Item ID                Product                List Price                Unit Cost                Attribute                Status            

$(function(){            var lastIndex;            $('#tt').datagrid({                toolbar:[{                    text:'append',                    iconCls:'icon-add',                    handler:function(){                        $('#tt').datagrid('endEdit', lastIndex);                        $('#tt').datagrid('appendRow',{                            itemid:'',                            productid:'',                            listprice:'',                            unitprice:'',                            attr1:'',                            status:'P'                        });                        lastIndex = $('#tt').datagrid('getRows').length-1;                        $('#tt').datagrid('selectRow', lastIndex);                        $('#tt').datagrid('beginEdit', lastIndex);                    }                },'-',{                    text:'delete',                    iconCls:'icon-remove',                    handler:function(){                        var row = $('#tt').datagrid('getSelected');                        if (row){                            var index = $('#tt').datagrid('getRowIndex', row);                            $('#tt').datagrid('deleteRow', index);                        }                    }                },'-',{                    text:'GetChanges',                    iconCls:'icon-search',                    handler:function(){                        var rows = $('#tt').datagrid('getChanges');                        alert('changed rows: ' + rows.length + ' lines');                    }                }],                onBeforeLoad:function(){                    $(this).datagrid('rejectChanges');                },                onClickRow:function(rowIndex){                    if (lastIndex != rowIndex){                        $('#tt').datagrid('endEdit', lastIndex);                        $('#tt').datagrid('beginEdit', rowIndex);                    }                    lastIndex = rowIndex;                }            });        });