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1、ASP.NET,C#anddatabaseTheASPstandsforActiveServerPages,ActiveServerPages.WhycalledActiveServerPages,thisisbecausetheInternetallthestaticHTMLpages,ifyouneedtoupdateyourwebsitecontent,youhavetomakealargenumberofHTMLpages.LaterwiththeASP,wecanaccordingtodifferentusersat
2、differenttimestotheusertodisplaydifferentcontent.ASP.NETisnotjusttheASP3,asimpleupgrade,itismore,weprovideanewandpowerfulservercontrolstructure.Fromtheexteriorview,ASP.NETandASParesimilar,buttheessenceiscompletelydifferent.ASP.NETisalmostentirelycomponent-basedandmo
3、dular,apageobjectandHTMLelementsisaComponentObjectrun.Onthedevelopmentoflanguage,ASP.NETabandonedVBScriptandJScript,anduse.NETFrameworkVB.NET,C#.NETlanguagesupporttheirdevelopmentoflanguage,theselanguagesgeneratedwebpagesinthebackgroundhasbeenconvertedintoClasscompi
4、ledintoaDLL.BecauseASP.NETiscompiledtoimplementthantheASPhasahigherefficiency.ASP.NETisMicrosofthasintroducedforwritingdynamicwebapowerfulnewtechnology,isMicrosoft'sActiveServerPages(ASP)and.NETcollection.ASP.NEThasapowerfuldatabasemanipulation,iswidelyusedindatabas
5、esoftwaredevelopment,isapopulardatabasedevelopment.Therefore,thedatabaseconnectioninASP.NETtechnologyhasimportantapplicationvalue.Databaseconnectiontechnologyhasbeenalotofresearch.ASP.NETisacompiled.NET-basedenvironment,youcanuseany.NET-compliantlanguages(includingV
6、isualBasicNETinC#andJScript.NET)authoringapplication.Inaddition,anyASP.NETapplicationcanusethe.NETFramework.Developerscaneasilyaccessthebenefitsofthesetechnologies,whichincludethemanagedcommonlanguageruntimeenvironment,typesafety,inheritance,andsoon.ThesyntaxofASP.N
7、ETislargelycompatiblewithASP,butitalsoprovidesanewprogrammingmodelandstructure,cangenerateabetterapplicationscalabilityandstability,andprovidebettersecurity.GraduallyaddthefeaturesofASP.NETinexistingASPapplications,atanytimetoenhancethefunctionalityoftheASPapplicati
8、on.Inthedevelopmentandapplicationinaproductionstate,ASP.NETsupportsNETFrameworkdebuggingtoolsforlocalandremotedebugging.Whentheapplication