Hi Scott, just escape any & into & The binding is basically an XML attribute and & is not allowed in there.
Cheers, WP > On 14 Dec 2018, at 21:10, scott matheson <sc...@matheson.it> wrote: > > Hi, not been writing code for a while, how do I add && in a dynamic binding > > this is the code > > <s:CheckBox id="overlapCheckBox" > scaleX="1" scaleY="1" > selected="{data.overlapReading}" > horizontalCenter="0" > verticalCenter="0" > visible="{data.accountType != 1 }" > click="changePlacement(event)" > skinClass="com.peach.uofs.common.StudentPlacementCheckBoxSkin"/> > > > i want visible="{data.accountType != 1 && data.aPage }" > > >