拖动滚动条分批加载行数据（对大数据量比较合适），是分页之外的另一种选择。类似dojo的turboGrid方式 -Drag the scroll bar to load rows of data in batches (for large amounts of data more appropriate), is a page other than another option. Similar to the dojo' s

ext控件 ext.ux.livegrid -ext.ux.livegrid