list.aspx.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class news : System.Web.UI.Page
{
    DataPage dp = new DataPage();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            bind();
        }
    }

    /// <summary>
    /// 绑定
    /// </summary>
    private void bind()
    {
        string where = "  1=1  ";

        if (TextBox1.Text != "")
        {
            where += " and pname like '%" + TextBox1.Text + "%' ";
        }

        if (Request.QueryString["tid"] != null)
        {
            if (Request.QueryString["tid"] != "0")
            {
                where += " and a.tid=" + Request.QueryString["tid"];
            }
           
        }


        if (Request.QueryString["k"] != null)
        {
            if (Request.QueryString["k"] != "")
            {
                where += " and pname like '%" + Request.QueryString["k"] + "%' ";
            }
        }

        if (Request.QueryString["p1"] != null)
        {
            if (Request.QueryString["p1"] != "")
            {
                where += " and price >=" + Request.QueryString["p1"];
            }
        }