Video: Dab tsi yog qhov chaw zais hauv MVC?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Tsim lossis siv Hidden Fields hauv Asp. Net MVC nrog HTML Helpers Piv txwv. Cov zais teb yog cov kev tswj xyuas uas tso cai rau peb khaws cov ntaub ntawv lossis cov ntaub ntawv hauv nplooj ntawv yam tsis tau tso tawm. Nws zoo ib yam zais teb lub tswv yim uas peb siv hauv ASP. NET Webforms khaws cia cov ntaub ntawv ntawm nplooj ntawv thiab nws pab peb tswj cov ntaub ntawv txawm tias tom qab.
Tsis tas li ntawd, HTML HiddenFor ua dab tsi?
HiddenFor () yog ib hom kev ntaus ntawv uas muaj kev khi nrog cov qauv chav kawm. Nws sib txuas lus thiab xa / tau txais tus nqi rau cov qauv hauv chav kawm. Feem ntau nws muaj 2 parameters; Hidden Field Name uas yog cov cuab yeej ua qauv thiab tus nqi rau Hidden Field.
Ib sab saum toj, ViewBag MVC yog dab tsi? SaibBag yog ib qho cuab yeej - suav tias yog ib qho khoom siv dynamic - uas ua rau koj sib qhia qhov tseem ceeb ntawm tus maub los thiab saib hauv ASP. NET MVC daim ntawv thov.
Ib yam li ntawd, vim li cas peb thiaj li siv qhov chaw zais hauv asp net?
HiddenField Tswj. Hidden teb yog ib qho kev ua kom yuam kev ntawm HTML web tsim tawm kev lag luam rau nqa cov ntaub ntawv hauv nplooj ntawv thaum koj ua tsis xav kom cov ntaub ntawv ntawd pom rau tus neeg siv-uas yog , cov zais teb muab ib txoj hauv kev los khaws cov ntaub ntawv hauv xeev hauv nplooj ntawv.
HTML LabelFor yog dab tsi?
LabelFor . LabelFor tus txheej txheem pab yog ib txoj kev ntaus ntawv txuas ntxiv. Nws generates a html npe element rau tus qauv khoom vaj tse uas tau teev tseg siv lambda qhia.
Pom zoo:
Qhov txawv ntawm qhov chaw nyob thiab qhov chaw nyob yog dab tsi?
Qee zaum, 'txoj kev chaw nyob' hais txog koj lub cev qhov chaw nyob ntawm qib zoo dua hauv nroog. Piv txwv li, '1313Mockingbird Lane', tsis muaj lub nroog lub npe txuas nrog. Tab sis yog, feem ntau nws tsuas yog ib daim ntawv rov qab kom paub qhov txawv ntawm qhov chaw xa ntawv (thaum chiv keeb) thiab tam sim no e-mail chaw nyob, chaw nyob hauv web, IPaddress, thiab lwm yam
Qhov chaw nyob ntawm lub cev thiab qhov chaw nyob qhov chaw nyob yog dab tsi?
Qhov sib txawv yooj yim ntawm Logical thiab lub cev chaw nyob yog qhov chaw nyob Logical yog tsim los ntawm CPU hauv kev xav ntawm ib qho kev pab cuam. Ntawm qhov tod tes, qhov chaw nyob ntawm lub cev yog qhov chaw nyob uas muaj nyob hauv lub cim xeeb. Cov txheej txheem ntawm txhua qhov chaw nyob uas tsim los ntawm CPU fora program hu ua Logical Address Space
Dab tsi yog qhov zais zais hauv HTML?
Cov ntsiab lus ntawm hom 'hidden'let web developers suav nrog cov ntaub ntawv uas tsis tuaj yeem pom lossis hloov kho byusers thaum xa daim foos. Piv txwv li, tus ID ntawm cov ntsiab lus uas tam sim no raug xaj lossis hloov kho, lossis ib qho kev ruaj ntseg tshwj xeeb
Qhov txawv ntawm qhov chaw kub thiab qhov chaw txias yog dab tsi?
Thaum lub chaw kub kub yog ib daim qauv ntawm cov chaw khaws ntaub ntawv nrog tag nrho koj cov khoom siv kho vajtse thiab software ua haujlwm nrog koj lub xaib thawj zaug, qhov chaw txias tau muab tshem tawm - tsis muaj server hardware, tsis muaj software, tsis muaj dab tsi. Kuj tseem muaj qhov chaw sov uas nyob nruab nrab ntawm qhov chaw kub thiab qhov chaw txias los ntawm cov khoom siv
Qhov txawv ntawm qhov chaw nyob sib txuas lus thiab qhov chaw nyob ruaj khov yog dab tsi?
Qhov chaw nyob xa ntawv yog chaw nyob sib txuas lus piv txwv li qhov koj nyob tam sim no. & chaw nyob Apermanent yog ntawm koj cov ntaub ntawv yog sau rau ntawm koj daim ntawv pov thawj hnub yug & daim npav pov npav. Qhov chaw nyob ruaj khov & kev sau ntawv yuav zoo ib yam lossis txawv ntawm cov ntaub ntawv siv tau