资源描述：
《asp网站毕业设计英文文献》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、MakinganASP.NETWebSiteAccessibleScottMitchellMay2004Summary:Takeadvantageofinheritanceinthe.NETFrameworktoextendASP.NETclassestomakethemgenerateASP.NETcodethatisfullyaccessibletopeoplewithdisabilities.(13printedpages)IntroductionWhilethemajorityofonlineusers
2、areabletobrowseWebsitesusingWebbrowserswiththetypicalbrowsersettings,userswithdisabilitiescommonlyusealternativemeanstoaccessonlineinformation.Forexample,ablindusermightuseatext-onlybrowserthatconvertsthetextintoBraille,orreadsthetextaloudusingascreenreader.
3、ApersonwithreducedvisionmightstilluseabrowserlikeMicrosoft®InternetExplorer,butwithascreenmagnifier,orwiththebrowserconfiguredtouseextralargefontsizes.Motordisabilitiesmightprecludeauserfromusingthemouseorkeyboardasaninputdevice.Sincepeoplewithdisabiliti
4、estypicallysurftheWebusingspecialdevicesornon-standardbrowserconfigurations,aWebsite'soveralldesignandHTMLmarkupgreatlyimpactsthedisabledperson'suserexperience.Forexample,specifyingfontsizesusingabsolutemeasurements—like10pt—displaysthefontinthatabsolutesize
5、,andnotrelativetothetextsizetheuserhasconfiguredinhisbrowser.SitesthathaveaFlashorShockwaveinterface,anddonotprovideanalternate,textrepresentation,effectivelycutoffuserswithBrailledevicesortext-to-speechsynthesizers.AWebsiteissaidtobeaccessibleifitisdesigned
6、totransitiongracefullytoalternatedevices.Atthispoint,youmightbethinking,"WhyshouldIbotherensuringmyWebsiteisaccessible?"TherearetwogoodreasonsIcanthinkof:1.It'sGoodBusiness–AccordingtotheU.S.Census2000,49.7millionAmericanshaveadisability;aJune2000pollbyHarri
7、sInteractiveshowsthat43%ofdisabledAmericansareregularonlineusers,andthatuserswithdisabilitiesspendalmosttwiceasmuchtimeonlinethanuserswithoutdisabilities.Puttheresultsofthesetwosurveystogetherandyou'llfindthattherearemorethan21millionAmericanswithdisabilitie
8、swhoareregularlyonline.BynottakingthetimetomakeyourWebsiteaccessible,youarecuttingoff21millionpotentialvisitors.2. It'saMandateforGovernmentAgencies–In1998theUnitedStategovernmentpassedSection50
