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WCF Data Services Server


Fully-featured server API for responding to OData queries and consuming/producing OData payloads. Supports OData v3. Targets .NET 4.0 or Silverlight 4.0. Localized for CHS, CHT, DEU, ESN, FRA, ITA, JPN, KOR and RUS.

To install WCF Data Services Server, run the following command in the Package Manager Console

Install-Package Microsoft.Data.Services -Version 5.4.0

Release Notes

------------------------------New Features------------------------------

Client deserialization/serialization hooks

We have a number of investments planned in the “request pipeline” area. In 5.4.0 we have a very big set of hooks for reaching into and modifying data as it is being read from or written to the wire format. These hooks provide extensibility points that enable a number of different scenarios such as modifying wire types, property names, and more.

Instance annotations on atom payloads

As promised in the 5.3.0 release notes, we now support instance annotations on Atom payloads. Instance annotations are an extensibility feature in OData feeds that allow OData requests and responses to be marked up with annotations that target feeds, single entities (entries), properties, etc. We do still have some more work to do in this area, such as the ability to annotate properties.

Client consumption of instance annotations

Also in this release, we have added APIs to the client to enable the reading of instance annotations on the wire. These APIs make use of the new deserialization/serialization pipelines on the client (see above). This API surface includes the ability to indicate which instance annotations the client cares about via the Prefer header. This will streamline the responses from OData services that honor the odata.include-annotations preference.

Simplified transition between Atom and JSON formats

In this release we have bundled a few less-noticeable features that should simplify the transition between the Atom and (the new) JSON format. (See also the bug fixes below on type resolver fixes.)

------------------------------Bug fixes------------------------------

In addition to the features above, we have included fixes for the following notable bugs:
- Fixes an issue where reading a collection of complex values would fail if the new JSON format was used and a type resolver was not provided
- Fixes an issue where ODataLib was not escaping literal values in IDs and edit links
- Fixes an issue where requesting the service document with application/json;odata=nometadata would fail
- Fixes an issue where using the new JSON format without a type resolver would create issues with derived types
- (Usability bug) Makes it easier to track the current item in ODataLib in many situations
- Fixes an issue where the LINQ provider on the client would produce $filter instead of a key expression for derived types with composite keys
- (Usability bug) Fixes an issue where the inability to set EntityState and ETag values forced people to detach and attach entities for some operations
- Fixes an issue where some headers required a case-sensitive match on the WCF DS client
- Fixes an issue where 304 responses were sending back more headers than appropriate per the HTTP spec
- Fixes an issue where a request for the new JSON format could result in an error that used the Atom format
- Fixes an issue where it was possible to write an annotation value that was invalid according to the term
- Fixes an issue where PATCH requests for OData v1/v2 payloads would return a 500 error rather than 405



Microsoft Corporation



Version History

Version Downloads Last updated
WCF Data Services... 5.8.1 21,887 Tuesday, November 8, 2016
WCF Data Services... 5.8.0 1,562 Monday, October 31, 2016
WCF Data Services... 5.8.0-beta 268 Friday, September 30, 2016
WCF Data Services... 5.7.0 72,339 Friday, November 20, 2015
WCF Data Services... 5.7.0-rc 385 Friday, October 30, 2015
WCF Data Services... 5.7.0-beta 1,186 Thursday, September 10, 2015
WCF Data Services... 5.6.5-beta 11,427 Friday, June 26, 2015
WCF Data Services... 5.6.4 59,769 Monday, March 30, 2015
WCF Data Services... 5.6.3 23,353 Tuesday, October 21, 2014
WCF Data Services... 5.6.2 33,901 Monday, August 4, 2014
WCF Data Services... 5.6.1 25,707 Tuesday, February 25, 2014
WCF Data Services... 5.6.0 94,366 Friday, August 16, 2013
WCF Data Services... 5.6.0-rc1 328 Tuesday, July 30, 2013
WCF Data Services... 5.6.0-alpha1 492 Saturday, June 29, 2013
WCF Data Services... 5.5.0 14,421 Thursday, May 30, 2013
WCF Data Services... 5.5.0-rc1 334 Tuesday, May 14, 2013
WCF Data Services... 5.5.0-alpha2 297 Friday, April 26, 2013
WCF Data Services... 5.5.0-alpha1 236 Tuesday, April 9, 2013
WCF Data Services... 5.4.0 (this version) 7,311 Tuesday, April 2, 2013
WCF Data Services... 5.4.0-rc1 280 Tuesday, March 19, 2013
WCF Data Services... 5.3.0 5,872 Monday, February 18, 2013
WCF Data Services... 5.3.0-rc1 754 Thursday, January 31, 2013
WCF Data Services... 5.2.0 7,915 Monday, December 17, 2012
WCF Data Services... 5.2.0-rc1 316 Monday, December 3, 2012
WCF Data Services... 5.1.0 7,661 Wednesday, November 7, 2012
WCF Data Services... 5.1.0-rc2 842 Friday, September 21, 2012
WCF Data Services... 5.1.0-rc1 980 Wednesday, July 11, 2012
WCF Data Services... 5.0.2 12,131 Wednesday, August 29, 2012
WCF Data Services... 5.0.2-rc 224 Wednesday, August 15, 2012
WCF Data Services... 5.0.1 4,896 Friday, May 18, 2012
WCF Data Services... 5.0.1-rc 374 Tuesday, May 8, 2012
WCF Data Services... 6,383 Wednesday, April 11, 2012