Water. Heater

Have a 10 gal water heater,gas side won't work, electric side won't work.what is wrong

I take it you are saying that your water heater will not operate on either gas or electric.

The first question is, does your water heater support electric heat. Not all do. Some are gas only.

For electric, are you plugged into shore power or is your generator running? If not, the electric water heater won't work. If so, check your circuit breakers and use a volt meter to check for power at the heater.

For gas, is the gas turned on? When you turn the switch on to the water heater for gas operation, can you hear the ignitor clicking? If the ignitor is not clicking, you've got a power or control board issue.