Questions display Problem

I retrieved data from text files.
if i choose wordscount 10 at runtime 3 words will display in label after click yes or no button next 3 words should be display.Yes ,no button code is not working properly

Words are displaying but words count is wrong and missing few words
i choose 10 missing wordscount is 3,4,5,6. after 10th question testresult form should display. It's also showing error.