Creates a new string which is a "user friendly" representation of the given value (in the user's locale, specially for the dates).
If the value is NULL or is of type GDA_TYPE_NULL, the returned string is a copy of "" (empty string).
Note: the returned value will be in the current locale representation.
| this |
an object which implements the DataHandler interface |
| value |
the value to be converted to a string, or null |
|
the new string, or null if an error occurred |