Detailed introduction about failure to deserialize

Background I am using today: C# Json serialization and deserialization. The following error message appeared during deserialization. System.Runtime.Serialization.SerializationException: Data contract type "TestEntity" cannot be deserialized because the required data member "multipleChoice, runTimeDisplayColumns" was not found. In System.ComponentModel.ReflectPropertyDescriptor.SetValue(Object component, Object value) the specific reason is: I added two new properties to the deserialized entity class: private bool multipleChoice; &

1. C# Json deserialization data contract type cannot be deserialized because the required data member is not found

Introduction: The following error message appeared during deserialization.

2. json - After PHP array serialization, the data cannot be deserialized. Urgent

Introduction: I serialized an array into MySQL, then obtained it with PHP and sent it in JSON format. When the interface accepted the data, I converted the JSON into an array, and finally found the serialized array corresponding to the product_list key of the array. Cannot be deserialized, why is this? ...

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json - After PHP array serialization, the data cannot be deserialized, urgent

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