What is MessageContract in WCF?
What is MessageContract in WCF?
In WCF a data contract enables us to define the structure of the data. This data is sent in the body of an envelope. A message contract is used to control the structure of a message body and serialization process. It is used to send/access the information in the soap header.
What is fault contract in WCF?
A Fault Contract is a way to handle an error/exception in WCF. In C# we can handle the error using try and catch blocks at the client-side. The purpose of a Fault Contract is to handle an error by the service class and display in the client-side. To support SOAP Faults, WCF provides the FaultException class.
What is serialization in WCF service?
Windows Communication Foundation (WCF) uses the DataContractSerializer as its default serialization engine to convert data into XML and to convert XML back into data. For more information, see Using Data Contracts and Serializable Types. Collection types. These are types that represent lists of data.
Which of the following attribute is used to define header and body elements of message contract?
MessageContract attribute
Defining Message Contract Message contract can be applied to type using MessageContract attribute. Custom Header and Body can be included to message using ‘MessageHeader’ and ‘MessageBodyMember’atttribute.
How to implement a message contract in WCF?
A Message Body Member is applied to the member of a message contract to declare the members within the message body. Data contracts are used to define the data structure and generate the XML for the data you want to pass. If you want to go for more control on your SOAP Message then you should go for a Message Contract.
How is a SOAP message used in 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. SOAP message contain Envelope, Header and Body.SOAP envelope contails name, namespace,header and body element.
How is a message contract used in soap?
A message contract is used to control the structure of a message body and serialization process. It is used to send/access the information in the soap header. By use of a Message Contract we can customize the parameters sent using a SOAP message between the client and the server.
How does WCF automatically create a message at run time?
WCF will automatically create the message for operation at run time. In Message style operation WCF allows to customize the message header and define the security for header and body of the message.
