A data contract is a formal agreement between a service and a client that abstractly describes the data to be exchanged. A data contract precisely defines, for each parameter or return type, what data is serialized to be exchanged.
Questions tagged [datacontract]
798 questions
12
votes
1 answer
Adding a DataMember to an existing DataContract in WCF
I would like to add a DataMember to one of my DataContracts. I would like to know how existing servers and clients will behave in the presence of a new DataMember if one of the parties isn't updated.
I recall there is a way to make the DataMember…
Jader Dias
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12
votes
2 answers
Json parsing F#
r@".NETFramework\v4.0\Profile\Client\System.Runtime.Serialization.dll"
open System.Runtime.Serialization
open System.Runtime.Serialization.Json
[]
type geo = {
[]
t:string
…
jlezard
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votes
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InvalidDataContractException is an invalid collection type since it have DataContractAttribute
I have this code:
[DataContract]
class MyData
{
private Int32 dato1;
[DataMember]
public Int32 Dato1
{
get { return dato1; }
set { dato1 = value; }
}
public MyData(Int32 dato1)
{
this.dato1 =…
cls71
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votes
7 answers
WCF Data Contract and Reference Entity Data?
Soliciting feedback/options/comments regarding a "best" pattern to use for reference data in my services.
What do I mean by reference data?
Let's use Northwind as an example. An Order is related to a Customer in the database. When I implement my…
Brian
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11
votes
1 answer
How do I pass value to List property while testing my WCF service?
I am testing a WCF service method which accepts a DC type parameter, some of my DC properties are of type List. How do i pass values to that, I tried strings in "", did not accept, Please refer the attached screenshot.
AdjReason in the attached…
KeenUser
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11
votes
3 answers
DataContract serialization of property of "Type"
How can I effectively serialize a property of type "Type" in my DataContract attributed class? I'm assuming that Type is a non-serializable Type (wow that's getting silly sounding.) I'm sure that there is a way to do this that meets my needs. …
Firoso
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11
votes
3 answers
Constructor in WCF DataContract not reflected on Client
I need to have some data members get some values when I create an instance of the DataContract on the client. This is not happening using constructors. I have searched through different forums and found we have to use [OnDeserializing] and…
Subhasis
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votes
4 answers
What is best-practice when designing SOA WCF web-services?
Given an operation contract such as:
[OperationContract]
void Operation(string param1, string param2, int param3);
This could be redesigned to:
[MessageContract]
public class OperationRequest
{
[MessageBodyMember]
public string Param1 {…
Victor
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votes
3 answers
Why can't I use WCF DataContract and ISerializable on the same class?
I have a class that I need to be able to serialize to a SQLServer session variable and be available over a WCF Service. I have declared it as follows
namespace MyNM
{
[Serializable]
[DataContract(Name = "Foo", Namespace =…
Dave
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11
votes
3 answers
Unable to cast Base class (data contract) to derived class
[DataContract]
public class SearchCriteria
{
[DataMember]
public string CountryID { get; set; }
}
[DataContract]
public class CitySearchCriteria: SearchCriteria
{
[DataMember]
public string CityID { get; set; }
}
I am creating…
Nirman
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11
votes
1 answer
DataContractSerializer: Deserialized object with reference id 'xyz' not found in stream. How to recover data?
I have persisted an array of objects to a file using DataContractSerializer. It has been working fine until recently when I started getting the following message.
Deserialized object with reference id '15' not found in stream
bei…
paul
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votes
1 answer
Why Dispose is being called on DataContract even though the service still refers to it?
I have defined the following DataContract which implements IDisposable:
[DataContract]
public class RegularFileMetadata : FileMetadataBase, IDisposable
{
bool _Disposed = false; //note this!
//...
protected virtual void Dispose(bool…
Nawaz
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votes
2 answers
Custom Element Names using the DataContractSerializer on a List of primitives
I'm interested about the best way to go about setting custom element names when using List of primitives with the DataContractSerializer. Let's say I have the following class which contains a List of Strings as a DataMember.
[DataContract]
public…
medkg15
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10
votes
1 answer
Custom serialization with DataContractSerializer
I'm currently using wrapper classes for my DataSets ,in order to implement custom serialization. I would like to use DataContractSerializer (more like have to use it) but still support the custom serialization. The problem is that the [DataContract]…
Chen
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votes
3 answers
Is there a way to export an XSD schema from a DataContract
I'm using DataContractSerializer to serialize/deserialize my classes to/from XML. Everything works fine, but at some point I'd like to establish a standard schema for the format of these XML files independent of the actual code. That way if…
Eric Anastas
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