

    
        sql = "select * from tpxw where leibie='" + lbtxt + "' order by id desc";
        SqlConnection con = new SqlConnection(SqlHelper.connstring);

        con.Open();

        SqlDataAdapter sda = new SqlDataAdapter(sql, con);

        DataSet ds = new DataSet();
        sda.Fill(ds);
        PagedDataSource objPds = new PagedDataSource();
        objPds.DataSource = ds.Tables[0].DefaultView;

        objPds.AllowPaging = true;
        objPds.PageSize = 18;

        int CurPage;
        if (Request.QueryString["Page"] != null)
            CurPage = Convert.ToInt32(Request.QueryString["Page"]);