The UpdateDataConstraintsHandlingType enumeration determines handling type of data integrity constraint.
It is used by the following properties and methods:
| Value | Brief description |
| 0 | Default_. Mode is not determined. It is chosen by a core. |
| 1 | Ask. Ask in the dialog. If elements/records absent in update are present in updated object the dialog will be created, in which action is selected. On updating via the Fore language the OnAskConstraintsHandling event in which there is a possibility of certain situation handling is generated. |
| 2 | NoCheck. Do not check. An object will be updated, not checking integrity. |
| 3 | KeepRecordUnchanged. Do not delete/change elements/records. If in updated object there are elements/records absent in update such records will be saved. |
| 4 | KeepTableUnchanged. Do not update the whole dictionary/table. An object is not updated if in it there are elements/records absent in update. |
| 5 | ErrorBreak. Generate an exceptional case. Process of object update will be broken with error if there are elements/records absent in update. |
See also: