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Calling Public Web Services from a Sandboxed Silverlight Application (Visual How To)

Posted By:      Posted Date: April 14, 2011    Points: 0   Category :SharePoint
Learn how to create sandboxed Microsoft Silverlight solutions that can call public web services in SharePoint 2010.

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Sample: Calling Public Web Services from a Sandboxed Silverlight Application (Visual How To)

Explore the code as you learn to create sandboxed Silverlight solutions that can call public web services in SharePoint 2010.

Video: Calling Public Web Services from a Sandboxed Silverlight Application (Visual How To)

Watch a short video as you learn to create sandboxed Silverlight solutions that can call public web services in SharePoint 2010.

Calling WCF Services From Silverlight Keeping The Code Inline in VB.NET

Hello,   I have a large amount of code that I'm trying to convert to a Silverlight 4 Application from a VB.NET Win Forms App.  All of the business logic code is written inline calling stored procedures on a database.  There is so much code that it's overhelming to be making asynchronous call after asynchronous call back to the WCF service.  The code is now all over the place since I'm having to chain methods all around after the WCF calls complete.    I don't really need these WCF calls to be done synchronously (since we don't want to block the main UI thread), but is there any good way in VB.NET to keep all the code in-line when calling a WCF service?  Is there some sort of wrapper that can be used to call the WCF methods or another way?  I know some of this is done easier in C#, but I'm having some issues with this being done in VB.NET.   Example In The VB.NET App I'm Converting:   Dim Customer As New Customer   If Customer.CheckIfCustomerExists(10) = True    'Calls the database, checks if Customer #10 exists        'Do Something   Else       Dim CustomerNum As Integer = Customer.InsertNewCustomer("Customer Name")       'Do Something    End If In Silverlight This Woul

Use of having multiple Services for single silverlight application

Hi My project have 4 modules, I have decided to use single service with multiple interface (1 interface for 1 module, i.e totally 4 interfaces) and multiple partial class ( 4 partial class). Partial classes use this interface. But I have another thought of using multiple service ( 4 services, i.e for each module one service class (.svc)). Please let me know, which approach is right? 

Calling Informatica web services from .Net application


While calling the web services provided by Informatica, i am facing the error.

At the time of Initialize the server connection i could observe the error as "This represents an internal error at the Informatica PowerCenter Web Services Hub.".

find the below code snippet


Dim a As Test1.DIServerDetails = New Test1.DIServerDetails()


Dim b As Test1.DIServerDate = New Test1.DISe

Building a 3-Tier App with Silverlight 3, .NET RIA Services, and Azure Table Storage

Silverlight 3, .NET RIA Services, and Windows Azure Services Platform makes a 3-tier Cloud application easier to build: Silverlight 3 as presentation tier, .NET RIA services as the business logic and data access tier, and Windows Azure Table as the data storage tier. The sample application in this article demonstrates the architecture with a simple Survey application with all these technologies working together from Windows Azure.

Integrate Reporting Services with Silverlight and RIA Services

One of the most wanted future features in Silverlight is the possibility to create business reports using Reporting Services. In this article, I will show how to use the existing Reporting Services technology with Silverlight and RIA Services combination.

all basic windows controls,wpf controls,silverlight application

here you will find all the information from basic.

Error while setting up application on Win7 using Visual Studio.NET 2003


Hi All,

Getting the below error while setting up application on Win 7 using visual studio.NET 2003.


cannot find the components for communiacting with the front page server extensions...


I understand by the error, i need to install Front page server extension, but not able to figure how to install using IIS 7.5.

I had XP machine with IIS 5.1, able to find the option.


Need your help in resolving this.




Workflow Services: Visual Design of Workflows with WCF and WF 4


The .NET Framework 4 makes it easier than ever to implement WCF services using WF. We'll demonstrate just how easy it is by modeling a long-running, durable and instrumented workflow based on a real-world business case without having to write any code.

Leon Welicki

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VS 2010: Entity Framework 4.0 and WCF Data Services 4.0 in Visual Studio 2010


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Elisa Flasko

MSDN Magazine April 2010

.NET RIA Services: Building A Data-Driven Expense App with Silverlight 3


.NET RIA Services provides a set of server components and ASP.NET extensions such as authentication, roles, and profile management. We'll show you how they work.

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MSDN Magazine May 2009

Lessons Learned: Optimizing A Large Scale Software + Services Application


Udi Dahan explains how his team identified and overcame unforeseen problems while developing a large-scale software + services trading application.

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Data Points: Using Silverlight 2 With ADO.NET Data Services


ADO.NET Data Services and Silverlight make a powerful combination, but to make them work well together, there are a few things you need to understand. Here, John Papa explains.

John Papa

MSDN Magazine April 2009

Data Services: Create Data-Centric Web Applications With Silverlight 2


ADO.NET Data Services provide Web-accessible endpoints that allow you to filter, sort, shape, and page data without having to build that functionality yourself.

Shawn Wildermuth

MSDN Magazine September 2008

Performance: Find Application Bottlenecks with Visual Studio Profiler


We will introduce you to the Visual Studio Profiler by walking through a sample performance investigation, pinpointing code inefficiencies in some sample applications.

Hari Pulapaka and Boris Vidolov

MSDN Magazine March 2008

PIAB And WCF: Integrating the Policy Injection Application Block with WCF Services


Using the PIAB you can enhance WCF services with policies such as validation, performance monitoring, authorization and caching without having to change a line of code.

Hugh Ang and David San Filippo

MSDN Magazine February 2008

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