I have a jqgrid with datatype json that loads data from the server. We now want to add comet streaming to the grid and update the data from javascript. If we are using datatype local then we can update the grid from the comet streaming scripts by using the setRowData method. It looks like this method only works for datatype local. How can this be done when we use datatype json? (the json data from the server decides which rows to show, and we have 10.000+ rows – so switching entirely to datatype local is not an option).

I have tried something like this when updating the grid, but it does not work for me: