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如果我对 a 应用过滤器DataView,它是否DataSource也会过滤 a 。例如,如果我在 my 中有 7 行DataSource并且我对其进行过滤以便在 a 中看到 3 行GridView,那么DataView.DataSource现在是 3 行还是仍然保留原来的 7 行?
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