计算机专业毕业设计科技文献翻译Word文件下载.docx
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计算机专业毕业设计科技文献翻译Word文件下载.docx
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专业计算机科学与技术
学号1
班级计算机科学与技术01班
指导教师乃丽
2015年3月
ASP.NETTechnique
1.ASP.net
AndnotonlyASP.netbeingActiveServerPage(ASP)nextedition,bethatakindofbuildstheproceduretrussonGeneralPurposeLanguage,canbeusedtobuildWebapplicationbigandpowerfulcomingoneWebserver.ASP.netprovidesalotofbiggerandpowerfulthanWebnowexploitationpatternadvantage.
Carryoutwideefficiencyrise
ASP.netisthatGeneralPurposeLanguage-basedprocedureisrunontheserver.Carryoutcompiling,carryouteffect,certainlycompetewitheachotherinabarlikethiswhenworkingfirstunlikethatbeforeASPexplainingprocedureimmediately,butbeingthatprocedureisheldintheservermakeanexplanationstrongmany.
Theworld-levelimplementholdsout
TheASP.nettrussistobeabletouseuptotheminuteproductofMicrosoft(R)companyVisualSexploitationenvironmenttocarryoutexploitation,WYSIWYG(whatWhatYouSeeIsWhatYouGetisgains)editor.TheseareASP.netonlystrong-rizationonefractionofsoftwaresupport.
Bigandpowerfulandadaptability
Itsbigandpowerfulandadaptabilitycompilingandtranslatingworkingprocedure,reasonwhybecauseofASP.netisGeneralPurposeLanguage-based,onbeingabletomakeitrun2000Serverapplyingtheupper(authorofnearlyallplatformofsoftwaredevelopertoWebknowingitcanonlyuseinWindowsuptonowonly).GeneralPurposeLanguagefundamentalwarehouse,informationmechanism,datainterfacetreatmentallcanhavenointegratingsewingapplyingmiddletotheASP.netWeb.ASP.netisalsothatlanguage-independentlanguagemeltsonone'
sownatthesametime,reasonwhy,youcanchooseonekindoftheprocedurebeingfittocompileandcomposeyoucomingyourlanguagemost,yourprocedureiswrittenorcomingusingveryvariouslanguage,(theassociationhavingC#C++andJava),VB,Jscriptalreadyholdingoutnow.SuchvariousprogramlanguageassociateabilityprotectsyourCOM+exploitation-basedprocedurenowinthefuture,thetransplantingbeingabletoentirelyfacesASP.net.
Simplicityandeasytolearn
ASP.netisthatdignityverifies,thedistributionsystemandwebsiteallocationbecomeverysimplerunafewverycommonmissionssubmitcustomerwholecourseofiftheformissingle.ThattheforexampleASP.netpageoffacetrussallowsyoutofoundyourownconsumerinterface,makesthepersonbeunlikethecommonVB-Likeinterface.Besides,thatGeneralPurposeLanguagefacilitatesexploitationmakestobecomesimpleaccommodatingoneselftoofsoftwarecombiningwithacodelikeassemblingacomputer.
High-effectbutadministration
ThatASP.netusesonekindofcharacterbasis'
s,classification'
sdeployssystem,makesyourserverenvironmentandtheapplicationinterpositionespeciallysimple.Becauseofallocationinformationallpreservesinsimpleversion,newinterpositionhasanimplementtomayalldonotneedtostartlocaladministrativepersoncancometrue.Thatthisiscalled"
ZeroLocalAdministrationphilosophyconceptmakesbecauseofapplicativeAexploitationmoreconcrete,andrapid.AASP.netapplicationrequiresthatsimplecopyfewmustgetadocument,notrequiringthatsystematicagainstarting,everythingarethatsuchissimpleinsystematicinstallationofoneserver.
Manyprocessorenvironmentsreliability
ThequiltalreadydesignsASP.netpainstakinglybecomingonekindoftheexploitationimplementbeingabletobeusedformanyprocessor,itusespeculiarseamlessthespeedlinkingatechnology,verybigrisebeingruntosewundermanyprocessorenvironments.EvenifthatyourASP.netnowappliesasoftwareistobethatoneprocessorisdevelopmentmanyprocessordonotrequirethatanychangestheefficacybeingabletoimprovethemwhenworking,butASPnowcannotachieveindeedinthefuturethisonepoint.
Certainlydefinition,andaugmentability
WhenASP.netisdesignedhaveconsideredthemoduleletwebsitedevelopapersonneltobeabletobehitbyselfdefinitionplug-ininselfcode.Thisisdifferentfromoriginalinclusionrelation,ASP.netcanaddselfdefinition'
showmodule.Websiteprocedureexploitationhasbeenallalongnotsosimple.
Security
OwingtothattheWindowsattestationtechnologyandeveryapplicationdeploying,youcanbetrueyourplainprocedureisnowandthenabsolutelysafe.
TheASP.NETgrammartoagreatextentwithASPcompatible,itprovidesonekindofnewprogrammingmodelandstructureatthesametime,maygenerateflexibilityandmuchbetterapplicationofstability,providethemuchbettersafeguardand.AddtheASP.NETfunctiongraduallyinbeingabletopassinnowavailableASPapplication,functionstrengtheningASPapplicationatanytime.
ASP.NETisthatonealreadyhascompiledandtranslated,becauseof.TheNETenvironment,runsGeneralPurposeLanguage-basedprocedureontheserver.Carryoutcompilingwhenprocedureisheldintheserverworkingfirst,thanASPmakesitsnappyimmediatelyonINTERPspeedmany.Andbetobeabletouseanyand.CompatiblelanguageofNET(includesVisualBasic.NET,C#andJscript.NET.)Createapplication.Besides,anyASP.NETapplicationallcanbeputintouseentire.NETFramework.Thepersonnelwhodevelopscangainthesetechnologymeritconveniently,includethetrusteeshipcommonlanguagerunningwarehouseenvironment,typesafety,inheritingandsoonamongthem.
ASP.NETcaneditanimplementseamlesslywithWYSIWYGHTMLandweavetheChengimplementother(includingMicrosoftVisualStudio.NET)workstogether.PageofGUIandcompletelyintegrateddebuggingthisnotonlyfeasibleWebisdevelopedtogotothelavatoryespecially,andcanprovideallmeritthattheseimplementsprovidebeobligedto,includeWebdevelopingapersonneltobeabletobeusedservercontroldraganddroptobearrivedatholdout.
WhileestablishingASP.NETapplication,thepersonnelwhodevelopscanusetheWebwindowbodyorXMLWebservices,carryoutcombinationorwithanywaythattheyregardasrightly.Thateveryfunctionallcangetthesamearchitecturalsupport,makesyoubeabletousedignitytoverifyascheme,thedatathatslowexistoftenuses,carriesoutselfdefinitionontheapplicationallocationor.
2.BuildingASP.NETPages
ASP.NETandthe.NETFramework
ASP.NETispartofMicrosoft'
soverall.NETframework,whichcontainsavastsetofprogrammingclassesdesignedtosatisfyanyconceivableprogrammingneed.Inthefollowingtwosections,youlearnhowASP.NETfitswithinthe.NETframework,andyoulearnaboutthelanguagesyoucanuseinyourASP.NETpages.
The.NETFrameworkClassLibrary
ImaginethatyouareMicrosoft.Imaginethatyouhavetosupportmultipleprogramminglanguages—suchasVisualBasic,JScript,andC++.Agreatdealofthefunctionalityoftheseprogramminglanguagesoverlaps.Forexample,foreachlanguage,youwouldhavetoincludemethodsforaccessingthefilesystem,workingwithdatabases,andmanipulatingstrings.
Furthermore,theselanguagescontainsimilarprogrammingconstructs.Everylanguage,forexample,canrepresentloopsandconditionals.EventhoughthesyntaxofaconditionalwritteninVisualBasicdiffersfromthesyntaxofaconditionalwritteninC++,theprogrammingfunctionisthesame.
Finally,mostprogramminglanguageshavesimilarvariabledatatypes.Inmostlanguages,youhavesomemeansofrepresentingstringsandintegers,forexample.Themaximumandminimumsizeofanintegermightdependonthelanguage,butthebasicdatatypeisthesame.
Maintainingallthisfunctionalityformultiplelanguagesrequiresalotofwork.Whykeepreinventingthewheel?
Wouldn'
titbeeasiertocreateallthisfunctionalityonceanduseitforeverylanguage?
The.NETFrameworkClassLibrarydoesexactlythat.Itconsistsofavastsetofclassesdesignedtosatisfyanyconceivableprogrammingneed.Forexample,the.NETframeworkcontainsclassesforhandlingdatabaseaccess,workingwiththefilesystem,manipulatingtext,andgeneratinggraphics.Inaddition,itcontainsmorespecializedclassesforperformingtaskssuchasworkingwithregularexpressionsandhandlingnetworkprotocols.
The.NETframework,furthermore,containsclassesthatrepresentallthebasicvariabledatatypessuchasstrings,integers,bytes,characters,andarrays.
Mostimportantly,forpurposesofthisbook,the.NETFrameworkClassLibrarycontainsclassesforbuildingASP.NETpages.Youneedtounderstand,however,thatyoucanaccessanyofthe.NETframeworkclasseswhenyouarebuildingyourASP.NETpages.
UnderstandingNamespaces
Asyoumightguess,the.NETframeworkishuge.Itcontainsthousandsofclasses(over3,400).Fortunately,theclassesarenotsimplyjumbledtogether.Theclassesofthe.NETframeworkareorganizedintoahierarchyofnamespaces.
ASPClassicNote
InpreviousversionsofActiveServerPages,youhadaccesstoonlyfivestandardclasses(theResponse,Request,Session,Application,andServerobjects).ASP.NET,incontrast,providesyouwithaccesstoover3,400classes!
Anamespaceisalogicalgroupingofclasses.Forexample,alltheclassesthatrelatetoworkingwiththefilesystemaregatheredtogetherintotheSystem.IOnamespace.
Thenamespacesareorganizedintoahierarchy(alogicaltree).AttherootofthetreeistheSystemnamespace.Thisnamespacecontainsalltheclassesforthebasedatatypes,suchasstringsandarrays.Italsocontainsclassesforworkingwithrandomnumbersanddatesandtimes.
Youcanuniquelyidentifyanyclassinthe.NETframeworkbyusingthefullnamespaceoftheclass.Forexample,touniquelyrefer
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