DataContractJsonSerializer
I'm trying to use this method, to use this I must use System.Runtime.Serialization.Json
But it keeps saying that the Json part in System.Runtime.Serialization is missing.
I don't know that to install or any way arounf this
But it keeps saying that the Json part in System.Runtime.Serialization is missing.
I don't know that to install or any way arounf this

