您好 ChenCharles,
DataTable中的过滤符中like可以有以下几种用法。
dataView.RowFilter = "Name LIKE 'j*'" ; // values that start with 'j'
dataView.RowFilter = "Name LIKE '%jo%'" ; // values that contain 'jo'
dataView.RowFilter = "Name NOT LIKE 'j*'"; // values that don't start with 'j'
我们可以使用 * 和 %，不可以使用_, 因为过滤语句最终都要转化为C#代码。其中*对应string的StartWith和EndWith方法，%对应string的Contains方法。在string中并没有方法和_相对应。
Best Regards,
Li Wang
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