AdminManger/LiRunFenXi.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 AdminManger_LiRunFenXi : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void Button2_Click(object sender, EventArgs e)
    {
        try
        {
            string txttime = this.txttime.Value;
            string Text1 = this.Text1.Value;
            string sql = "select  sum(shuliang*CarPrice) as Zong  from [vb_OrderInfo] where OrderDate   between    '" + txttime + "' and  '" + Text1 + "'  ";
            SqlDataReader dr = data.GetDataReader(sql);
            if (dr.Read())
            {
                Label1.Text = dr["Zong"].ToString();
            }

            string sql1 = "select  sum(shuliang*JinHuoJia) as Zong  from [jinhuo] where AddTime   between    '" + txttime + "' and  '" + Text1 + "'  ";
            SqlDataReader dr1 = data.GetDataReader(sql1);
            if (dr1.Read())
            {
                Label2.Text = dr1["Zong"].ToString();
            }

            Label3.Text = Convert.ToString(float.Parse(Label1.Text) - float.Parse(Label2.Text));
            Label4.Text = "";
        }
        catch
        {
            Label4.Text = "当前时间段内不存在销售信息不能进行统计！";
        }
    }
}