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by Max Paulousky
This article presents the techniques and caveats of building Silverlight applications that can be notified about database state changes via polling duplex. WSHttp binding and CLR triggers are used to implement the solution as well.
by Modesty Zhang
Port Cairngorm 2.2.1 to Silverlight 2 Beta 2. Includes all source code and a sample application.
by Ernesto Herrera
Integrate Reporting Services with your Silverlight Line-of-Business applications.
by Shuqian Ying
The source code and a simple demo program for a plug-in in Microsoft Managed Extensibility Framework (MEF) that provides visual display of email messages.

Latest Articles

by Stas Wolski
This article describes how to implement a meeting room booking system in an ASP.NET MVC project with dhtmlxScheduler.
by DrABELL
Pure HTML5 modal pop-up box ("darkbox") implemented via CSS 3
by DrABELL
Customize YouTube® video playback by adding web query parameters
by Geert van Horrik
This article tries to explain why you should use Catel as the (or one of the) frameworks when developing WPF, Silverlight, and Windows Phone 7 applications.

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RIA 

5 Feb 2018 by Stas Wolski
This article describes how to implement a meeting room booking system in an ASP.NET MVC project with dhtmlxScheduler.
13 Jun 2015 by DrABELL
Pure HTML5 modal pop-up box ("darkbox") implemented via CSS 3
14 Feb 2015 by DrABELL
Customize YouTube® video playback by adding web query parameters
3 Nov 2014 by Geert van Horrik
This article tries to explain why you should use Catel as the (or one of the) frameworks when developing WPF, Silverlight, and Windows Phone 7 applications.
31 Oct 2014 by Thota Nani
Hi, In my project we are using Silverlight, WCF Ria Services, DomainService Class in MVVM architecture. I am not understand clear flow of the code, How the Xaml is connected to the Code. Please any body can help me, i am suffering a lot in the project
4 Sep 2014 by Umesh Shukla
It is very much depend upon your requirements for choosing the framework. there are multiple framework available for your use like SPRING MVC, GRAILS, VAADIN, GWT, WICKET,PLAY, STRUTS AND JSF where you can write your back-end code as well develop your ui with html5 css3 and jquery.
20 Aug 2014 by Member 11026149
Hi,How to develop RIA web applications using HTML5, CCS3, JQUERY and JAVA. Is there any framework is available to built web applications.In my web application contains grids and drop downs with images and Rich Text editors are there.Can any one suggest, which frame work is good for this.
18 Apr 2014 by Rogerio P
Dear developers friends .In the last month I have faced a problem I can not solve . I know it will be difficult to explain to get some help but I'll try .I am developing an application in Silverlight , using WCF RIA Services.The environment of the company where I work has an internal...
26 Feb 2014 by Jorge J. Martins
I've solved it myself.Here's the thing:One combination I didn’t try before was to decorate the member with the [Include] AND complement the get method with the .Include(“PRT_EXT_NEWS_IMAGENS”).It seems to be working...
26 Feb 2014 by Jorge J. Martins
Hallo fellow codersI have this strange behavior on my Silverlight project working with RIA Services and ADO.NET Entity Data Model.On my Data Model I have a master table (PRT_NEWS) with two foreign keys to two related tables (PRT_EXT_NEWS_ESTADOS and...
5 Jul 2013 by Member 7802839
Hi All,Calculated properties work fine when the WCF RIA Services are created under the web page that hosts the Silverlight application. However, I cannot figure out why computed properties do not work with WCF RIA Services Class Library (everything else works fine with WCF RIA Services Class...
3 May 2013 by i964682
I don't know which type of result I should return.-> What do you need?Someone please give me tip.-> Use a query to get the data from both tables.
3 May 2013 by TokiHana
I am really confused.I followed this tutorial:http://msdn.microsoft.com/en-us/library/ee707362%28v=vs.91%29.aspx[^]I know how to add but now i don't know how to add method , which get data from 2 table not from a table.Because the result i want have properties from 2 tables.A for...
26 Mar 2013 by amin uddin cs
For people coming from SOAP/WSDL services background will find it hard to grasp some of the concepts of WCF RIA service initially. Say for example if you got an web service operation similar to this on your .asmx or WCF service public Employee GetEmployee() when you generate the proxy...
2 Jan 2013 by srinivas.dammalapati
When i select Combobox dropdown list and click on clear button its getting clear but if we not select Combobox dropdown and click on Clear button its throughing Complex object instances can not be shared in silverlight 5 but in silverlight 4 its working in both cases. Please can help me its very...
6 Nov 2012 by Member 9578199
Hi,I have an exposed stored procedure as JSON in ria services. When i go to this procedure adress in the localhost it works fine, when i upload to the server it dosen't work (normal tables work). the JSON file is 3.8mb.After adding the function import, i created my metadata for this...
31 Oct 2012 by Loki
It will work if you use Windows Authentication, even remotely.
30 Oct 2012 by Loki
You have to turn on Impersonation in the web.config. This will make IIS use your windows account when connecting to SQL....
30 Oct 2012 by Frank__Q
This is my connection string, which the web service (hosted in IIS) uses to connect to database
3 Oct 2012 by renabee
Hi, anyone knows any good tutorial on how to publish a RIA services project into azure and then reference those services in any silverlight project?
21 Aug 2012 by Christian Amado
My advice is that you must use hashed data in your .lic. Because if you can decrypt the encrypted data anyone can decrypt it. So, you have a security issue there.Remember that in silverlight isn't recommendable to read file from client PC. May be this class help you in server & client...
21 Aug 2012 by Nicorette
Hey guys, I have created a program which is generating an encrypted license file *.lic, now I am working on a RIAServicesLibrary which will be implemented in software to check,read(decrypt, encrypt) and display data in lic file. Right now I am using LicenseManager class to validate license, and...
31 Jul 2012 by Shuqian Ying
The source code and a simple demo program for a plug-in in Microsoft Managed Extensibility Framework (MEF) that provides visual display of email messages.
30 Jul 2012 by Christian Amado
Your code applies over the Entity Model not in database.So the model pass the query to the database and the database process the query.Regards.
29 Jul 2012 by Christian Amado
This brief tutorial pretends to demonstrate how to add custom properties inside DomainService's metadata class
25 Jul 2012 by Christian Amado
Is recomendable that you create one service for all tables. But this is not a limitation.Have you got Navigation property on your Entity Framework Model?Must have a relation in the model and Database of course.Hope it helps.
25 Jul 2012 by renabee
Hi,When creating the domain ria services, we should make one service for each table or one service for all tables??I'm asking this cause i created one service for each table, and worked fine with simple tables. But now i'm having problems with Parent/child tables... private...
1 Jul 2012 by DamithSL
public IQueryable GetJob_Allowance(){ var ListOfIdsA = new List(){1,2,3}; return this.ObjectContext.Job_Allowance.Where(ds => ListOfIdsA.Contains(ds.Job_ID));}If you get job ids from some other table create job id list as below and use that. var ListOfIdsA =...
1 Jul 2012 by Mostafa Elsadany
hi every om whis the in , any operators in linq or Lambda i want select all job id where job_id in (1,2,3)or how i can send condition public IQueryable GetJob_Allowance() {return this.ObjectContext.Job_Allowance.Where(ds => ds.Job_ID ---- {1,2,3});}thanks for anyhelp
27 Jun 2012 by Technoses
The above code will slow down the browser and the browser can hang when Rows in Grid will be 10000 or above.Please view the below suggestion:CS Codeprotected void grvGroups_RowDataBound(object sender, GridViewRowEventArgs e){ if (e.Row.RowType == DataControlRowType.DataRow) { ...
17 Jun 2012 by Mostafa Elsadany
hi everyone when filter data in domain data source class as example public IQueryable GetProduct2(int empno) { return this.ObjectContext.Product.Where(sa => sa.prono == empno); }so this filter before fetch data from database or after fill...
15 Jun 2012 by bluesathish
Hi Mayank,I think you need to manually set the timeout values in binding settings of your web.config file. By default it'll be a 1 minute, you should have to increase it.For (ex), bindings> There are several timeouts like closeTimeout,openTimeout etc. you can set...
14 Jun 2012 by Farhan Ghumra
data will be already filtered it wont be like that it will first fetch all d data and thn filter
14 Jun 2012 by Farhan Ghumra
ur answer is within ur question, u have to use .where(ur condition) in domain service class
13 Jun 2012 by Mostafa Elsadany
hi everyone how i cab retrieve data from database by ria service in silverlight with condition if i set condition in domain data source class this condition will filter data from memory after get all rows or filter data when get from database thanks from any help
4 Jun 2012 by Mayank Garg
Hi,While saving the large images in Sql Server-2008 R2 database from Silverlight 4.0 desktop application I am gettimg the below error.The HTTP request to 'http://' has exceeded the allotted timeout. The time allotted to this operation may have been a portion of a longer...
28 May 2012 by Savalia Manoj M
We are in the middle of the development cycle of our new product. When we designed it about a year ago, we chose WCF Services->Silverlight combination.I have been reading about RIA Services lately. My questions are1.What are the advantages that we get using WCF RIA Services over plain...
11 May 2012 by mbilal
please check you connection string
18 Apr 2012 by Shenwei Liu
Create and configure WCF RIA Services class library for Silverlight app
3 Apr 2012 by Unareshraju
please see below URL may helps to youhttp://blogs.telerik.com/vladimirenchev/posts/09-04-16/full-support-for-domaindatasource-with-radgridview-for-silverlight-3.aspx[^]http://blogs.telerik.com/blogs/posts/10-03-10/q1-2010-new-feature-paging-with-radgridview-for-silverlight-and-wpf.aspx[^]
3 Apr 2012 by Srinivasan Raj
I have to implement server side paging in Silverlight Datagrid with update functionality. My problem is there are 300 records in the database, The datagrid should display 10 records per page. I'm making some changes in the first page and then to the third page. Once I click submit Changes made...
12 Jan 2012 by Jaganathan Bantheswaran
Hi,I hope this pdf guide will help you
12 Jan 2012 by Savalia Manoj M
Hi All,I am developing Silverlight application with Prism 4 and WCF RIA service.I had searched on google to get sample explaining this, but failed to get any successful output.I am confuse about how to use RIA service in PRISM Application.Please suggest any link which provide...
30 Oct 2011 by DrABELL
ASP.NET GridView control hosting another GridView in data-centric web applications
25 Oct 2011 by defwebserver
An advanced LightSwitch tutorial covering PreProcess Queries, Email, PopUps, WCF RIA Services, and HTML pages
12 Oct 2011 by I.explore.code
Try clearing the browser cache and then reload the page. The XAP file has to be updated, also check for any script errors on the page. I know your question is old and you probably may have figured out the solution in which case I would request you to close this question.Cheers
16 Aug 2011 by FantasticFiasco
I am using web deploy in VS2010 to deploy my RIA project to IIS. How do I configure the deployment to not delete or deploy files in the App_Data folder. I want them untouched after the deployment.I already ticked the following setting in project settings:[X] Exclude files from the...
10 Aug 2011 by Piyush Nandanwar
HiI am working on an app where I am using WCF RIA services and entity framework.On laod,i have written a method which gets a list of schedules from database(as fetched using RIA method LoadOperation).I have put a breakpoint on the method,but when I debug it the list shows 0 count and...
9 Aug 2011 by Piyush Nandanwar
HiI have created a domain service class (WCF RIA Services) for the current architecture of database using entity framework model.I have added a method in domain service class which is used to get a record from two tables.But the changes are not reflecting in silverlight...
27 Jul 2011 by sharma sandeep
I want to manage the instance and concurrency mode in WCF RIA services like plain WCF service .how can i do this ,as the atribute does not appear in domin service(RIA serivice).
26 Jul 2011 by Kunal Chowdhury «IN»
Communicate Between Two Local Silverlight Applications
11 Jul 2011 by Uday Kumar B R
In this article you will learn How to develop Silverlight Application
8 Jul 2011 by Weidong Shen
Part 3 of a series describing the creation of a Silverlight business application using MEF, MVVM Light, and WCF RIA Services. In this part, we will discuss how custom authentication, reset password, and user maintenance are implemented in the sample application.
8 Jul 2011 by Weidong Shen
Part 2 of a series describing the creation of a Silverlight business application using MEF, MVVM Light, and WCF RIA Services. In this second part, we will go through various topics on how MVVM Light Toolkit is used in our sample application.
7 Jul 2011 by Weidong Shen
Part 1 of a series describing the creation of a Silverlight business application using MEF, MVVM Light, and WCF RIA Services.
6 Jul 2011 by Weidong Shen
This article describes building a sample Silverlight application with the MVVM Light toolkit, WCF RIA Services, and a pluggable application architecture using MEF.
4 Jul 2011 by mohit`12
Hello ,I am working on project with Silverlight 4 and Local Web hosting and i am really new to web Development.What needs to be done is here :Host a Website with Sign-In / Sign-up Page (DONE . Business Application does work)Able to see settings page which holds textboxes and labels and...
16 Jun 2011 by Kevin Ruse
10 Things Every Java Developer Should Know About Flex
26 May 2011 by Member 7958280
I Want Example of Error Logging or Tracing msgs to store in Database(SqlServer). Using Silverlight 4(C#) with ria Service and EF4.0
26 May 2011 by Abhinav S
Clog: Client Logging, Silverlight Edition[^] is an excellent article about a highly customizable client logging provider.
26 May 2011 by buzzluck68
Many thanks to Mark Salsbery for the answer to this problem. When I changed the project to debug from IIS, it told me that I needed to install ASP.NET 4 on my server. I thought I had already done that by using the Add Windows Features, but apparently that only intalled ASP.NET 2. So I...
25 May 2011 by Patrick Kalkman
Start by calling your WCF RIA service from an internet browser. WCF RIA services automagically creates an endpoint for you to connect on. Try it and check if you can get it to work without using your client.The endpoint is located at the following url: [ApplicationBaseURI] +...
24 May 2011 by buzzluck68
Hello, I have search everywhere for a solution to my problem, but I am not able to find one. I have built a Silverlight 4 Navigation app, and am using RIA Services to process a custom entity (which is essentially running server-side calls to COM dlls). In my debug environment, everything works...
22 May 2011 by Mohammad Elsheimy
In this article, we’ll see a brief introduction to Microsoft Silverlight, see how it fits with other technologies today, and watch it in action. Get ready!
19 May 2011 by David_Tucker
An article that compares Flex/Flash, Silverlight, HTML5/CSS3, jQuery/JavaScript for enterprise RIA development
12 May 2011 by Murtaza Abdeali
Canvas is one of the principal new elements of HTML5, the next great Web markup language that lets you build Rich Internet Application user interfaces. In this short article, I’ll demonstrate how to use the HTML5 canvas to draw the new Infragistics logo.
4 May 2011 by Hisham Abdullah Bin Ateya
aCloud Web Operation System running on the cloud
25 Apr 2011 by Visual WebGui
Explore the implementation and integration of HTML5 in the powerful Visual WebGui .NET framework as a custom control using jQuery
22 Apr 2011 by Bruno Tagliapietra
You can't enumerate (do a foreach) on some collection.Try doing a "var myNewCollection = yourCollection.ToList();" first and enumerate on that.
20 Apr 2011 by appxdev
Hi guys,I had a domain services (build in Silverlight Business Application Web) the Silverlight App local (e.g TestAppSilverlight and TestAppSilverlight.Web) is ok which I can implement CRUD method. (but I can't async this app !!!)But when I deploy this domain services via...
12 Apr 2011 by Weidong Shen
Part 4 of a series describing creation of a Silverlight business application using Self-tracking Entities, WCF Services, WIF, MVVM Light toolkit, MEF, and T4 Templates.
7 Apr 2011 by Joseph Magly
This article describes how to simplify web application development using Flex, Flash Builder, WebORB, and NHibernate, an open source object-relational mapper for the .NET framework.
6 Apr 2011 by StraightLazy
Sorry yes, this is indeed the answer... Can't see how i've missed that, by simply making a HttpResponse and writing what u want back I got the needed items!So if anyone has a similiar question send a response with HttpResponse and read it from the sender!Thanks for the help!
4 Apr 2011 by BobJanova
Before starting let me say I am not an RIA user.A web page (which is what an ASHX resolves to from the client point of view) has content. In that content you can put whatever you like, which the client (RIA) needs to parse. Your ASHX code has access to context.Response and in there you can...
2 Apr 2011 by StraightLazy
I have a RIA in silverlight which allows you to upload an image.Uri u = new Uri(PhotoAlbum.App.Current.Host.Source, "/upload.ashx/?filename=" + fileName);WebClient c = new WebClient();So the actual uploading goes fine. But I can't figure out a way to retrieve where it has been uploaded....
27 Mar 2011 by tikke
Hi , can anyone explain me what i need to do to create 3 nested datagrids using information out of 3 tables which have a 1 to many relation in a hierachical order (see http://img340.imageshack.us/i/tablesv.jpg/[^]) i managed to do 2 tables but i don't seem to get data out of the third (ref...
8 Mar 2011 by Weidong Shen
Part 3 of a series describing the creation of a Silverlight business application using Self-tracking Entities, WCF Services, WIF, MVVM Light Toolkit, MEF, and T4 Templates.
8 Mar 2011 by Weidong Shen
Part 2 of a series describing the creation of a Silverlight business application using Self-tracking Entities, WCF Services, WIF, MVVM Light Toolkit, MEF, and T4 Templates.
8 Mar 2011 by Weidong Shen
Part 1 of a series describing creation of a Silverlight business application using Self-tracking Entities, WCF Services, WIF, MVVM Light Toolkit, MEF, and T4 Templates.
22 Feb 2011 by rudigrobler
The top requested features for WPF, Silverlight and WP7
18 Feb 2011 by Marcio_Coelho
The creation of a user control that is built with watermark, tooltip and that can be reused in many areas of your app
15 Feb 2011 by Addison-Wesley
This chapter gives you a better understanding of what Flex is, both as a technology and as a development environment (Flash Builder).
13 Feb 2011 by Brij
This article discusses another official plugin of jQuery that is Globalization
4 Feb 2011 by Visual WebGui
VWG successfully reproduces the Web Forms development experience by offering pure Window Forms development paradigm for Web due to its unique application code virtualization technology which allows to virtualize over Web server rather than OS.
1 Feb 2011 by Tony Champion (Champion DS)
Deploying Silverlight with WCF Services
25 Jan 2011 by jlcj02
Hi.I am uisng SIlvelight 4, and RIA Services, so I am calling some store procedures with SL2005. the Store procedures all working successfull. except one of them, because it is taking a lot of time. I have an error regarding to timetout.This SP do a lot of instructions When I try it in SQL...
20 Jan 2011 by Gil Fink
Adding Metadata to Entities in The Data Model
13 Jan 2011 by Abhinav S
In all likelihood, You would need a web service for the business logic.RIA cannot be the bridge, that would be the entire application.The Silverlight UI would be part of the web application - so in effect, you cannot divide the application into a web app and a Silverlight app.
12 Jan 2011 by Espen Harlinn
Here is a good link:ScottGu's Silverlight Tips, Tricks, Tutorials and Links Page [^]And here is anotherScottGu's Silverlight 4 Training Kit[^]RegardsEspen Harlinn
12 Jan 2011 by Learning_abc
I am trying to learn Silverlight.For the application that i am developing i am using the ADO.Net Entity Framework as a Data Model.The questions that i have are :1. How do i create an N-Tier Application in Silverlight esp. when the solution is divided into Silveright Application and Web...
11 Jan 2011 by Kunal Chowdhury «IN»
A Quick Guide to Silverlight Ribbon Controls (Part - 1)
10 Jan 2011 by jebarson
Highlighted Features & Improvements In Silverlight 5
4 Jan 2011 by Jason Beres
Infragistics delivers better insight into complex business data with their data visualization controls, data visualization user experience and the Infragistics Motion Framework that lets you quickly build rich, interactive data visualizations to give users richer insight with an engaging experience.
10 Dec 2010 by Beavis Killer
This article demonstrates how to write a domain service factory to host plain old class object (POCO) entities and use them through RIA Services in Silverlight version 4.
10 Dec 2010 by Beavis Killer
This article demonstrates how to generate plain old class objects (POCO) from the Entity Framework v4 (EF4) and use them through RIA Services in SilverLight version 4.
2 Dec 2010 by Karl Treier
OK so I have followed all the steps in the example at:http://msdn.microsoft.com/en-us/library/ee707353(VS.91).aspx[^]And login is working but my DataDomainContext is not authenticated when calling RIA Services. How does the DataDomainContext know to use the authenticated identity...
20 Nov 2010 by Sandeep Mewara
It looks like you want to ask this question to an author related to his/her article. I would suggest you to please use the forum present at the end of the article in order to reach author and get quick response. Rarely you will find authors reading this forum. Please post the same at the...
19 Nov 2010 by Modesty Zhang
Session Management, Navigation, Security and Data Sharing aspects of SOHA - Service Oriented HTML Application