单项选择题
A.<%assembly TargetName="contosobuisness" %>
B.<%assembly ID="contosobuisness" %>
C.<%@ Assembly Name="contosobuisness" %>
D.<%assembly virtualpath="contosobuisness" %>
单项选择题 Youhaveamasterpagecustom.master...ucreateanested.masterpageusingit...andthenuhavecontentpagethatusesthenested.masterasitsmasterpage...togetastringpropfromcustom.masterintoalabelincontentpagethecodeuwuduse（）
单项选择题 Youhavealogin.ascxcontrolandtodisplayitinaviewwhichmethoduwoulduse（）
单项选择题 YouaredevelopingaAsp.netwebapplicationthtincludesapanelcontrolthathasIDcontentsection.YouneedtoaddatextBoxcontroltothepanelcontrol.（）