ChuckLu - 博客园

2019年5月8日

User control's property loses value after a postback

摘要： User control's property loses value after a postback All variables (and controls) are disposed at the end of the page's lifecycle. So you need a way t 阅读全文

posted @ 2019-05-08 18:31 ChuckLu 阅读(138) 评论(0) 推荐(0)

share memory cache across multi web application

摘要： Single instance of a MemoryCache across multiple application pools on the same server [duplicate] You could create a separate Web Api project and host 阅读全文

posted @ 2019-05-08 17:22 ChuckLu 阅读(547) 评论(0) 推荐(0)

Losing session data in ASP.NET

摘要： Losing session data in ASP.NET By default Response.Redirect terminates thread execution and there might be a race conditions in setting session variab 阅读全文

posted @ 2019-05-08 17:14 ChuckLu 阅读(197) 评论(0) 推荐(0)

What is the difference between UserControl, WebControl, RenderedControl and CompositeControl?

摘要： What is the difference between UserControl, WebControl, RenderedControl and CompositeControl? UserControl: A custom control, ending in .ascx, that is 阅读全文

posted @ 2019-05-08 16:11 ChuckLu 阅读(194) 评论(0) 推荐(0)

如何查看自增长以及重置自增长

摘要： how to get the next autoincrement value in sql 回答1 To get the next auto-increment value from SQLServer : This will fetch the present auto-increment va 阅读全文

posted @ 2019-05-08 14:57 ChuckLu 阅读(423) 评论(0) 推荐(0)

如何查看red gate安装时的log

摘要：安装界面，点击左上角的log open log file C:\Users\clu\AppData\Local\Temp\{69EEB6B0-A9AD-4BD4-8231-92C992F1FF05}\RedGate.Logfile.txt use verbose logging 应该是会提供更详细的阅读全文

posted @ 2019-05-08 10:03 ChuckLu 阅读(275) 评论(0) 推荐(0)

2019年5月7日

hasvalue vs !=null

摘要： Which is preferred: Nullable<T>.HasValue or Nullable<T> != null? The compiler replaces null comparisons with a call to HasValue, so there is no real d 阅读全文

posted @ 2019-05-07 18:48 ChuckLu 阅读(661) 评论(0) 推荐(0)

Procedure or function 'pu_usr_User' expects parameter '@WhiteIp', which was not supplied.

摘要：遇到这个问题，是因为存储过程的参数，设置默认值写错了。错误写法 @WhiteIp NVARCHAR(MAX) NULL, Stored procedure with default parameters I wrote with parameters that are predefined The 阅读全文

posted @ 2019-05-07 11:11 ChuckLu 阅读(581) 评论(0) 推荐(0)

2019年5月6日

What size do you use for varchar(MAX) in your parameter declaration?

摘要： What size do you use for varchar(MAX) in your parameter declaration? In this case you use -1. See also MSDN docs: msdn.microsoft.com/en-us/library/bb3 阅读全文

posted @ 2019-05-06 17:43 ChuckLu 阅读(391) 评论(0) 推荐(0)

2019年4月30日

GEEK UNINSTALLER

摘要： geek.exe https://geekuninstaller.com/download Event log message indicates that the Windows Installer reconfigured all installed applications Product: 阅读全文

posted @ 2019-04-30 19:34 ChuckLu 阅读(737) 评论(0) 推荐(0)

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