A detailed description of the inability to deserialize

The background is in use today: The following error message appears when C # Json serialization and deserialization is deserialized. System.Runtime.Serialization.SerializationException: Data contract type ' testentity ' cannot be deserialized because the required data member ' Multiplechoice is not found, Runtimedisplaycolumns ". In System.ComponentModel.ReflectPropertyDescriptor.SetValue (object component, Object value) The reason is: I added two new attributes to the deserialized entity class: private bool Multiplechoice; &

1. C # JSON deserialization data contract type cannot be deserialized because a required data member was not found

Summary: The following error message appears when deserializing.

2. After serialization of the json-php array, the data cannot be deserialized

Introduction: I put an array serialized in MySQL, and then after using PHP to send out in JSON format, the interface to accept this data, and then convert the JSON into an array, and finally found that the array product_list key to the corresponding serialized array can not be deserialized, What is this for? ...

"Related question and answer recommendation":

The session data between redis two programs is interconnected

After the json-php array is serialized, the data cannot be deserialized.