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1、共18頁第1頁┊┊┊┊┊┊┊┊┊┊┊┊┊裝┊┊┊┊┊訂┊┊┊┊┊線┊┊┊┊┊┊┊┊┊┊┊┊┊Technique1.Buildingthe.ispartofMicrosoftsoverall.framewkwhichcontainsavastsetofprogrammingclassesdesignedtosatisfyanyconceivableprogrammingneed.Inthefollowingtwosectionsyoule

2、arnhowfitswithinthe.framewkyoulearnaboutthelanguagesyoucanuseinyourpages.The.FramewkClassLibraryImaginethatyouareMicrosoft.Imaginethatyouhavetosupptmultipleprogramminglanguages—suchasVisualBasicJC.Agreatdealofthefunction

3、alityoftheseprogramminglanguagesoverlaps.Fexamplefeachlanguageyouwouldhavetoincludemethodsfaccessingthefilesystemwkingwithdatabasesmanipulatingstrings.Furthermetheselanguagescontainsimilarprogrammingconstructs.Everylangu

4、agefexamplecanrepresentloopsconditionals.EventhoughthesyntaxofaconditionalwritteninVisualBasicdiffersfromthesyntaxofaconditionalwritteninCtheprogrammingfunctionisthesame.Finallymostprogramminglanguageshavesimilarvariable

5、datatypes.Inmostlanguagesyouhavesomemeansofrepresentingstringsintegersfexample.Themaximumminimumsizeofanintegermightdependonthelanguagebutthebasicdatatypeisthesame.Maintainingallthisfunctionalityfmultiplelanguagesrequire

6、salotofwk.WhykeepreinventingthewheelWouldntitbeeasiertocreateallthisfunctionalityonceuseitfeverylanguageThe.FramewkClassLibrarydoesexactlythat.Itconsistsofavastsetofclassesdesignedtosatisfyanyconceivableprogrammingneed.F

7、examplethe.framewkcontainsclassesfhlingdatabaseaccesswkingwiththefilesystemmanipulatingtextgeneratinggraphics.Inadditionitcontainsmespecializedclassesfperfmingtaskssuchaswkingwithregularexpressionshlingwkprotocols.The.fr

8、amewkfurthermecontainsclassesthatrepresentallthebasicvariabledatatypessuchasstringsintegersbytesactersarrays.共18頁第3頁┊┊┊┊┊┊┊┊┊┊┊┊┊裝┊┊┊┊┊訂┊┊┊┊┊線┊┊┊┊┊┊┊┊┊┊┊┊┊System.Collections—Containsclassesfwkingwithstardcollectiontypess

9、uchashashtablesarraylists.System.Collections.Specialized—Containsclassesthatrepresentspecializedcollectionssuchaslinkedlistsstringcollections.System.Configuration—Containsclassesfwkingwithconfigurationfiles(Web.configfil

10、es).System.Text—Containsclassesfencodingdecodingmanipulatingthecontentsofstrings.System.Text.RegularExpressions—Containsclassesfperfmingregularexpressionmatchreplaceoperations.System.Web—Containsthebasicclassesfwkingwith

11、theWldWideWebincludingclassesfrepresentingbrowserrequestsserverresponses.System.Web.Caching—Containsclassesusedfcachingthecontentofpagesclassesfperfmingcustomcachingoperations.System.Web.Security—Containsclassesfimplemen

12、tingauthenticationauthizationsuchasFmsPassptauthentication.System.Web.SessionState—Containsclassesfimplementingsessionstate.System.Web.UI—Containsthebasicclassesusedinbuildingtheuserinterfaceofpages.System.Web.UI.HTMLCon

13、trols—ContainstheclassesftheHTMLcontrols.System.Web.UI.WebControls—ContainstheclassesftheWebcontrols..FramewkCompatibleLanguagesFpurposesofthisbookyouwillwritetheapplicationlogicfyourpagesusingVisualBasicasyourprogrammin

14、glanguage.Itisthedefaultlanguagefpages.AlthoughyousticktoVisualBasicinthisbookyoualsoneedtounderstthatyoucancreatepagesbyusinganylanguagethatsupptsthe.CommonLanguageRuntime.OutoftheboxthisincludesC#theManagedExtensionsto

15、C.NOTETheCDincludedwiththisbookcontainsC#versionsofallthecodesamples.DozensofotherlanguagescreatedbycompaniesotherthanMicrosofthavebeendevelopedtowkwiththe.framewk.SomeexamplesoftheseotherlanguagesincludePythonSmallTalkE

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