reporting services - In SSRS, is it possible to set the AutoRefresh value to an expression? -

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i've set report using ssrs , autorefresh data continuously added. simple solution set value constant easy enough. however, report error log user able shut off or delay refresh while read messages. i've tried adding parameter refresh integer cannot set autorefresh value expression via 

=parameters!refresh.value

and

=[@refresh]

ssrs yells @ me saying "property value not valid. param not valid value int32."

i appreciate help.

yes, autorefresh can use expression in ssrs 2012.

i able set correctly on ssrs 2012 , make work. data type of parameter must integer. data type using? version of ssrs using?

edit: have confirmed not work in ssrs 2008. however, if using ssrs 2008 r2, change project property targetserverversion sql server 2008 r2, , work. have working in test environment.


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