如何从.NET中删除约束从datatable？ [英] How to remove constraints from datatable in .NET?

问题描述

如果我合并两个数据库 dt1.Merge（dt2）; ，它显示类似这样的错误，我不能在我的datatable中设置任何约束约束。一个或多个行包含违反非空，唯一或外键约束的值。默认情况下，i在可视化器中显示约束计数为2.如何从datatable中删除约束并解决此错误？

I cannot set any constraints in my datatable if i merge two datatables dt1.Merge(dt2); It shows error like this Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints. By default i view in visualizer it shows constraints count as 2. How to remove constraints from datatable and solve this error?

推荐答案

要从DataTable中删除约束，您可以使用Constrains属性的Clear方法：

To remove constraints from a DataTable you can use the Clear method of the Constrains property:

myDataTable.Constraints.Clear();

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