Limit number of columns and rows in Web Data Form

Hello,

I have trouble with displaying data, I need to get more then 1024 rows and 256 columns in one Web Data Form per one page. I know that I can design grids without limits but I need forms. When I open Web Data Form I can see only 1024 rows and 256 column but my list contains more members:

C1=A{NI_0000_Natural_indicators.[Base]} (The parent element "NI_0000_Natural_indicators" has 312 elements)

R1=Units{All_units.[Hierarchy]}  (The parent element "All_units" has 1896 elements)

I set MaxCell = 100000000 and where are others column and rows? 

Does anyone know if there's a limit for the number of rows and columns per page in the Web Data Forms? How can I change it?