it worked perfectly.

thank you!

"I am surprised with this system it's unbeatable",

i was trying to make only one row in the array is mandatory depending on the surveyor choice using subquestion validation equation by adding this line with no lucky

If, for example, you want the first row mandatory and there are 3 columns, you would use something like this in the question validation field (not in the subquestion validation field):


- www.limesurvey.org/manual/ExpressionScri...#.22Self.22_variable

it worked fine.

thank you!