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You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  You create a Web form by using ASP.NET AJAX.  You write the following client-script code fragment to handle the exceptions thrown from asynchronous  postbacks. (Line numbers are included for reference only.)  01   02 function pageLoad()  03 {  04 var pageMgr =  05 Sys.WebForms.PageRequestManager.getInstance();  06  07 }  08  09 function errorHandler(sender, args)  10 {  11  12 }  13   You need to ensure that the application performs the following tasks:  ¡;¤Use a common clien-script function named errorHandler. ¡;¤Update a Label control tat has an ID named lblError with the error message. ¡;¤Prevent the browser from displaying any message box or Javascript error  What should you do?()

发布日期:2021-01-28

You create a Microsoft ASP.NET application by usin...
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