Hi,
You can try something like;
if (!this.isNull)
{
var date = util.scand("yyyy-mm-dd", this.rawValue);
if (date == null || this.formattedValue != util.printd('EEEE, MMMM D, YYYY', date, true))
{
app.alert("Please select a date from the date calendar");
xfa.host.setFocus(this);
}
}
Regards Bruce