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？（）

单项选择题 YouaredevelopinganASP.NETDynamicDataWebapplication.BooleanfieldsmustdisplayasYesorNoinsteadofasacheckbox.YoureplacethemarkupinthedefaultBooleanfieldtemplatewiththefollowingmarkup.YouneedtoimplementthecodethatdisplaysYesorNo.WhichmethodoftheFieldTemplateUserControlclassshouldyouoverrideintheBooleanFieldclass？（）