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>OK. I did the same type of thing on an app a few months ago. Couple of tips:
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>You can add two eventlisteners to monitor online/offline status (works on Ipad Mini with Safari). I use that to disable/enable (and color code) a button which triggers sending/receiving data from the server. See: https://developer.mozilla.org/en-US/docs/Web/API/NavigatorOnLine/onLine
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>If the data structure permits I'd seriously consider using JSon objects rather than XML since it is far more compact and is probably what you will need for data on the client side. It's just as easy to have Web API return JSon as XML.....
>
>HTH,
>Viv

Ok; I can consider switching from using XML to Json; I just need to learn how to do it :). But another aspect that is a problem now (without WiFi) is as follows. Most of the pages (aspx) of the application use lookups (drop-down lists). for example, drop-down list of employees. This drop-down (in my application) lists are filled in LOAD method dynamically. Now I need to change it and instead of loading them (about 20 of them) dynamically, store them in a localStorage and then dynamically retrieve them from the local storage. Do you think this is practical/feasible?

When you say "have Web API return JSon", now comes a very newbie question (since I have not yet learned Web API), is Web API something that is installed on a tablet (iPad) or is it a URL to the server that calls some service running on the server?

Thank you.