Sets or retrieves the number of grid rows.
var value = obj.getRowCount();
obj.setRowCount(value);
obj.onRowCountChanging = function(value){...};
obj.onRowCountChanged = function(value){...};
obj.onRowCountError = function(value){...};
var myCells = [
["Cell text", "123", "5/18/2004"],
["More...", "456", "1/12/2006"]
]
var obj = new AW.UI.Grid;
obj.setCellText(myCells);
obj.setColumnCount(3);
obj.setRowCount(2); // show 2 rows
document.write(obj);
Row model: indices, position, offset, selected, state, height
Count properties: column, header, footer