Clear the parameter value.
Source position: db.pas line 1456
| public procedure TParam.Clear; | 
Clear clears the parameter value, it is set to UnAssigned. The Datatype, parameter type or name are not touched.
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 | Value as a variant. | |
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 | Name of the parameter. | |
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 | Type of parameter. | |
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 | Data type of the parameter. |