The dishwasher this morning stopped working, it goes through all the cycles just fine but it does not fill up with any water at all. Ran it from start to finish by adding water to it with some cups to ensure it functioned that way just fine. Not sure what part I would need to replace on it so it fills up with water again, worked perfectly the night before but the morning it didn't.

Best to get a multimeter and check if you're getting power (120V) to the valve when it's supposed to be filling. If you're not it's either the float, (check voltage across the switch 120V means it's open or the float is up) the wiring to the valve or the timer. With most of the frigidaires you can clean or sand the bad contacts on the timers.