I try to selec one radio button with a dinamik link but the value is null in every moment.
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I am still not clear about the problem. Can you try pasting the code snippet here?
/*Checkbox*/ a!richTextDisplayField( value: a!richTextItem( text: { a!richTextIcon( icon: "circle-o", link: a!dynamicLink( saveInto: { a!save(fv!item.notificacion, 1), a!save( ri!contactos, rule!ERYM_ValidarNotificacionContacto( listaContactos: ri!contactos, idContacto: fv!item.idContacto ) ) }, ), linkStyle: "STANDALONE", showWhen: or( fv!item.notificacion = 0, isnull(fv!item.notificacion) ) ), a!richTextIcon( icon: "dot-circle-o", link: a!dynamicLink( saveInto: { a!save(fv!item.notificacion, 0), } ), linkStyle: "STANDALONE", showWhen: fv!item.notificacion = 1 ) }, size: "MEDIUM" ), ), /*Expresion Rule*/ a!forEach( items: ri!listaContactos, expression: if( fv!item.idContacto <> ri!idContacto, a!update(ri!listaContactos.notificacion, fv!item.idContacto, 1), "" ) )
If you are trying to select only a single row then this code differs from the solution Mike gave in the above thread shared by you, change the showWhen condition accordingly.