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

namespace?subject
{
????class?DBconnection?
????{
????????public?static?SqlConnection?myconnection（）
????????{
????????????return?new?SqlConnection（“Server=Lenovo\\SQLEXPRESS;Database=hospital;Trusted_Connection=SSPI“）;
????????????//調(diào)用時輸入SqlConnection?conn?=myconnection（）;
????????}
????}
????
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-04-15?09:35??subject\
?????目錄???????????0??2017-04-17?20:06??subject\subject\
?????文件?????????863??2017-04-15?09:35??subject\subject.sln
?????文件???????26624??2017-04-20?22:05??subject\subject.suo
?????目錄???????????0??2017-04-15?09:35??subject\subject\bin\
?????目錄???????????0??2017-04-15?10:43??subject\subject\bin\Debug\
?????文件???????28672??2017-04-17?22:46??subject\subject\bin\Debug\subject.exe
?????文件???????71168??2017-04-17?22:46??subject\subject\bin\Debug\subject.pdb
?????文件???????11600??2017-04-20?22:04??subject\subject\bin\Debug\subject.vshost.exe
?????文件?????????490??2013-06-18?20:28??subject\subject\bin\Debug\subject.vshost.exe.manifest
?????文件?????????465??2017-04-16?23:42??subject\subject\Class1.cs
?????文件?????????458??2017-04-16?23:26??subject\subject\Class2.cs
?????文件????????2340??2017-04-17?22:46??subject\subject\Form1.cs
?????文件????????4184??2017-04-17?22:46??subject\subject\Form1.Designer.cs
?????文件????????5817??2017-04-17?22:46??subject\subject\Form1.resx
?????文件????????1019??2017-04-17?22:43??subject\subject\Form2.cs
?????文件????????3392??2017-04-17?22:43??subject\subject\Form2.Designer.cs
?????文件????????5817??2017-04-17?22:43??subject\subject\Form2.resx
?????文件????????3544??2017-04-17?22:46??subject\subject\Form3.cs
?????文件???????10260??2017-04-17?22:46??subject\subject\Form3.Designer.cs
?????文件????????5817??2017-04-17?22:46??subject\subject\Form3.resx
?????文件????????6843??2017-04-17?22:46??subject\subject\Form4.cs
?????文件???????16956??2017-04-17?22:46??subject\subject\Form4.Designer.cs
?????文件????????5817??2017-04-17?22:46??subject\subject\Form4.resx
?????文件????????1479??2017-04-17?22:46??subject\subject\Form5.cs
?????文件????????4305??2017-04-17?22:46??subject\subject\Form5.Designer.cs
?????文件????????5817??2017-04-17?22:46??subject\subject\Form5.resx
?????文件????????1701??2017-04-17?22:46??subject\subject\Form6.cs
?????文件????????4642??2017-04-17?22:46??subject\subject\Form6.Designer.cs
?????文件????????5817??2017-04-17?22:46??subject\subject\Form6.resx
?????目錄???????????0??2017-04-15?09:35??subject\subject\obj\
............此處省略32個文件信息