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;

namespace?Choose
{
????public?partial?class?Addcourse?:?Form
????{
????????public?Addcourse（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????string?cname?=?this.textBox1.Text;
????????????string?cno?=?this.textBox2.Text;
????????????string?cadress?=?this.textBox4.Text;
????????????SqlConnection?con?=?new?SqlConnection（“Data?Source=.;Initial?Catalog=ChooseClass;Integrated?Security=True“）;
????????????con.Open（）;
????????????try
????????????{
????????????????str

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-07-04?22:15??.vs\
?????目錄???????????0??2019-07-04?23:39??.vs\Choose\
?????目錄???????????0??2019-07-04?23:39??.vs\Choose\DesignTimeBuild\
?????文件?????????172??2019-07-04?23:39??.vs\Choose\DesignTimeBuild\.dtbcache
?????目錄???????????0??2019-07-04?22:15??.vs\Choose\v15\
?????文件??????109568??2019-07-04?23:39??.vs\Choose\v15\.suo
?????目錄???????????0??2019-07-04?22:15??.vs\Choose\v15\Server\
?????目錄???????????0??2019-07-04?22:15??.vs\Choose\v15\Server\sqlite3\
?????文件???????????0??2019-07-04?22:15??.vs\Choose\v15\Server\sqlite3\db.lock
?????文件????????4096??2019-07-04?22:15??.vs\Choose\v15\Server\sqlite3\storage.ide
?????文件???????32768??2019-07-04?22:15??.vs\Choose\v15\Server\sqlite3\storage.ide-shm
?????文件?????1487352??2019-07-04?23:38??.vs\Choose\v15\Server\sqlite3\storage.ide-wal
?????目錄???????????0??2019-07-04?23:38??Choose\
?????文件????????7433??2013-06-25?22:49??Choose\Addcourse.Designer.cs
?????文件????????1526??2013-06-25?22:49??Choose\Addcourse.cs
?????文件??????174472??2013-06-25?22:49??Choose\Addcourse.resx
?????文件???????10431??2013-06-26?00:00??Choose\Addstudent.Designer.cs
?????文件????????2142??2013-06-26?00:00??Choose\Addstudent.cs
?????文件??????174472??2013-06-26?00:00??Choose\Addstudent.resx
?????文件????????8716??2013-06-25?23:09??Choose\Addteacher.Designer.cs
?????文件????????1688??2013-06-25?23:09??Choose\Addteacher.cs
?????文件??????174472??2013-06-25?23:09??Choose\Addteacher.resx
?????文件????????5284??2013-06-25?23:10??Choose\Admin.Designer.cs
?????文件????????1421??2013-06-25?23:10??Choose\Admin.cs
?????文件????????5817??2013-06-25?23:10??Choose\Admin.resx
?????文件????????7020??2013-06-25?21:13??Choose\Choose.csproj
?????文件????????5403??2013-06-26?13:02??Choose\CourseManage.Designer.cs
?????文件????????2171??2013-06-26?13:02??Choose\CourseManage.cs
?????文件??????639858??2013-06-26?13:02??Choose\CourseManage.resx
?????文件???????10589??2019-07-04?22:57??Choose\Login.Designer.cs
?????文件????????4458??2019-07-04?23:38??Choose\Login.cs
............此處省略66個文件信息