caching - Ipad development architecture -

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i have ipad noob question.

here task trying achieve:

i need build ipad/iphone app display lot of images , data. problem app needs work offline online. so, data needs stored in way on ipad.

i looking opinions on techniques/architecture/development.

to provide bit of background work in c#.net , first ipad app. far know can either create native app using objective c, or go html app later may or may not converted native app.

furthermore, testing creating simple html page image, , trying cache image , page work offline. far, not working image or page not seem cached.

edit: know how caching limit. believe have somewhere around 10-15 mbs of images.

i appreciate ideas/opinions/resources on task.

use coredata store images offline apple coredata docs

i unsure wot need online bit for, retrieving images off net or uploading them?


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