C# using??????? ?????÷?
???????????? ???????[ 2013/11/20 14:53:38 ] ????????
???????using?????????????
????3.1????????????IDisposeable???????????????????????????????????
?????磺
using(stringstrMsg="MyTest")
{
Debug.WriteLine(strMsg);//Can'tbecompiled
}
|
????3.2???????using???????????????飬?????????????????飬??????????????????????
SqlConnectionsqlConn=newSqlConnection(yourConnectionString);
objectobjConn=sqlConn;
using(objConn)
{
Debug.WriteLine(objConn.ToString());//Can'tbecompiled
}
|
???????????????????????“as”???????????????????????
SqlConnectionsqlConn=newSqlConnection(yourConnectionString);
objectobjConn=sqlConn;
using(objConnasIDisposable)
{
Debug.WriteLine(objConn.ToString());
}
|
????3.3???????????????????????????????????????????д??
using(SqlConnectionsqlConn=newSqlConnection(yourConnectionString))
using(SqlCommandsqlComm=newSqlCommand(yourQueryString??sqlConn))
{
sqlConn.Open();//Openconnection
//OperateDBhereusing"sqlConn"
sqlConn.Close();//Closeconnection
}
??
|
??????????????????????д?????
using(FontMyFont=newFont("Arial"??10.0f)??MyFont2=newFont("Arial"??10.0f))
{
//useMyFontandMyFont2
}//compilerwillcallDisposeonMyFontandMyFont2
|
????3.4??using???????????C#???????VB?????????????ж????????
????PS????C# using?????????????????????????????
???????????????????????漰???????????????????SPASVOС??(021-61079698-8054)?????????????????????????
??????
???????C#?е?StringC# Socket???????????????????C#?????????????????????????C#???????C#????????????Log4net??????δ????C#?????????????C#?????????????????C#???????????????C#????????????????C#7 ?е?Tuple??????C#??TypeScript - GeneratorC# ?????????細(xì)??????????C#?е???н???C#??MySQL?????????μ??Ч?????д??C#????C++??dll???C#??VS2010????е??????
???·???
??????????????????
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2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11????????
?????????App Bug???????????????????????Jmeter?????????QC??????APP????????????????app?????е????????jenkins+testng+ant+webdriver??????????????JMeter????HTTP???????Selenium 2.0 WebDriver ??????