I have a dashboard with 2 columns. The first column (on the left side) has 3 panels and the second column (on the right side) has also 3 panels. Is it possible to hide the second and third panel in the second column of my dashboard?
If items aren't supposed to appear, you could give them a unique id in XML and set display: none; for that id in your CSS file. But I dont't really see why you would like to have a panel that is not displayed... you could simply delete it?