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FAQ

  • What is a data contract?
    A data contract is a formal agreement between a service and a client that abstractly describes the data to be exchanged. That is, to communicate, the client and the service do not have to share the same types, only the same data contracts.
  • Is Datacontract mandatory in WCF?
    3 Answers. No, the DataContractAttribute is not required - WCF will infer serialization rules. The only thing I can think of to check is that the version of .NET is the same on all of your servers. You must decorate your classes with a DataContract and DataMember attributes to be used in a WCF service.
  • Why Datacontract is used in WCF?
    WCF uses a serialization engine called the Data Contract Serializer by default to serialize and deserialize data.We can also explicitly create a data contract by using DataContractAttribute and DataMemberAttribute attributes. This attribute can be applied to classes, structures, and enumerations.
  • What is Datacontract attribute?
    DataContract: DataContract is under namespace System.Runtime.Serialization. During design time, DataContract Attribute is used to indicate which class should be represented as XSD. ... DataContract attribute contains two get and set properties as Name and Namespace.
  • What is Datacontract serialization in WCF?
    Windows Communication Foundation (WCF) uses the DataContractSerializer as its default serialization engine to convert data into XML and to convert XML back into data. The DataContractSerializer is designed to serialize data contract types.
  • What WCF stands for?
    Windows Communication Foundation (WCF) is a framework for building service-oriented applications. Using WCF, you can send data as asynchronous messages from one service endpoint to another. A service endpoint can be part of a continuously available service hosted by IIS, or it can be a service hosted in an application.
  • What is WCF and why it is used?
    WCF stands for Windows Communication Foundation. It is basically used to create a distributed and interoperable Application. WCF Applications came into the picture in .Net 3.0 Framework. This is a framework, which is used for creating Service oriented Applications.
  • What is the difference between WPF and WCF?
    WCF = Windows Communication Foundation is used to build service-oriented applications. WPF = Windows Presentation Foundation is used to write platform-independent applications. Windows communication Fundation(WCF) is used for connecting different applications and passing the data's between them using endpoints.
  • Why we use WCF instead of Web services?
    Since WCF is SOAP based, which uses standard XML schema over HTTP, it could lead to slower performance. WEB API is a better choice for simpler, light weight services. WEB API can use any text format including XML and is faster than WCF. WEB API can be used to create full-blown REST Services.
  • What is WCF and Web service?
    Basic and primary difference is, ASP.NET web service is designed to exchange SOAP messages over HTTP only while WCF Service can exchange message using any format (SOAP is default) over any transport protocol i.e. HTTP, TCP, MSMQ or NamedPipes etc. ... Web Services use XmlSerializer but WCF uses DataContractSerializer.
  • What is message contract?
    A message is nothing but a packet and WCF uses this packet to transfer the information from source to destination. This message is contained in the header or body. A message contract is used to control the structure of a message body and serialization process.
  • What is difference between message contract and Datacontract in WCF?
    Data Contract in WCF is an agreement between parties (i.e. a service and a client) that describes what type of data will be exchanged between them? On the other hand, Message Contract describes the structure of SOAP messagethatis passed between parties (i.e. a service and a client).
  • What is message WCF?
    Message is the packet of data which contains important information. WCF uses these messages to transfer information from Source to destination. WCF uses SOAP(Simple Object Access Protocol) Message format for communication.
  • What are the contracts in WCF?
    The contract is one of the elements of a WCF endpoint that contains information about the WCF service. The contract also helps to serialize service information. There are two type of contracts, one is Service Contracts, Data Contracts, Fault Contract and Message Contract.
  • What is DataContractSerializer in WCF?
    Windows Communication Foundation (WCF) includes a new serialization engine, the DataContractSerializer. The DataContractSerializer translates between .NET Framework objects and XML, in both directions. ... WCF also includes a companion serializer, the NetDataContractSerializer.
  • What is DataMember in WCF?
    A datacontract is a formal agreement between a client and service that abstractly describes the data to be exchanged. In WCF, the most common way of serialization is to make the type with the datacontract attribute and each member as datamember. Creating a basic DataContract and DataMember.
  • Why DataContractSerializer is faster than XMLSerializer?
    DataContractSerializer is the default serializer fot the WCF. DataContractSerializer is faster than XMLSerializer because we don't have full control over serialization. ... This approach serializes properties as well as fields. DataContractSerializer can serialize protected and private members also.