Web/admin/tour/Manage2.aspx.cs

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

public partial class books_List : System.Web.UI.Page
{
    UBW.BLL.books bll = new UBW.BLL.books();


    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            btnDelete.Attributes.Add("onclick", "return confirm(\"你确认要删除吗？\")");
            DataSet dstid = new UBW.BLL.bookType().GetAll();
        ddltid.DataSource = dstid;
        ddltid.DataTextField = "tname";
        ddltid.DataValueField = "tid";
        ddltid.DataBind();
        ddltid.Items.Insert(0, new ListItem("---全部---", ""));


            bind();
        }
    }

    // 绑定
    private void bind()
    {       
        string where = "  price=0 ";

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

        if (ddltid.SelectedValue!= "")
        {
            where += " and a.tid=" + ddltid.SelectedValue + "";
        }



        GridView1.DataSource = bll.GetData("a.*,case a.flag when 1 then '<font color=red>已通过</font>' when 2 then '未通过' else '未审核' end as flagname, tname", where + " order by bid desc");
        GridView1.DataBind();

    }

    /// <summary>
    /// 分页事件
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        bind();