Assume object A has 6 fields, now the object A is serialized, after some time the 3 more fields are added and the object is deserialized. Adding of the new fields will create any exception when deserializing. How to have a backward compatibility

Reputation: 3135

Object Serialization

Assume object A has 6 fields, now the object A is serialized, after some time the 3 more fields are added and the object is deserialized.

Upvotes: 2

Reputation: 11

.Net has something called "Version Tolerant Serialization" ;)

Check out this easy to understand example on object serialization:

Upvotes: 0

Reputation: 35126

Upvotes: 4

Reputation: 4282

Generally add a version and implement custom serialization via ISerializable.

Handle appropriate defaults and or throw more appropriate exceptions there.

Upvotes: 0