Refreshing grid in background + pagination

Technical Q&A
1

Hi,

I need to refresh a grid in background. Currently, i’m using this code:

grid.dataSource.fetchData(null, function(dsResponse, data, dsRequest) {
            resultSet = isc.ResultSet.create({
                dataSource: dsRequest.dataSource,
                allRows: data
            });
            
            grid.setData(resultSet);
            grid.dataArrived();
        }, {
            showPrompt: false
        });

This works fine unless i’m using pagination, because grid considers that data variable contains all rows.

How can i properly create a result set with pagination options?

I tried:

resultSet = isc.ResultSet.create({
                dataSource: dsRequest.dataSource,
                fetchMode: 'paged',
                fetchStartRow: dsResponse.startRow,
                fetchEndRow: dsResponse.endRow,
                localData: data,
                totalRows: dsResponse.totalRows
            });

But it doesn’t work correct. In this case, grid shows 1000 rows, but it only contains 75.

Thanks!

2

See ResultSet.initialLength (and in general, read docs before trying to set internal properties).

3

Hello,

Thanks for the reply. Any ideas of why it makes 2 XHRs in this case?

Happens right after setData() call and the 2 XHRs seems identical ( same post parameters as well as response ).