I can tell you what to do to repair it. You probably shorted the entire PCB or didn't let it dry fully, but that can be easily fixed. I have some more tips here -
http://www.tiaowiki.com/forums/xbox-360-hardware-talk/how-to-read-and-dump-key/
Post a high quality/high resolution screenshot of the PCB where the pads are, and I will edit it. The PCB board can still be brought back to life. There are specific points where the multimeter shouldn't beep. Link:
http://www.tiaowiki.com/forums/xbox-360-hardware-talk/83850c-v2-cutting-the-pcb-and-using-the-conductive-glue/msg680/#msg680