Im currently working on a large silverlight 3 project for a client that will ultimately have hundreds of calls from silverlight to wcf service operations. Since the data received is in the form of xml, any client application built on open standards can easily consume it. We show how to do silverlight binary serialization and compression with wcf services. Net data services ctp2 see this blog post for a complete list of the features in ctp2. Apr 09, 2020 this code sample demonstrates how to consume nettcp wcf in silverlight by creating a simple weather report subscription.
The wcf ria services is a framework that provides a pattern to write application logic that runs on the midtier and controls access to data for. Silverlight web services team everything about wcf and. You can call the wcf function and get the chunk of data and write this data into the. If you already have visual studio 2010 installed or the free visual web developer 2010 express, then you can install both the silverlight 4 tooling support as well as wcf ria services support by downloading and running this setup package note. The procedure and examples in this topic show you how to add a reference to the northwind streaming sample data service and call the getreadstream method to retrieve binary data as a stream from an odata service. This package can be used instead of adding references from the wcf ria services msi installation. Here is an example of the entire server side system. The error you get there was an error downloading metadata from the. A great tutorial about the windows communication foundation wcf with hundreds of samples. In the silverlight project, add the wcf service reference and name the service namespace as myref. Silverlight web services team everything about wcf and web. Well you may be asking a question now, is there something different about wcf service for silverlight application.
Using reactive extensions for a pushbased clientserver. For more information about how to use the wcf data services client library with a silverlightbased application, see wcf data services silverlight. The basic idea is to have a datagrid on the silverlight client and have the wcf service return a list of customers which will then be bound onto the datagrid. Setup silverlight application with wcf service to run over. How do i connect my silverlight app to a wcf service. This way, you can securely download the large file. Here we are going to use silverlight and wcf technology.
Code download updated to support silverlight 2 rtw code download introduction this is the second in a series of posts on the support for duplex communication with a wcf service added to silverlight 2 beta 2. Linqenabled client api for issuing odata queries and consuming odata payloads. Hosting wcf nettcp services in azure with a silverlight client. Create a rest based wcf service, which returns a response in an xml format or if you have no idea, then create a wcf service as demonstrated in the article create wcf web service in visual studio 2015. Back directx enduser runtime web installer next directx enduser runtime web installer. This code sample demonstrates how to consume nettcp wcf in silverlight by creating a simple weather report subscription. The final release of the silverlight 4 tools for visual studio 2010 and wcf ria services is now available for download download and install. In visual studio 2010 data will be downloaded much faster than now close to real time data etc. Restricting access to your wcf service to a known silverlight client pete brown 15 july 2009 lately ive worked with a number of customers who are familiar with nonservicebased ways of accessing their business logic.
Simplifying the process of calling a wcf service from silverlight or any. First make sure you wcf service is working properly. So, whenever you sould like to access server side resources, you will have to learn wcf. This is the second in a series of posts on the support for duplex communication with a wcf service added to silverlight 2 beta 2. I know it is impossible to attach it in the project properties and i cant find edit. In this article, i have used a silverlight 4 client application to make a call to wcf service using json. This is the third and final post in my current series on the support for duplex communication with a wcf service added to silverlight 2 beta 2. To develop silverlight client application for windows phone 7, use the wp7 subfolder of c. Net framework server and client libraries as well as silverlight client libraries. Lets take a look at how to create a silverlight enabled wcf service using visual studio 2008.
Wcf is a great tool, and because of the streamlined nature of silverlight, it is virtually essential for various types of data access. Jan 06, 2012 how to create and consume wcf service in silverlight. Wcf is an integral part of the communication stack for silverlight applications, but sometimes things go wrong, very wrong. The windows communication foundation wcf, previously known as indigo, is a free and. Accessing self hosted wcf service from silverlight 4. This silverlight call to the wcf service will be an asynchronous call. Jul, 2009 initially i did things the standard way which is to define a clientside class thats used to call the wcf service using the generated service proxy im basically following a service agent type of pattern. This project is intimately linked to the silverlight framework and part of the view layer of the mvvm architecture. The service acts as a communication interface between the client programs and the reporting engine. We want to create a silverlight application and a wcf service that pushes temperature data in the celsius scale to the client at random intervals. Download the large file in chunk using wcf service and silverlight. This produces less overhead than going through a service and e. We explore the wcf service boundary after upgrading sample applications to visual studio 2010 and silverlight 4.
Hosting silverlight application in a wcf rest service this. Reading data from wcf data service in silverlight 4. Create separate website for the silverlight application else the wcf and asp. Lets take a look at how to create a silverlightenabled wcf service using visual studio 2008.
Communicationexception with silverlight and wcf service. Telerik reporting wcf service enables the remote access to the reportprocessor. How to create and consume wcf service in silverlight. Simplifying the process of calling a wcf service from. Ill cover the following topics in the code samples below. In one of our products, we had to use wcf service with silverlight. We will then consume this wcf service and bind the data to a datagrid in silverlight. We are hoping to ship a visual studio item template in the future add new item silverlightenabled wcf service that will have a number of silverlightfriendly defaults, including the correct binding. Sep 07, 2010 this way, you can securely download the large file. A very useful feature in silverlight is the ability to use duplex services, so that the server can send messages to the silverlight client.
This first article will discuss how to write wcf service for silverlight clients. Wcf data services provides integration with data model built using ado. I have read several articles about saving data believe or not it is much better in silverlight. But, if you already know wpf, it will be added advantage.
I am trying to link each silverlight client class libary project to its corresponding wcf ria class libary for its services. For more information about how to use the wcf data services client library with a silverlight based application, see wcf data services silverlight. Nov 05, 20 microsoft download manager is free and available for download now. Reading data from wcf data service in silverlight 4 dotnetcurry. In this article, i will demonstrate how it is done using silverlight 4. Net application uses silverlight control, and wcf service is used by silverlight to get data from other locations. Creating a silverlightenabled wcf service visual studio.
The service agent class handles instantiating the wcf proxy object and calling the appropriate operations. Lets say you want to download the large file from your ui which is running on client side and the file resides at server side. Just published a blog post on how to host wcf nettcp services in windows azure and use them from a silverlight client. Calling wcf service from silverlight stack overflow.
To create a wcf service, right click the project in my case i am creating in a separate project and select wcf service, enter name and click add. Wcftestingtool is a software to test the wcf service method. Once wcf returns the chunk data, the silverlight application will open the filedialog and write the data into the stream, if the file size is greater than the chunk size, the program will call the wcf function again and get the next chunk. This is first article in three part series on writing an end to end solution using wcf, silverlight. Code download updated to support silverlight 2 rtw code download introduction. Localized for chs, cht, deu, esn, fra, ita, jpn, kor and rus. Configure a wcf service with ssl and consume from silverlight. Sep 12, 2010 a wcf rest service is an easy way to test silverlight applications or host utility apps that dont need to be especially scalable.
Hello, i have a silverlight app that i am trying to segment into modules using mef. This is done by editing file at the root of your domain. Silverlight 4 tools for vs 2010 and wcf ria services released. Creating and consuming a wcf service in silverlight. Duplex communication with wcf in silverlight 4 silverlight. Calling wcf services in silverlight 4 visual studio magazine. Creating a wcf service wcf provides several different ways for clients to bind to a service. Rather than let good research go to waste, i am posting the steps here.
Hosting silverlight application in a wcf rest service. Dan wahlin simplifying the process of calling a wcf. This section describes how to use client libraries to access and change data from a. I should point out that this technology in its current form has been. The service is responsible for managing the reports state and resources. Contribute to foxjazzwcf filemanager development by creating an account on github. Jun 24, 2010 in this episode, tomasz janczuk of the silverlight web services team joins john to demonstrate how to implement duplex communication with wcf in silverlight. Wcf data services for silverlight 4 now available for. The wcf ria services is a framework that provides a pattern to write application logic that runs on the midtier and controls access to data for queries, changes and custom. Code download updated to support silverlight 2 rtw code download introduction this is the third and final post in my current series on the support for duplex communication with a wcf service added to silverlight 2 beta 2. Recently microsoft released silverlight 4 beta which includes an update to the data services silverlight client. A nice feature of wcf programming is the support for rest and json, using which a client can communicate with the wcf service without using a proxy. I am now pleased to announce that we have shipped an updated data services client library with silverlight 4.
Now we want to avoid the serialization of certain fields because we will use them only in the client code and we dont want to download or upload them by the wcf web service and waste bandwidth. My recent column, adding wcf services to silverlight march 2010, focused on the overall modelviewviewmodel mvvm structure, not on aspects of the windows. A wcf rest service is an easy way to test silverlight applications or host utility apps that dont need to be especially scalable. Once the client is registered the wcf service will send the silverlight client updates every 5 seconds. Silverlight binary serialization and compression with wcf. Silverlight synchronousstyle wcf service client codeplex archive. Other client libraries are available that enable you to consume an odata feed. To do this you have to alter nfig file for the web site that hosts the service. Initially i did things the standard way which is to. Sep 23, 2010 wcf is an integral part of the communication stack for silverlight applications, but sometimes things go wrong, very wrong. To get data from the database to your silverlight client in a straight. This release includes all the features that we shipped in the sl3 ctp3 data service release as well as support for ntlm, basic and digest authentication. I find it convenient also to reference web services used by the silverlight client relative the base url of the rest service the url of the browser. If you are using a wcf service at the same location the silverlight app was served from you dont need a cross domain policy.
In this article, we will create a silverlight application that communicates with a wcf service to consume data. While working on silverlight and wcf, i found out some very interesting things and i feel that those are worth sharing. Let us understand more about the wcf ria service by creating silverlight client application which read and updated the employee details from wcf ria service. In silverlight, we have been provided with the system. I will create a sample application and explain things stepbystep. I should point out that this technology in its current form has been deemed by. Syncwcf is a library that allows silverlight to call wcf service with ease. Downloading in chunks using wcf and silverlight codeproject. If you absolutely need to download the file through your silverlight client first, you should think about using the webclient class. This is really useful when the server should control the when the messages are sent and pushed to clients as opposed to the client having to manage the code to regularly poll a service to find out if the state it is interested in has changed. Technical overview to demonstrate silverlight accessing wcf, you may need a wcf service and a silverlight wcf client.
Calling wcf services in silverlight 4 visual studio. In this episode, tomasz janczuk of the silverlight web services team joins john to demonstrate how to implement duplex communication with wcf in silverlight. Hi all, i have face an issue regarding calling wcf service from silverlight client, the issue is that when i restart my pc where my service has been hosted and then run silverlight client application which uses that service, it is unable to run, in this case i m going to brows the service manually, the service be up sucessfully, later i m going to run the silverlight client then it runs. Unfortunately that workaround does not work for silverlight 3 and windows phone 7 applications. How to consume wcf service over tcp transport in microsoft. Windows communication foundation wcf test client wcftestclient.
A while ago we shared a workaround for accessing some asmx services including sharepoints userprofileservice from silverlight 4. This file is used to grant cross domain features to the wcf service. Difficulty level download information to download this code sample, click the following link. For more information, see working with binary data wcf data services. A clientserver architecture built on wcf, silverlight, and ms access for my grandpas company to manage his customers, sales, and inventory. Server calling the client duplex wcf services in silverlight. If nothing happens, download github desktop and try again.
The main silverlight client project is the entry point of the silverlight client application. Download and install the latest version microsoft silverlight plug in for your browser. Everything about wcf and web services support in silverlight. Wcf services in silverlight 2 in depth explanation of wcf services for silverlight clients. Silverlight home page prepare for silverlight 5 end of support after october 2021. Ive created a solution in vs2010 with the three projects above. We will first create a wcf service that connects to the northwind database and retrieves customer details. The wcf service reference we have to add in the silver light application. Net application uses silverlight control, and wcf service is used by silverlight to. Aug 04, 2011 if you absolutely need to download the file through your silverlight client first, you should think about using the webclient class.
1176 1512 1452 715 1355 1234 557 1215 1529 1356 106 66 1063 123 1267 1053 752 958 291 290 714 1276 339 1073 1448 567 766 1120 426 1153 50