Set the field data type.
Source position: db.pas line 429
| public procedure TField.SetFieldType( | 
| AValue: TFieldType | 
| ); virtual; | 
| AValue | 
 | DataType for the field. | 
SetFieldType does nothing, but it can be overridden by descendent classes to provide special handling when the field type is set.
| 
 | The data type of the field. |