Check third checkbox if two other checkboxes are checked

Forum|Forum|7 months ago
August 15, 2025
1 reply
300 views

I have three checkboxes - CB1, CB2 and CB3. If both CB1 and CB2 are checked, I would like CB3 to be checked. CB3 would remain unchecked if either CB1 or CB2 were unchecked, or if both CB1 and CB2 were unchecked. Thanks.

Correct answer try67

Create a (hidden) text field and place this code as its custom calculation script:

this.getField("CB3").checkThisBox(0, this.getField("CB1").valueAsString!="Off" && this.getField("CB2").valueAsString!="Off");

try67

Community Expert

Do you want the value of CB3 to be determined only by the state of CB1 and CB2, or should the user be able to tick/untick it if they wanted to?

B

Brian31867616qsytAuthor

Known Participant

The value of CB3 should be determined only by the state of CB1 and CB2.

try67

Correct answer

Community Expert

Create a (hidden) text field and place this code as its custom calculation script:

this.getField("CB3").checkThisBox(0, this.getField("CB1").valueAsString!="Off" && this.getField("CB2").valueAsString!="Off");

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