int sortColumn = Integer.parseInt((String)parameters.get(clientId + ":sortColumn"));
int sortDataIndex = Integer.parseInt((String)parameters.get(clientId + ":sortIndex"));
Integer sortStartRow = Integer.valueOf((String)parameters.get(clientId + ":sortStartRow"));
Column column = (Column)grid.getChildren().get(sortColumn);
if(column.isSortable()){
sorted = true;
SortEvent sortEvent = new SortEvent(grid,sortColumn, grid.getRows(), sortDataIndex);
sortEvent.setAttribute(ScrollableDataTableUtils.CLIENT_ROW_KEY,sortStartRow);