reporting services - blank space between tablix rows -

i have ssrs 2008 report tablix , 1 row need show around 5000-6000 character row move next page leaving empty/blank space.

i have tired options keep togther on 1 page , have tired taking row out of tablix , adding rectangle no luck .

can ideas. thanks.

first page showing rows , empty space

row large data getting pushed next page

i assuming creating letter width 8.5 inch , height 11 inch. assuming have left 0.25 inch of border side; leaves 8 inch of body width , 10.5 inch of height. leave 1.5 inch page header , 1 inch page footer 10.5 inch height. leaves 8 inch of body height. explicitly fix height of body 8 inch. once done, try adjust data within space. sure, issue resolved. cheers!