Convert enum type to string type when deserialize an xml

Question

hello i  have create an property with type enum 

public propkey mykey
{
    get
    {
        return this.myKeyField;
    }
    set
    {
        this.myKeyField = value;
    }
}

and i deserialize a xml to object that contain mykey as property but i want to get it as string before assign to enum. how can i do that ?