using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;

using?System.Data;
using?System.Data.SqlClient;
namespace?SuperMarket
{
????class?DBHelper
????{
????????//?數(shù)據(jù)庫(kù)連接字符串
????????private?string?connString?=?@“Data?Source=localhost;Initial?Catalog=SuperMarket;User?ID=sa;Pwd=bdqn“;

????????//?數(shù)據(jù)庫(kù)連接?Connection?對(duì)象
????????private?SqlConnection?connection;

????????///?

????????///?Connection對(duì)象
????????///?

????????public?SqlConnection?Connection
????????{
????????????get
????????????{
????????????????if?（connection?==?null）
????????????????{
????????????????????connection?=?new?SqlConnection（connString）;
????????????????}
????????????????return?connection;
????????????}
????????}

????????///?

??????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????3145728??2006-01-02?05:47??素材和數(shù)據(jù)庫(kù)\DB\SuperMarket.mdf

?????文件????2883584??2006-01-02?05:47??素材和數(shù)據(jù)庫(kù)\DB\SuperMarket_log.ldf

?????文件???????1049??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\48policies.jpg

?????文件???????1047??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\48roles.jpg

?????文件???????3602??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\add.png

?????文件??????61365??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\Azul.jpg

?????文件???????4213??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\delete.png

?????文件???????3597??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\exit.png

?????文件???????5202??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\pig.jpg

?????文件???????4385??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\pig_story.jpg

?????文件???????4347??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\search.png

?????文件???????4408??2006-01-02?05:31??素材和數(shù)據(jù)庫(kù)\圖片\update.png

?????文件??????48936??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\bin\Debug\password.chm

?????文件??????87552??2012-05-12?14:53??演示案例\超市商品管理系統(tǒng)\SuperMarket\bin\Debug\SuperMarket.exe

?????文件?????120320??2012-05-12?14:53??演示案例\超市商品管理系統(tǒng)\SuperMarket\bin\Debug\SuperMarket.pdb

?????文件??????14328??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\bin\Debug\SuperMarket.vshost.exe

?????文件????????490??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\bin\Debug\SuperMarket.vshost.exe.manifest

?????文件???????1573??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\DBHelper.cs

?????文件????????367??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmAbout.cs

?????文件???????2371??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmAbout.Designer.cs

?????文件???????5814??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmAbout.resx

?????文件???????4501??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmChangePwd.cs

?????文件???????6601??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmChangePwd.Designer.cs

?????文件???????5814??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmChangePwd.resx

?????文件???????8380??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmEditCommodity.cs

?????文件??????10693??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmEditCommodity.Designer.cs

?????文件???????5814??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmEditCommodity.resx

?????文件???????6814??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmEditSort.cs

?????文件???????4349??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmEditSort.Designer.cs

?????文件???????5814??2006-01-02?05:31??演示案例\超市商品管理系統(tǒng)\SuperMarket\FrmEditSort.resx

............此處省略67個(gè)文件信息