If you want to return the results of a particular query on the data , as opposed to providing a dynamic view of a subset of the data , use the 如果要返回对数据的特定查询的结果(而不是提供数据子集的动态视图) ,要实现最佳性能,请使用dataview的
To a custom control , or in an application that is not data - bound , including how to search for particular values in a 以下主题描述如何向自定义控件或在未数据绑定的应用程序中公开dataview的内容,其中包括如何在dataview中搜索特定值以及如何基于父子关系创建子数据的视图。
Along with filter criteria , sort criteria , and a row state filter . for more information about the additional arguments available for use with the Dataview构造函数可以为空,也可以采用datatable作为单个参数,也可以同时采用datatable与筛选条件、排序条件和行状态筛选器。
With a single table just to expose the table through web services or any other mechanism that requires serialization . create a datatable from a dataview you can now create a 此外, datatable可以自行进行序列化,所以,包含单个表的dataset不必只是通过web服务或任何其他要求序列化的机制来公开表。
These are the text , html , and xml visualizers , all of which work on string objects , and the dataset visualizer , which works for dataset , dataview , and datatable objects 分别是文本可视化工具、 html可视化工具和xml可视化工具以及数据集可视化工具,前三种均用于字符串对象,后一种用于dataset 、 dataview和datatable对象。