paging datatable after filtering dataList

[mahta moradzadeh]

hi all.

i have a problem with t:datatable and t:dataScroller.It work fine when i scroll in whole list.
my problem is when i filter my list with date.so a sublist will be shown.but when i click on paging number in dataScroller , the whole list reterive from db and the sub list is loss.
i use t:save state for resolve this problem but in some pages i get LazyInitializationException. how can i resolve this problem?
can anybody help me?

thanks.