Admin/Products/FrmSaleStat.cs

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using BLL;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;


namespace Admin
{
    public partial class FrmSaleStat : Form
    {
        private ProductManager objProductManager = new ProductManager();
        public FrmSaleStat()
        {
            InitializeComponent();
            this.dtpStart.Value = DateTime.Now.AddDays(-30.0);
            this.dtpEnd.Value = DateTime.Now;
            btnStat_Click(null, null);
        }
        //开始统计
        private void btnStat_Click(object sender, EventArgs e)
        {
            string beginTime = this.dtpStart.Value.ToShortDateString();
            string endTime = this.dtpEnd.Value.AddDays(1.0).ToShortDateString();
            this.dgvProductStat.DataSource = objProductManager.QuerySaleData(beginTime,endTime);
        }
        //显示行号
        private void dgvProductStat_RowPostPaint(object sender,
            DataGridViewRowPostPaintEventArgs e)
        {

        }
        //关闭窗口
        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void FrmSaleStat_FormClosing(object sender, FormClosingEventArgs e)
        {

        }
    }
}