I'm evaluating the product and am also having issues with maintaining sorting state.  Our grid data is repopulated via ajax calls and then the data is bound like such

$("#grid").igGrid("dataSourceObject", grid.data).igGrid("dataBind");

When the data bind completes then the sort state is reverted to the default state set when I initialized the grid using the following feature setting.

{
     name: "Sorting",
     type: "local",
     columnSettings: [
         {columnKey: 'NAME', currentSortDirection:'asc'}
     ],
     columnSorted: function (evt, ui) {
         grid.sorting.column = ui.columnKey;
         grid.sorting.direction = ui.direction;
     }
}

I tried to track the changes by getting the values from the columnSorted event as you can see above, but then I can not find the correct location in which to apply them again.  I tried the dataRenderedevent, but this resulted in an infintite loop.

Is there a way to maintain the sort after binding data?