TFieldDef.Required property
Is the field required ?
Declaration
property Required: Boolean read FRequired write SetRequired;Description
Required is set to
True if the field requires a value when posting data to the dataset. If no value was entered, the dataset will raise an exception when the record is posted.
The
Required property is usually initialized based on the definition of the field in the underlying database. For SQL-based databases, a field declared as
NOT NULL will result
in a
Required property of
True.An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.