ZK Developer's Guide

Is it on the Desktop or on the Web?
if (event.getValue().trim().length() > 0)
{
idstatus.setValue("valid");
idstatus.setStyle("color:green");
}
else
{
idstatus.setValue("not valid");
idstatus.setStyle("color:red");
}
if (self.value != null && self.value.trim().
length() == 0)
{
self.value = "";
throw new WrongValueException(self, "The id shouldn't
be the empty string.");
}
htmlEdit.doOverlapped();