Tab height is keeps on increasing when i click on the header

Hi,

i have created seven tabs which is intergrated with grid.Each tab contains many grid rows.
My problem is : if there is one record in the tab and i click on the tab’s header,its increasing the tab’s height. Each time i click ,it keeps on increasing…

how to fix this ???

Unfortunately the issue cannot be reproduced locally.
Please, provide a sample of your code to reconstruct the problem.