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Default value for the field
Source position: db.pas line 431
published property TField.DefaultExpression : string |
DefaultValue can be set to a value that should be entered in the field whenever the TDataset.Append or TDataset.Insert methods are executed. It should contain a valid SQL expression that results in the correct type for the field.
This feature is not yet implemented in FPC.
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Insert a new record at the current position. |
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Append a new record to the data |
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TDataset.CustomConstraint |