Jorge
Thanks for the help. Appreciate it.
Mike

"Mike" wrote:

I have a macro that is activated by button. I have a cell b4 that an operator
must
enter a numerical value greater than zero.
I need a sub that would check the value of cell b4. If the value is greater
than zero,
then the sub would proceed.
If cell b4 is equal to 0, then a message box would appear telling the operator
that a 0 value has been entered. Once the operator clicks the OK in the
message
box, an exit sub would be activated and the operator
would be returned to the data entry screen.
thanks for any assistance.