This print for content only-size & color not accurate 7" X 9-1/4" / casebound / malloy

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Note

The WCF runtime will also automatically encode any type marked with the 

[Serializable]

attribute.

However, when you define service contracts that make use of custom types as parameters or

return values, these types must be defined using a data contract. Simply put, a data contract is a

type adorned with the [DataContract] attribute. Each field you expect to be used as part of the pro-

posed contract is likewise marked with the [DataMember] attribute.

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Note

If a data contract contains fields not marked with the 

[DataMember]

attribute, it will not be serialized by

the WCF runtime.

To illustrate the construction of data contracts, let’s create a brand-new WCF service that inter-

acts with the AutoLot database created back in Chapter 22. As well, this final WCF service will be

created using the web-based WCF Service template. Recall that this type of WCF service will auto-

matically be placed into an IIS virtual directory, and it will function in a similar fashion to a

traditional .NET XML web service. Once you understand the composition of such a WCF service,

you should have little problem porting an existing WCF service into a new IIS virtual directory. 

C H A P T E R   2 5  

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