Hi,
I think that you will need to loop through the objects in the row to test if they contain data or not.
var oNodes = this.parent.nodes;
var nCheck = 0;
for (var i=0; i<oNodes.length; i++) {
if (oNodes.item(i).rawValue !== null) {
nCheck = 1;
}
}
if (nCheck != 0) {
// warn user
}
Niall