Devexpress Controls Issue when I use open them in two tab

I have a usercontrol having (devexpress grid) says Entity.ascx(AFE and Area see images 1 and 2 )at the default.aspx, a menu in default aspx page see the below image name start, i click on two link on the menu as shown in start image,it opened two tabs like 1 & 2 images 

the issue is that when i click on header to sort them one by one. First one sorted like the 3rd image, when i click on the header of the second grid it changes its layout  like in the 4th image.
start    http://postimg.org/image/e3hhrb4m1/
1   http://postimg.org/image/gm36rzqc9/
2   http://postimg.org/image/8umgtfm6x/
3   http://postimg.org/image/n2 ...