winform+SQL 的超市管理

超市管理系统，模拟其他实例制作，界面有点雷同，但是代码不一样。只要用于初学者掌握winform 的控件的应用，SQL的数据库操作

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Wingtech.SuperMarket.baseFunction;

namespace Wingtech.SuperMarket
{
    public partial class CompanyInfo : Form
    {
        private string strCompanyId = ““;
        private int intConditionType = 0;      //查询条件： 供应商名称=0   负责人姓名=1 
        private int flagtoolBtnType = 0;   //工具栏按钮按下的状态类型 ：无选择按钮=0  添加=1  修改=2  删除=3
        public CompanyInfo（）
        {
            InitializeComponent（）;
            this.Load += CompanyInfo_Load;
            cbxCondition.SelectedIndexChanged += CbxCondition_SelectedIndexChanged;
      

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..A..H.     82944  2019-01-07 18:02  Wingtech.SuperMarket\.vs\Wingtech.SuperMarket\v15\.suo

     文件        207  2018-12-25 16:58  Wingtech.SuperMarket\Wingtech.SuperMarket\App.config

     文件       3075  2018-12-29 14:56  Wingtech.SuperMarket\Wingtech.SuperMarket\baseFunction\CompanyMethod.cs

     文件       3145  2018-12-28 23:35  Wingtech.SuperMarket\Wingtech.SuperMarket\baseFunction\EmployeeMethod.cs

     文件       1345  2019-01-07 16:53  Wingtech.SuperMarket\Wingtech.SuperMarket\baseFunction\FindGoodsMethod.cs

     文件       2838  2019-01-04 18:45  Wingtech.SuperMarket\Wingtech.SuperMarket\baseFunction\JHGoodMethod.cs

     文件     161955  2018-12-25 16:12  Wingtech.SuperMarket\Wingtech.SuperMarket\baseFunction\SqlHelper.cs

     文件     570368  2019-01-07 17:56  Wingtech.SuperMarket\Wingtech.SuperMarket\bin\Debug\Wingtech.SuperMarket.exe

     文件        207  2018-12-25 16:58  Wingtech.SuperMarket\Wingtech.SuperMarket\bin\Debug\Wingtech.SuperMarket.exe.config

     文件     175616  2019-01-07 17:56  Wingtech.SuperMarket\Wingtech.SuperMarket\bin\Debug\Wingtech.SuperMarket.pdb

     文件       7261  2018-12-29 17:55  Wingtech.SuperMarket\Wingtech.SuperMarket\CompanyInfo.cs

     文件      21451  2018-12-29 15:44  Wingtech.SuperMarket\Wingtech.SuperMarket\CompanyInfo.Designer.cs

     文件      13192  2018-12-29 15:44  Wingtech.SuperMarket\Wingtech.SuperMarket\CompanyInfo.resx

     文件       8542  2019-01-07 17:53  Wingtech.SuperMarket\Wingtech.SuperMarket\database\SQL.sql

     文件       1612  2019-01-07 16:17  Wingtech.SuperMarket\Wingtech.SuperMarket\EmployeeDetail.cs

     文件       4099  2019-01-07 16:17  Wingtech.SuperMarket\Wingtech.SuperMarket\EmployeeDetail.Designer.cs

     文件       6022  2019-01-07 16:17  Wingtech.SuperMarket\Wingtech.SuperMarket\EmployeeDetail.resx

     文件      11270  2019-01-07 16:19  Wingtech.SuperMarket\Wingtech.SuperMarket\EmpoyeeInfo.cs

     文件      25298  2019-01-07 16:19  Wingtech.SuperMarket\Wingtech.SuperMarket\EmpoyeeInfo.Designer.cs

     文件       7323  2019-01-07 16:19  Wingtech.SuperMarket\Wingtech.SuperMarket\EmpoyeeInfo.resx

     文件       1635  2019-01-07 17:01  Wingtech.SuperMarket\Wingtech.SuperMarket\FindGoods.cs

     文件       7941  2019-01-07 16:53  Wingtech.SuperMarket\Wingtech.SuperMarket\FindGoods.Designer.cs

     文件       7105  2019-01-07 16:53  Wingtech.SuperMarket\Wingtech.SuperMarket\FindGoods.resx

     文件       9126  2019-01-07 16:19  Wingtech.SuperMarket\Wingtech.SuperMarket\JHGoodInfo.cs

     文件      31606  2019-01-07 16:19  Wingtech.SuperMarket\Wingtech.SuperMarket\JHGoodInfo.Designer.cs

     文件      13870  2019-01-07 16:19  Wingtech.SuperMarket\Wingtech.SuperMarket\JHGoodInfo.resx

     文件       2076  2019-01-07 09:04  Wingtech.SuperMarket\Wingtech.SuperMarket\Login.cs

     文件       3853  2018-12-25 21:02  Wingtech.SuperMarket\Wingtech.SuperMarket\Login.Designer.cs

     文件       5817  2018-12-25 21:02  Wingtech.SuperMarket\Wingtech.SuperMarket\Login.resx

     文件       1934  2019-01-07 17:47  Wingtech.SuperMarket\Wingtech.SuperMarket\Main.cs

............此处省略67个文件信息