对gridvie 自带的一些功能进项示范的例子，主要包括单元格的合并，自带分页，里面属性介绍，多层嵌套，导入导出，表头表尾等-Comes with some of the features on gridvie proceeds demonstration examples include cell merging, comes with paging, which attributes introduced nested, import and export, headers footers,