添加退货商品.cs

用C#实现超市的管理

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Yewucheng;
namespace Myproject
{
    public partial class 添加退货商品 : Form
    {
        public 添加退货商品()
        {
            InitializeComponent();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            退货 tianjie = new 退货(this);
            tianjie.Show();

           

            
            }

        private void 添加退货商品_Load(object sender, EventArgs e)
        {
            wang selectment = new wang();
            DataSet ds = selectment.SelectMand("select  *from SouXuanshanp ");
            this.dataGridView2.DataSource = ds.Tables[0].DefaultView;

        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            wang selectMand = new wang();
            DataSet ds = selectMand.SelectMand("select *from Tuihousp");
            this.dbgname2.DataSource = ds.Tables[0].DefaultView;

 
        }

        private void button1_Click(object sender, EventArgs e)
        {
            wang shanchu = new wang();
            shanchu.DeleteMand("delete Tuihousp where 商品编号='"+this.txt1.Text+"'");
            MessageBox.Show("删除一行记录成功","系统消息");

            DataSet ds = shanchu.SelectMand("select *from Tuihousp");
            this.dbgname2.DataSource = ds.Tables[0].DefaultView;

        }

       

      


        
    }
}