ToNonNullString(String) | Makes sure returned string value is not null; if this string is null, empty string ("") will be returned. |
ToNonNullStringT(T) | Converts value to string; null objects (or DBNull objects) will return an empty string (""). |
ToNonNullStringT(T, String) | Converts value to string; null objects (or DBNull objects) will return specified nonNullValue. |