Help: Anyone Experience and know how to integrate navigation bar or navGrid in Detail Grid of master-detail of jqgrid t

[eluser]cestaz18[/eluser]
Anyone Experience and know how to integrate navigation bar or navGrid in Detail Grid of master-detail?

I got error in adding row in detail grid..

always item is null..

maybe the problem i can't get the row id of my master grid..

anyone knows the answer??

i work on this over the week..but i cant find the problem..huhuhu=(