I want to fix the table height to 600px, eve if the content goes long.
Try wrapping the table within a div
tag, and setting the CSS properties of the div
like so:
div.tablewrapper {
height: 600px;
overflow-y: auto;
}
This will make a scrollbar appear if the table's height exceeds 600 pixels. If you don't want to always force the height to 600px if the table it too small to take up that much space, but instead just want 600px to be the max, use max-height
instead of height
.