Dhtmlx Grid and Accordion

I am using dhtmx grid in accordion and I have enabled auto height of grid. Grids are attached to accordion and i want to set the height of accordion items accordion to the size of active gird height. To do this i need the height of the grid. I have enabled multiple line in grid that’s why i cannot calculate the height of grid by counting the rows, as different rows has different heights. Please help me to get the exact height of gird.

Umair Tariq
Xeeonix Tech.