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;
using?System.Data.SqlClient;
using?System.Data.OleDb;
using?System.Data.Odbc;


namespace?Supermarket_JTC
{
????public?partial?class?Form1?:?Form
????{
????????public?string?conStr?=?@“Data?Source=.\SQLEXPRESS;AttachDbFilename=E:\Supermarket_JTC\Supermarket_JTC\S-JTC.mdf;Integrated?Security=True;User?Instance=True“;
????????
????????public?int?flag?=?0;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????????????
????????????int?flag=?1;
????????????string?pass?=?null;
????????????if?（comboBox1.Text==?““?||?textBox1.Text==?““?||?textBox2.Text==?““）
????????????????label4.Visible?=?true;
?????????????else
????????????{
????????????????label4.Visible?=?false;
????????????????
????????????????SqlConnection?con?=?new?SqlConnection（）;
????????????????con.ConnectionString?=?conStr;
????????????????string?SQL?=?“select?*?from?Password?“;
????????????????con.Open（）;
????????????????DataSet?ds?=?new?DataSet（）;
????????????????SqlDataAdapter?da?=?new?SqlDataAdapter（SQL?con）;
????????????????da.Fill（ds“table_1“）;
????????????????con.Close（）;
????????????????DataTable?table=ds.Tables[“table_1“];
????????????????for（int?i=0;i????????????????{
????????????????????string?str1=（string）ds.Tables[“table_1“].Rows[i][“Wna“];//職稱
????????????????????string?str2=（string）ds.Tables[“table_1“].Rows[i][“Wno“];//工號
????????????????????string?str3=comboBox1?.Text;??//身份
????????????????????string?str4=textBox1.Text;????//賬戶
???????????????????
????????????????????if（str1.Substring（03）==str3&&str2==str4）
????????????????????{
??????????????????????????????????????????
????????????????????????pass=（string）ds.Tables[“table_1“].Rows[i][“password“];????????????????????????
????????????????????????flag=0;
????????????????????????
????????????????????}
????????????????}
????????????????if（pass==null）
???????????????????MessageBox.Show（“工號或職稱輸入錯誤“?“Error“）;????????????????????
?????????????????else
????????????????????if?（pass?==?textBox2.Text?&&?comboBox1.Text?==?“管理員“）
????????????????????{
????????????????????????Form2?child?=?new?Form2（conStr?textBox1.Text）;
????????????????????????textBox2.Text?=?““;
????????????????????????child.Show（）;
????????????????????}
????????????????????else
????????????????????????if?（pass?==?textBox2.Text?&&?comboBox1.Text?==?“收銀員“）
????????????????????????{
????????????????????????????Form3?child?=?new?Form3（conStr?textBox1.Text）;
????????????????????????????child.Show（）;
????????????????????????}
????????????????????????else
?????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????347190??2013-12-25?16:42??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\BackgroundPictures\01.jpg

?????文件??????23843??2013-12-30?22:19??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\BackgroundPictures\02.jpg

?????文件??????12269??2013-12-30?22:23??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\BackgroundPictures\03.jpg

?????文件??????11994??2014-01-01?11:35??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\BackgroundPictures\04.jpg

?????文件??????16731??2014-01-01?22:56??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\BackgroundPictures\05.jpg

?????文件??????48092??2013-12-31?17:30??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\BackgroundPictures\06.jpg

?????文件?????139266??2013-12-31?17:30??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\BackgroundPictures\09.jpg

?????文件??????48025??2013-12-31?17:29??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\BackgroundPictures\10.jpg

?????文件?????134258??2014-01-02?18:27??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\BackgroundPictures\11.jpg

?????文件????3145728??2014-01-03?10:45??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\bin\Debug\S-JTC.mdf

?????文件????1048576??2014-01-03?10:45??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\bin\Debug\S-JTC_log.ldf

?????文件?????622080??2014-01-03?11:34??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\bin\Debug\Supermarket_JTC.exe

?????文件?????130560??2014-01-03?11:34??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\bin\Debug\Supermarket_JTC.pdb

?????文件??????14328??2014-01-03?11:37??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\bin\Debug\Supermarket_JTC.vshost.exe

?????文件????????490??2009-06-11?05:14??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\bin\Debug\Supermarket_JTC.vshost.exe.manifest

?????文件???????4123??2014-01-02?23:04??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form1.cs

?????文件??????11219??2014-01-02?23:04??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form1.Designer.cs

?????文件?????593861??2014-01-02?23:04??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form1.resx

?????文件??????30072??2014-01-03?01:16??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form2.cs

?????文件?????103940??2014-01-03?01:16??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form2.Designer.cs

?????文件?????121024??2014-01-03?01:16??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form2.resx

?????文件??????15488??2014-01-03?12:39??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form3.cs

?????文件??????25930??2014-01-01?23:17??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form3.Designer.cs

?????文件??????74769??2014-01-01?23:17??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form3.resx

?????文件???????4523??2014-01-02?16:38??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form4.cs

?????文件???????9537??2014-01-02?16:38??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form4.Designer.cs

?????文件??????31235??2014-01-02?16:38??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form4.resx

?????文件???????8683??2014-01-02?14:46??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form7.cs

?????文件??????30324??2014-01-02?14:46??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form7.Designer.cs

?????文件???????5814??2014-01-02?14:46??C#課程設計-超市管理系統\Supermarket_JTC\Supermarket_JTC\Form7.resx

............此處省略51個文件信息