jQuery Grid Plugin - jqGrid

I have a large amount of data (~1000 rows) that I need to display in a jqGrid.  Most of the data I have upfront so I create the grid and the data through the 'data' parameter.  However, a couple of the columns require a query to a remote server that needs to be handled separately.  It is complicated and slow, so I want to write the code to update this column only for the rows that are displayed.

I can set the column values using setCell(), but I need some sort of notification when new rows are displayed.  Is there a way to handle this to update the row values as needed?

My initial grid is as follows:

 jQuery(#table).jqGrid({{

             autowidth: true,

             data: data,

              datatype: local

              height: 400,

              colNames: ['Date', 'report', 'attachment'],

              colModel: [

                          {name: 'studyDate', index: "studyDate" },

                          {name: report, index: "report" },

                          //the attachment value should be paged in as necessary as it requires an async call

                          {name: 'attachment', index: "attachment" },

             ],

             rowNum: 25,

             scroll: 1

});

If I do need to update a row, I can just do the following (after querying for the value):

             jQuery(#table).jqGrid('setCell', rowId, 'attachment', value);

 Any suggestions?  This is a real killer for me right now.

Stu

stu_bennett1@hotmail.com