Hiding a field based on a lookup dropdown

[Margo]

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Dear @Dina_Louw, One thing is certain here - the Lookup value is never equal to "_", it's a very specific check. Instead, you can try something like this to check that there is no value: fd.spRendered(function(){ fd.control('Payroll_Area_2').ready().then(function(control) { function disableButton() { if (!fd.field('Payroll_Area_2').value) fd.field('Name').disabled = true; else { fd.field('Name').disabled = false; } } // Calling disableComments when…