单项选择题
A.<%@ PreviousPageType VirtualPath ="~/MyPage.aspx"% >
B.<%@ PreviousPageType VirtualPath ="/MyPage.aspx/ ~"% >
C.<%@ PreviousPageType VirtualPath ="~/MyPage.master"% >
D.<%@ PreviousPageType VirtualPath ="~/MyPage"% >
单项选择题 Whichdirectivedefinesmasterpage-preciseattributesthatareusedbytheASP.NETpageparserandcompiler？（）
单项选择题 YouaredevelopinganASP.NETWebapplication.ApplicationdataisstoredinaMicrosoftSQLServer2008database.YouconfigureaconnectionstringnamedcnnContoso.Theapplicationmustcachethedatathatisreturnedfromthedatabasebyusingthisconnectionstring.Youneedtoensurethattheapplicationchecksthedatabaseevery10seconds.Whatshouldyoudo？（）
多项选择题 You are developing an ASP.NET Web service. The following code segment implements the service. You need to ensure that both GetProduct methods can be called from a Web client. Which two actions should you perform？（）