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Statements

Subject Item: n9:this
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Subject Item: n2:VirtEntityFrameworkProgressDatService
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dcterms:created: 2017-06-13T05:41:51.593886
dcterms:modified: 2017-06-13T05:41:51.593886
rdfs:label: VirtEntityFrameworkProgressDatService
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dc:title: VirtEntityFrameworkProgressDatService
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sioc:attachment: n4:._.DS_Store n4:VirtAdoNetDataServices_01.png n5:._.DS_Store.mYRdNc n4:.DS_Store n4:VirtAdoNetDataServices_04.png n4:VirtAdoNetDataServices_05.png n4:VirtAdoNetDataServices_02.png n4:VirtAdoNetDataServices_03.png n5:.DS_Store n5:._.DS_Store
sioc:content: %VOSWARNING% %META:TOPICPARENT{name="VirtProgressEntityFrameworkUsage"}% ---+++Creating an ADO.Net Data Service An ADO.Net Data Service for the Progress tables can be created using the Entity Data Model created in the [[VirtProgressEDM][Creating EDM in Visual Studio 2008]] section. 1 Open the <nop>VirtuosoDataService project created in the [[VirtProgressEDM][Creating EDM in Visual Studio 2008]] section.%BR%%BR% 1 Right click on the isports project name in the Solution Explorer pane. Then, select the Add -> New Item menu options. %BR%%BR%<img src="%ATTACHURLPATH%/VirtAdoNetDataServices_01.png" style="wikiautogen"/>%BR%%BR% 1 The Add New Item dialog will appear. Choose the ADO.NET Data Service template. Give it the name WebDataService.svc and click Add to create the ADO.Net Data Service. %BR%%BR%<img src="%ATTACHURLPATH%/VirtAdoNetDataServices_02.png" style="wikiautogen"/>%BR%%BR% 1 In the newly created WebDataService1.svc.cs file, add the data source class name of isportsEntities (note this is the name set in the Creating EDM in Visual Studio 2008 section) as the <nop>DataService name. Then, enable access to the Data Service by adding the entry config.<nop>SetEntitySetAccessRule("*", <nop>EntitySetRights.All); in the <nop>InitializeService method. <verbatim> // C# using System; using System.Web; using System.Collections.Generic; using System.ServiceModel.Web; using System.Linq; using System.Data.Services; namespace isports { public class WebDataService1 : DataService<isportsEntities> { public static void InitializeService(IDataServiceConfiguration config) { config.SetEntitySetAccessRule("*", EntitySetRights.All); } } } </verbatim> %BR%%BR%<img src="%ATTACHURLPATH%/VirtAdoNetDataServices_03.png" style="wikiautogen"/>%BR%%BR% 1 To test the Data Service, simply hit Ctrl+F5 within Visual Studio. This will start the development web server, run the Data Services server inside, and load a Web browser page displaying the list of available tables/entities for the isports database catalog. %BR%%BR%<img src="%ATTACHURLPATH%/VirtAdoNetDataServices_04.png" style="wikiautogen"/>%BR%%BR% 1 To access a specific entity instance like the Order table order number 1 record, use this convention: http://host/vdir/WebDataService1.svc/Order(1) . %BR%%BR%<img src="%ATTACHURLPATH%/VirtAdoNetDataServices_05.png" style="wikiautogen"/>%BR%%BR% ---+++NOTES 1 Important - To view Atom (the default format returned by an ADO.NET Data Service) in Internet Explorer, you must first ensure that Feed Reading View is turned off. This can be done on the Content tab of Tools in Internet Options.%BR%%BR% 1 If a Data Services entity instance URI page fails to load, you can turn Verbose errors on by adding config.<nop>UseVerboseErrors = true; in the virtuoso.svc.cs <nop>InitializeService method. This enables you to obtain more detailed information from the server as to why the page failed to load: <verbatim> public static void InitializeService(IDataServiceConfiguration config) { config.UseVerboseErrors = true; config.SetEntitySetAccessRule("*", EntitySetRights.All); } </verbatim>
sioc:id: d8cb4f0fb08c405e97e82f86ce51159c
sioc:link: n2:VirtEntityFrameworkProgressDatService
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n16:has_services: n15:item
atom:title: VirtEntityFrameworkProgressDatService
sioc:links_to: n12:Order(1)
atom:source: n6:VOS
atom:author: n9:this
atom:published: 2017-06-13T05:41:51Z
atom:updated: 2017-06-13T05:41:51Z
sioc:topic: n6:VOS

Subject Item: n2:VirtProgressEntityFrameworkUsage
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