TField.ImportedConstraint¶

Constraint for the field value on the level of the underlying database.

Declaration¶

Source position: db.pas line 483

published property ImportedConstraint: string;

Description¶

ImportedConstraint contains any constraints that the underlying data engine imposes on the values of a field (usually in an SQL CONSTRAINT) clause. Whether this field is filled with appropriate data depends on the implementation of the TDataset descendent.

See also¶

Name	Description
TField.CustomConstraint	Custom constraint for the field's value.
TDataset	Base class for records-based data-access.
TField.ConstraintErrorMessage	Message to display if the CustomConstraint constraint is violated.