ios - Loading data from webservice in UitableView -

i have tableview custom cell. want populate tableview data coming form webservice. saving data in nsuserdefaults after getting webservice. , fetching userdefaults array named "dataarray"

now when try populate in cellforrowatindexpath show error because dataarray not populated yet. lets if take 2 seconds fetch data webservice, save in userdefaults , populate array. how can populate tableview after 2 seconds , not before ?

please thanks.

1- create array , in numberofrowsinsection

return array.count; 

2-after data web service populate array , used tableview.reloaddata()

3- check used correct tableview , correct cell identifier , establish uitableview delegate , datasource app. hope you.