lr.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;

public partial class lr : System.Web.UI.Page
{
    public string nnn;
    public double xsze,jhze;

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            string sql;
            sql = "select * from xiaoshoujilu order by id desc";
            getdata(sql);
            sql = "select * from jinhuojilu order by id desc";
            getdata2(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();
                xsze = 0;
                int i = 0;
                for (i = 0; i < result.Tables[0].Rows.Count; i++)
                {
                    xsze = xsze + float.Parse(result.Tables[0].Rows[i]["shoujia"].ToString().Trim()) * float.Parse(result.Tables[0].Rows[i]["xiaoshoushuliang"].ToString().Trim());
                }
                nnn = "以上数据中销售记录共" + result.Tables[0].Rows.Count + "条，共计售出总额" + xsze.ToString().Trim() + "元";
            }
            else
            {
                DataGrid1.DataSource = null;
                DataGrid1.DataBind();
                nnn = "销售暂无任何数据";
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string sql;
        sql = "select * from xiaoshoujilu where 1=1";