actionlink fails viewdata parameter asp.net mvc beta


i have ran an rare problem actionlink slight asp.net mvc beta. controlling lambda profusion mvc futures i can't seem mention parameter pulled viewdata.



when i try this:



<%= html.actionlink<photocontroller>(p => p.upload(((string)viewdata["groupname"])), "upload new photo") %>


the html contains couple an lifeless url.



    <a href="">upload new photo</a>


however i tough formula parameter, this:



<%= html.actionlink<photocontroller>(p => p.upload("groupa"), "upload new photo") %>


the cost contains an tangible url.



    <a href="/group/groupa/photo/upload">upload new photo</a>


i assume substantially something prominence accessibility viewdata, being there lambda gets evaluated internals framework. nonetheless only guess.



am i doing something crude initial illustration means this, brief bug?



update: i am controlling latest chronicle mvc futures. separate out works people. given doesn't work me creates me cruise something specific i am doing. does anybody have any idea feeling during next, since unequivocally me stumped.



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