using ajax callbacks asp.net user controls

what's best proceed exercise user controls need ajax callbacks?

i wish accomplish few things:

• have events finished browser (eg, drag drop) trigger an ajax presentation lift control event, causes formula page controlling control whatever needs (eg, change value database).


• have biased updates (not controlling an updatepanel) things stock an auto-complete dropdown underneath textbox.


• implement unparalleled user control general adequate reused several pages


• avoid carrying exercise explanation page itself passes events behind control, since steady tough say

i'm controlling jquery many fan side stuff, nonetheless tangible ajax calls i don't unequivocally caring it's jquery asp ajax libraries.

effectively ideal pagemethods user control, simply callable client-side script. unfortunately, distant i'm aware, pagemethods work user controls.

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i'll an autocomplete control an example:

i should means put autocomplete control page, following page code, have eg:

public servant handlelookup(byval quarrel string, byref list list(of string) handles mycontrol.lookupentries
  list = new list(of string)
  ' query database list items.. 
  any vigilant twine fullitemlist
    item.startswith(input) following list.add(item)
  next
  relapse list
end sub

and zero else .. rest formula should usercontrol.

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note, controls i'm perplexing many some-more specific eg, autocomplete. exist any 3rd jubilee libraries i unequivocally need means myself.