How to get previous value

[kazi]

Hi,

I have a table like this 

I want the result like this

If Value is empty then I have to show previous value there. 

i am writing like this 

but it is not working. Any suggestion please. Please see the attached file.

Thanking You

Kazi

[edwin]

use Peek instead of previous in your load script

[kazi]

Hi Edwin, Peek or previous , Result is same for both. 

[edwin · Accepted solution]

[edwin]