I face the following problem,
My app is simple, there is a listview contains 10 items each item contains picker and label,
and I have a save button at the end of the page
when clicking a button I need to collect data that is selected from each picker in the list
the problem is that when I scroll the list down NullReferenceException appears
I don't find a way to solve it
can anybody help, please?
the picture attached describes the problem.
any help, Please!