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Querying/Updating data in RIA Service

The below diagram are self explanatory to discuss about the querying or updating the data using RIA service

fig: WCF RIA to Query data

fig: WCF RIA to update data


  • Always create the service with Interface->Implementation format, mention the contract in Interface.
  • Define the service in Class library and refer the class library in Host project. Don’t use service class in host project.
  • Change the instance mode to per call as default.
  • Always catch exception using try/catch block and throw exception using FaultException < T >.
  • Logging and Include exception should be enable while compiling the project in debug mode. While in production deployment disable the logging and Include exception details.