簡介：附錄1外文文獻(xiàn)原文ASPNETASPNETARCHITECTUREARCHITECTURE1ASPNETISFULLYMANAGEDCODETODEALWITHTHEUSEOFWEBREQUESTFORAMATUREPLATFORMENGINEITNOTONLYONLYWEBFORMSANDWEBSERVICESASPNETPROCESSINGENGINEISALSOAREQUEST,ACCESSTOCLIENTREQUESTSIT,ANDTHENTHROUGHITSBUILTINCHANNELS,THEREQUESTTOANEND,INTHEEND,DEVELOPERSCANADDLOGICTODEALWITHTHISREQUESTCODEINFACTTHEENGINEANDHTTPORWEBSERVERISCOMPLETELYSEPARATEINFACT,HTTPISARUNTIMECOMPONENTS,YOUCANHOSTITINIISONTHEOUTSIDEOFTHEAPPLICATION,ANDEVENCANBE,ANDOTHERSERVICESTOGETHERPIPELINETHROUGHTHEUSEOFBUILTINROUTINGTHEREQUEST,HTTPRUNTIMETOPROVIDEASETOFCOMPLEX,BUTVERYELEGANTMECHANISMINDEALINGWITHEVERYASPECTOFTHEREQUESTAREALOTOFOBJECTS,BUTTHEMAJORITYOFOBJECTSOREVENTSCANBEDERIVEDFROMTHEEXPANSIONINTERFACETHEREFORE,THISFRAMEWORKHASAVERYHIGHSCALABILITYAMECHANISMTHROUGHWHICHTOENTERALOWERLEVELINTERFACE,SUCHASCACHING,AUTHENTICATION,AUTHORIZATION,SUCHASISPOSSIBLEYOUCANPROCESSTHEREQUESTBEFOREORAFTERTHECONTENTFILTERING,ORSIMPLYTOMATCHTHESIGNATUREOFTHEDESIGNATEDCLIENTREQUESTSDIRECTLYTOYOURROUTERORTOOTHERCODEINTHEURLFORTHESAMETHINGCANBEDEALTWITHTHROUGHDIFFERENTMETHODS,ANDTHEREALIZATIONOFTHECODEAREVERYINTUITIVEINADDITION,BETWEENTHEEASYDEVELOPMENTANDPERFORMANCE,HTTPOPERATIONWASTOPROVIDETHEBESTFLEXIBILITYASPNET20ISDESIGNEDWITHADMINISTRATIONANDMANAGEABILITYINMINDWERECOGNIZETHATWHILESIMPLIFYINGTHEDEVELOPMENTEXPERIENCEISIMPORTANT,DEPLOYMENTANDMAINTENANCEINAPRODUCTIONENVIRONMENTISALSOAKEYCOMPONENTOFANAPPLICATIONSLIFETIMEASPNET20INTRODUCESSEVERALNEWFEATURESTHATFURTHERENHANCETHEDEPLOYMENT,MANAGEMENT,ANDOPERATIONSOFASPNETSERVERS1HTTP//MSDNMICROSOFTCOM/ZHCN/LIBRARY/AA983562VS71ASPX,METADATADRIVENSUPPORTFORNEWFEATURESLIKETHEMESANDACCESSIBILITYVERIFICATION,BETTERSTATEMANAGEMENT,ANDMOREDATASOURCECONTROLSDATAACCESSINASPNET20ISNOWPERFORMEDDECLARATIVELYUSINGDATASOURCECONTROLSONAPAGEINTHISMODEL,SUPPORTFORNEWDATABACKENDSTORAGEPROVIDERSCANBEEASILYADDEDBYIMPLEMENTINGCUSTOMDATASOURCECONTROLSADDITIONALLY,THESQLDATASOURCECONTROLTHATSHIPSINTHEBOXHASBUILTINSUPPORTFORANYADONETMANAGEDPROVIDERTHATIMPLEMENTSTHENEWPROVIDERFACTORYMODELINADONETCOMPILATIONBUILDPROVIDERSDYNAMICCOMPILATIONINASPNET20ISNOWHANDLEDBYEXTENSIBLECOMPILATIONBUILDPROVIDERS,WHICHASSOCIATEAPARTICULARFILEEXTENSIONWITHAHANDLERTHATKNOWSHOWTOCOMPILETHATEXTENSIONDYNAMICALLYATRUNTIMEFOREXAMPLE,RESXFILESCANBEDYNAMICALLYCOMPILEDTORESOURCES,WSDLFILESTOWEBSERVICEPROXIES,ANDXSDFILESTOTYPEDDATASETOBJECTSINADDITIONTOTHEBUILTINSUPPORT,ITISEASYTOADDSUPPORTFORADDITIONALEXTENSIONSBYIMPLEMENTINGACUSTOMBUILDPROVIDERANDREGISTERINGITINWEBCONFIGEXPRESSIONBUILDERSASPNET20INTRODUCESADECLARATIVENEWSYNTAXFORREFERENCINGCODETOSUBSTITUTEVALUESINTOTHEPAGE,CALLEDEXPRESSIONBUILDERSASPNET20INCLUDESEXPRESSIONBUILDERSFORREFERENCINGSTRINGRESOURCESFORLOCALIZATION,CONNECTIONSTRINGS,APPLICATIONSETTINGS,ANDPROFILEVALUESYOUCANALSOWRITEYOUROWNEXPRESSIONBUILDERSTOCREATEYOUROWNCUSTOMSYNTAXTOSUBSTITUTEVALUESINAPAGERENDERINGPERFORMANCEANDSCALABILITYASPNETISBUILTTOPERFORM,USINGACOMPILEDEXECUTIONMODELFORHANDLINGPAGEREQUESTSANDRUNNINGONTHEWORLDSFASTESTWEBSERVER,INTERNETINFORMATIONSERVICESASPNET20ALSOINTRODUCESKEYPERFORMANCEBENEFITSOVERPREVIOUSVERSIONSCONSTRUCTIONOFTHEENTIREASPNETENGINEENTIRELYINMANAGEDCODE,ALLFUNCTIONSAREANEXTENSIONOFTHEEXPANSIONTHROUGHTHEPROVISIONOFMANAGEDCODEFORTHEPOWERFULNETFRAMEWORK,TOUSETHEIROWNTHINGS,TOBUILDAMATURE,HIGHPERFORMANCEENGINEARCHITECTUREHASBECOMEAPROBATENEVERTHELESS,ITISIMPORTANT
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