programming wcf services

Address: http://www.silverlightshow.net/items/Working-with-collections-in-WCF-RIA-Services-part-two.aspx This is the second part of this article. In the first part, we discuss two relatively simple set types: entityset and entitylist. In this article, we will learn more about the other two more advanced types: icollectionview and domaincollectionview. Icollectionview Icollectionview is not a new

These two days should need to study the next WCF service and Flex 3 RIA related development technology, and handwriting on some of the code, found that before the consideration of a number of detailed issues to be noted, resolved, intends to use this continuously updated article to record, will be through the Flex 3 RIA application to use the WCF service process The problems and solutions found are document

WCF Distributed Development Common error Resolution (1): An error occurred while attempting to find services at ... Error adding service referencewhen we add a WCF service reference to the client, the message is as followsAn error occurred while downloading "Http://localhost:8001/WCFService". Unable to connect to remote serverUnable to connect because the target

WCF can be called as WebService, and the method of invoking WCF services through Ajax within HTML is as follows:1. Create a new Web project for a WCF service;2. Add a new item within the project: WCF services with AJAX enabled;3,

The WCF4.0 supports the routing mechanism and implements the request distribution and interception processing through Routingservice.　　First, the application scenario1, exposing a endpoint outside the network, the rest of the services deployed in the intranet;2, the request distributes, can do the load function to the service; 　　Second, WCF4.0 routing service　　Figure 1-WCF RoutingWCF Routingservice us

. Orders. Include ("order_details ") Where order. Customer. City = City Select order; Return selectedorders; } Catch (exception ex) { Throw new applicationexception ("an error occured: {0}", ex ); } } Interceptors Intercept the request, so that you can add your own business processing logic. Currently, the system has two predefined values: Queryinterceptor: restricted use of the queried object data range Changeinterceptor: used to modify an object

HTTP service security questions about WCF in Vista: Security issues of HTTP Services in WCF under VistaToday, a wcf tcp program is developed under Vista and runs normally,I suddenly wanted to expose the HTTP interface. According to the instructions in the WCF docume

The example in this article describes the way jquery implements the Ajax invocation of WCF services. Share to everyone for your reference, specific as follows: About Ajax call WCF services are divided into Cross-domain and not cross-domain two ways, today we first introduce the next not Cross-domain call method. The d

loaded to the client. This is suitable for most application scenarios. In other cases, we can solve the problem through DomainCollectionView. DomainCollectionView In many enterprise applications, tens of thousands or even millions of data records are sorted, filtered, and grouped. ICollectionView is no longer applicable to such scenarios. The reason is described above. We need a set that allows the server to sort, filter, group, and more important paging operations. This is the responsibility

is that the Astoria framework never initialized the service and failed in the WCF pipeline. to see the error at this layer, you will need 2) Configure your servicebehavior with the specified deexceptiondetailinfaults attribute. Via code: [System. servicemodel. servicebehavior (includeexceptiondetailinfaults = True )] Public Class Yourservice: dataservice Yourprovider > Via config: System. servicemodel >

In a WCF service invocation that is based on a session channel, due to the limited number of concurrent channels, we need to close the channel in time, when encountered some anomalies, we need to forcibly suspend (Abort) channel, the relevant principle, you can refer to my Article "service agent can not be closed in time what will be the consequences?" ". In real enterprise development, as we generally do not allow developers to manually control the o

WCF Four (code creation service and client) briefWhen developing a WCF program, how to choose a suitable binding for the reliability of message transmission, whether the transmission mode is cross-process, host, network, transmission mode support, security, performance and other aspects have an important impact.Here are some examples Binding Name Description of Use Version

Copy Code code as follows: Using jquery ajax call WCF service Get/post/put/delete Http://www.codeproject.com/Articles/254714/Implement-CRUD-operations-using-RESTful-WCF-Servic Using POST method Retrieve a representation of the addressed member of the collection, in the example below, create a new entry in the Colle Ction. Collapse | Copy Code $.ajax ({ Type: "POST", URL: "

Service-based development has started since 2005, and by 08 Microsoft and Sun have provided a number of service-based development frameworks.The service-based framework of the Microsoft. NET platform is mainly:. NET Remoting, WebService, heavyweight WCF frameworks.With the development of Internet technology, ASP. NET WebForm is gradually replaced by ASP.It is believed that the lightweight RESTful service framework such as the ASP. NET MVC WEB API in t

Deploying WCF Ria services in IIS6 is simple, but some problems may also occur. Our application is Silverlight 4 business application, which applies the WCF Ria service and. NET Framework 4 environment, so we encountered some problems. The main environment involved is Windows Server 2003 R2/Enterprise Edition, which is deployed when Visual Studio 2010 is not

Thank:Http://www.cnblogs.com/dudu/p/3328066.htmlIf you are prompted to repeat the Web. config configuration, it is likely that the. NET Framework version is a problem, and the version in IIS is set to 2.0.How do I get IIS10 to support WCF services?1. First add MIME type: extension ". svc", MIME Type "Application/octet-stream":2. Then add the managed Handler (add managed handler) in "Handler Mappings (Handle

First Add Windows Features ?? Ensure that the following services are opened Net.TCP Listener AdapterNet.TCP Port Sharing ServiceWindows Process Activation Service?? Add Net.TCP in the high-level settings of your website ?? Create a new application in IIS, and the path is assigned to the release, by the WCF category. Insure Web. config in Address to net.tcp://l

WCF services hosted in IIS that are based on TCP bindings First, create a TCP binding based WCF Service 1, create a simple service specific code as follows service contract definitionnamespace simpleservice{ // Note: Using the rename command on the Refactor menu, you can change the interface name "Ihelloservice" in code and configuration files at the

Data cannot be retrieved from the database when the code, compilation result, and database are determined to be normal. Error prompt: sysyem. net. webexception: the remote server returns the error notfound. The Listener finds that the requested Database Service is abnormal and the access address http404 is incorrect. An error occurred while initiating a request to the database. Error message after access to SVC address After confirming that the other aspects are normal and the VS is fixed, t

In the previous article, I resolved the exception handling in the service invocation process and the shutdown of the service proxy by using delegate method. Readers of WCF Technical Profiling (Volume 1) should know that in chapter 7th I solved similar problems through an AOP approach, and now we're going to discuss the solution. What will happen if the service agent cannot be closed in time? , we know the importance of closing the service agent in ti