DS7/DSWeb/box/boxReport3.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using WebSqlHelper;
using System.IO;

namespace DSWeb.box
{
    public partial class boxReport3 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                createdata();
            }
        }

        protected void createdata()
        {
            grid.DataSource = retable();
            grid.DataBind();
        }

        protected DataTable retable()
        {
            DataTable dt = new DataTable();
            string rday = "";
            try
            {
                rday = BaseClass.db.GetSqlStrScalar("select deadline1 from sys_remind").ToString();
            }
            catch { }
            if (!string.IsNullOrEmpty(rday) && rday != "0")
            {

                dt = BaseClass.db.GetSqlStrTable("select cntrid,cntrno,(select shortname from info_client where codename=cntrowner)as cntrowner,cntype,cnsource,convert(varchar(10),buytime,120) as buytime,convert(varchar(10),rent_begintime,120) as rent_begintime,convert(varchar(10),rent_endtime,120) as rent_endtime,(case when status=1 then '可用' when status=2 then '已用' when status=3 then '维修' when status=4 then '停用' end) as status,(select cname from code_disport where portid=position) as positionname from container_info where datediff(dd,rent_endtime,'" + DateTime.Now.ToString() + "')<=" + rday);
            }
            return dt;
        }

        protected void ibsave_Click(object sender, ImageClickEventArgs e)
        {
            grid.DataSource = retable();
            grid.DataBind();
            if (grid.Rows.Count <= 0)
            {
                return;
            }


            grid.Attributes.Add("style", "vnd.ms-excel.numberformat:@");
            Response.ClearContent();
            Response.Buffer = false;
            Response.Charset = "GB2312";
            Response.AddHeader("content-disposition", "attachment; filename=excel.xls");
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
            Response.ContentType = "application/excel";
            this.EnableViewState = false;

            StringWriter sw = new StringWriter();
            HtmlTextWriter htw = new HtmlTextWriter(sw);

            grid.RenderControl(htw);
            Response.Write(sw.ToString());

            Response.End();
        }
        public override void VerifyRenderingInServerForm(Control control)
        {
            //base.VerifyRenderingInServerForm(control);
        }
    }
}