First double check to make sure the wires are firmly attached to the element on both ends.
Did you see the FAQ on how to change the element. Sometimes when you replace the element there is a tendency to pull the element out too far before disconnecting the wires. This can cause the wire on the back plug to be disconnected. To correct that you need to take the back off the cabinet, and reconnect the wire(s).How to change the heating element.
If your pilot light next to the slider does not work, that is a good sign that it is something other than the element. If it is just a bad element, the pilot light will continue to work. The other issue could be you may have had a good element, but the in-line fuse was blown, or the heat sensor has tripped and didn't reset.