FireDAC.Stan.Param.TFDParam.Clear
Delphi
procedure Clear(AIndex: Integer = -1);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| procedure | public | FireDAC.Stan.Param.pas | FireDAC.Stan.Param | TFDParam |
Description
Sets the Value of the parameter to NULL.
Use the Clear method to assign a NULL value to a parameter. Calling Clear neither sets nor clears the Bound, DataType properties. When assigning a NULL value to a parameter, set the Bound, DataType properties and call Clear.
AIndex parameter allows to specify the value index of array-valued parameter.