Change auto implemented properties to normal and deserialization with BinaryFormatter

Question

I have an object with a property implemented like ``` public String Bla {get;set;} ``` After changing the implementation to something like ``` private String _bla; public String Bla { get { return _bla; } set { _bla = value; } } ``` on deserialzation, this Property comes up empty. i have lots of serialized data from the old implementation, and would like to load them with the new implementation is there any way, to change the implentation to be compatible with older binary files? EDIT: Some people might run into the same problem, so here's my hackish solution: the autogenerated fields have a naming convention that is non-valid c# code: ``` [CompilerGenerated] private string k__BackingField; [CompilerGenerated] public void set_MyField(string value) { this.k__BackingField = value; } [CompilerGenerated] public string get_MyField() { return this.k__BackingField; } ``` the quick and dirty fix for me was to create a private backing field called `xMyFieldxK__Backin…

Accepted Answer

Try implementing `ISerializable`

```
    [SecurityCritical]
    public virtual void GetObjectData(SerializationInfo info, StreamingContext context)
    {
        if (info == null)
            throw new ArgumentNullException("info");

info.AddValue("name of compiler generated field", _bla);
    }
```

Change auto implemented properties to normal and deserialization with BinaryFormatter

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