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EnforceConstraints

EnforceConstraints

EnforceConstraints

EnforceConstraints

1

The errors must be resolved before attempting to reset the EnforceConstraints property to true .

在试图将 EnforceConstraints 属性重置为 true 之前，必须消除这些错误。

2

Constraints on a DataSet are not enforced unless the EnforceConstraints property is true .

除非 EnforceConstraints 属性是 true ，否则不在 DataSet 上强制约束。

3

In this case , the EnforceConstraints property is set to false , and all rows that are invalid are marked in error .

这种情况下，EnforceConstraints 属性将设置为 false ，并且所有无效行都会标记为出错。

4

The following example adds a UniqueConstraint to a DataSet and sets the EnforceConstraints property to true .

下面的示例将 UniqueConstraint 添加到 DataSet ，并将 EnforceConstraints 属性设置为 true 。

5

Occurs when a target and source DataRow have the same primary key value, and EnforceConstraints is set to true .

当目标和源 DataRow 的主键值相同且 EnforceConstraints 设置为真时发生。

6

Constraints are not enforced unless the EnforceConstraints property is set to true .

除非将 EnforceConstraints 属性设置为 true ，否则不会强制约束。

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