Thread: what are parameters?

hi guys,
i m new in the testing world recently i have started using this automation tool called qtp 9.5 in this there is a issue which i can't understand actually i am not getting this Parameter stuff what exactally it works for..
Can anyone please me with this parameter stuff in an simple way with an example please.

Thanks&Regards
shikhar

For i=1 to 2
' Datatable.SetCurrentRow(i)
j=j+i
'datatable.Value("no",dtglobalsheet )=i

Next
datatable.Value("no",dtglobalsheet )=j
msgbox j

if u keep j in globle sheet in runtime data table. u can use that j in Antother Action or antother Test.
if u r having doughts contact me jaideepu.namineni@gmail.com