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;

public partial class gwc : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["temp"] == null)
        {
            Random rnd = new Random();
            int n = rnd.Next(1000, 9999);
            string newname = DateTime.Now.Year.ToString().Trim() + DateTime.Now.Month.ToString().Trim() + DateTime.Now.Day.ToString().Trim() + DateTime.Now.Hour.ToString().Trim() + DateTime.Now.Minute.ToString().Trim() + DateTime.Now.Second.ToString().Trim() + n.ToString().Trim();

            Session["temp"] = newname;
        }
        if (!IsPostBack)
        {

            string sql;
            sql = "select * from goumaijilu where goumairen ='" + Session["temp"].ToString().Trim() + "' order by id desc";
            getdata(sql);
        }
    }

    private void getdata(string sql)
    {
        DataSet result = new DataSet();
        result = new Class1().hsggetdata(sql);
        if (result != null)
        {

            if (result.Tables[0].Rows.Count > 0)
            {
                DataGrid1.DataSource = result.Tables[0];
                DataGrid1.DataBind();
                Label1.Text = "以上数据中共" + result.Tables[0].Rows.Count + "条";
            }
            else
            {
                DataGrid1.DataSource = null;
                DataGrid1.DataBind();
                Label1.Text = "暂无任何数据";
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string sql;
        sql = "select * from goumaijilu where goumairen ='" + Session["temp"].ToString().Trim() + "'";
        if (bianhao.Text.ToString().Trim() != "") { sql = sql + " and bianhao like '%" + bianhao.Text.ToString().Trim() + "%'"; } 
        if (mingcheng.Text.ToString().Trim() != "") { sql = sql + " and mingcheng like '%" + mingcheng.Text.ToString().Trim() + "%'"; }
        sql = sql + " order by id desc";

        getdata(sql);
    }

    protected void DataGrid1_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
    {
        string sql;
        sql = "select * from goumaijilu where goumairen ='" + Session["temp"].ToString().Trim() + "' order by id desc";
        getdata(sql);
        DataGrid1.CurrentPageIndex = e.NewPageIndex;
        DataGrid1.DataBind();
    }
    public string riqigeshi(object str)
    {
        string strTmp = str.ToString();
        DateTime dt = Convert.ToDateTime(strTmp);
        string ss = dt.ToShortDateString();
        return ss;

    }
}