Script routine to be invoked when focus enters a control. The routine takes two arguments, the control item and the query row number.
On leave (onleave)Script routine to be invoked when focus leaves a control. The routine takes two arguments, the control item and the query row number.
On set (onset)Script routine to be invoked when the value in the control is set from the database. The routine takes three arguments, the control item, the query row number and the value.
On Double Click (ondblclick)Script routine to be invoked when the value in the control is double-clicked. The routine takes two arguments, the control item and the query row number.