Excel like server side control for ASP.NET -

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we have requirement increase functionality of grid using edit on our webapp, , our manager keeps citing excel perfect example data grid :/ still doesn't spreadsheet control doesn't exist out of box, thought i'd bit of searching nonetheless.

i've found couple of products on google, wondering if else has feedback around such controls (obviously cheaper or ahem freer better)

edit have telerik controls, 'current' requirement is, control can copy , paste (e.g) 3 cells 1 row , paste them on another, row row editing of telerik doesn't cut it. in competition 'excel' based solution, nightmare in winning users around, prefer flexibility structure

update: silverlight fast approaching, maybe can use real excel control.

devexpress has powerful grid control both web , windows. not free , guess nothing matches excel. once users started using it, wanted every app it. check these videos data grouping one.


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