Rule Fields
[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]
Indicates the action that occurs when a ForeignKeyConstraint is enforced.
The following tables list the members exposed by the Rule type.
| Name | Description | |
|---|---|---|
  | Cascade | Delete or update related rows. This is the default. |
| None | No action taken on related rows. |
| SetDefault | Set values in related rows to the value contained in the DefaultValue property. |
| SetNull | Set values in related rows to DBNull. |
