TParam.Assign¶
Assign one parameter instance to another.
Declaration¶
Source position: db.pas line 1455
public
procedure TParam.Assign(Source: TPersistent); override;
Description¶
Assign copies the Name, ParamType, Bound, Value, SizePrecision and NumericScale properties from ASource if it is of type TParam. If Source is of type TField, then it is passed to TParam.AssignField. If Source is of type TStrings, then it is assigned to TParams.AsMemo.
Errors¶
If Source is not of type TParam, TField or TStrings, an exception will be raised.
See also¶
| Name | Description |
|---|---|
| TField | Provide access to the contents of a single field in a record. |
| TParam.Name | Name of the parameter. |
| TParam.Bound | Is the parameter value bound (set to fixed value). |
| TParam.NumericScale | Numeric scale. |
| TParam.ParamType | Type of parameter. |
| TParam.value | Value as a variant. |
| TParam.Size | Size of the parameter. |
| TParam.AssignField | Copy value from field instance. |
| Tparam.AsMemo | Get/Set parameter value as a memo (string) value. |