panels

In Designer i have a B4Xtable and two panels bellow pnlToolBox and pnlToolBox2 . In Activity_Create i wrote the following code for panels but i don't know how to declare the B4Xtable width and height according above panels . Any idea please , B4Xtable it's a new issue for me . Many thanks ...

I have looked at the forum for a few days and I cannot find a simple grid example. Using labels, I made a grid with row headers and column headers. I am sure that this is not the way to do it. Can someone help? The headers should be a different color from the body and horizontal and vertical...