Hi you all,
I am pretty newbies with mel and I would need your wise help.
I need to perform a check on the user entry in a textFieldGrp.
Atm moment I am casting the result of a query in a variable. My plan was to check the content of the variable to be sure the user enter numeric values and, in case he didnt, shoe a confirmDialog.
There is some way to check the content of the variable?
Of course, if you think there is some better way to perform this "dummy proof" check, please let me know 
Thanks in advance for your kind help.
Cheers