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1、外文翻译毕业设计题目：基于ASP.NET的物业管理系统开发原文1：ASP.NET2.0WebPagesandWebControls译文1：ASP.NET2.0网页和Web控件原文2：TheRoleofGlobal.asaxFile译文2：Global.asax文件的作用原文1ASP.NET2.0WebPagesandWebControlsUntilnow,alloftheexampleapplicationsinthistexthavefocusedonconsole-basedandWindowsFormsfront
2、ends.Inthischapterandthenext,you’llexplorehowthe.NETplatformfacilitatestheconstructionofbrowser-basedpresentationlayers.Tobegin,you’llquicklyreviewanumberofkeyweb-centricconcepts(HTTP,HTML,client-side,andserver-sidescript)andtheroleofthewebserver(includingtheASP
3、.NETdevelopmentserver,WebDev.WebServer.exe).Withthiswebprimeroutoftheway,theremainderofthischapterconcentratesonthecompositionofASP.NET(includingtheenhancedcode-behindmodel)andhowtoworkwithASP.NETwebcontrols.Asyouwillsee,ASP.NET2.0providesanumberofnewwebcontrols
4、,anew“masterpage”model,andvariouscustomizationtechniques.TheRoleofHTTPWebapplicationsareverydifferentanimalsfromtraditionaldesktopapplications(tosaytheleast).Thefirstobviousdifferenceisthataproduction-levelwebapplicationwillalwaysinvolveatleasttwonetworkedmachin
5、es(ofcourse,duringdevelopmentitisentirelypossibletohaveasinglemachineplaytheroleofbothclientandserver).Giventhisfact,themachinesinquestionmustagreeuponaparticularwireprotocoltodeterminehowtosendandreceivedata.Thewireprotocolthatconnectsthecomputersinquestionisth
6、eHypertextTransferProtocol(HTTP).Whenaclientmachinelaunchesawebbrowser(suchasNetscapeNavigator,MozillaFirefox,orMicrosoftInternetExplorer),anHTTPrequestismadetoaccessaparticularresource(suchasan*.aspxor*.htmfile)ontheremoteservermachine.HTTPisatext-basedprotocol
7、thatisbuiltuponastandardrequest/responseparadigm.Forexample,ifyounavigatetowww.IntertechTraining.com,thebrowsersoftwareleveragesawebtechnologytermedDomainNameService(DNS)thatconvertstheregisteredURLintoafour-part,32-bitnumericalvalue(akaanIPaddress).Atthispoint,
8、thebrowseropensasocketconnection(typicallyviaport80)andsendstheHTTPrequestforthedefaultpageatthehttp://www.IntertechTraining.comwebsite.Oncethehostingwebserverreceive
