Using REUSE_ALV_GRID_DISPLAY

hi folks,

question: how can i use the function REUSE_ALV_GRID_DISPLAY twice in one project?

scenario: i've alv1 and doubleclick in one cell. now should open the alv2 with more info. to the field.

both callings are in one mainprogram.

if i use REUSE_ALV_LIST_DISPLAY - it works, using REUSE_ALV_GRID_DISPLAY doesnt work.

any ideas?

regards thomas