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The ESRI Dev Summit 2010 hosted in Palms Springs CA is open for registration. by albertpascual

My favorite conference/summit is now open for registration. If you are a developer in GIS or even just getting into mapping and location, this is a must go. You’ll find how to use the ESRI Silverlight SDK, Flex, JavaScript and the new iPhone SDK. So many...
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Error running ASP.NET application with impersonation: runtime Failed to start monitoring changes by albertpascual

When you get this error “ASP.NET runtime Failed to start monitoring changes (…) ” on your ASP.NET app is frustrating to find what is causing this problem, normally is when you moved an application from a computer to another. I personally seen it happen...
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Problems running Windows Communication Foundation (.svc) on an upgraded Windows 7 and IIS 7 by albertpascual

The installation to upgrade from Vista to Windows 7 does not fix or upgrades IIS 7. So IIS 7 wasn’t fix to run Silverlight xap files of Windows Services. When trying to run a Windows Service with SVC extension on a Windows 7 machine that was upgraded...
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The ESRI Latin American Conference in Bogota, Colombia by albertpascual

I was lucky enough to travel to Bogota to teach a ESRI ArcGIS Silverlight API workshop for the LAUC. All ESRI distributors in South America came to the conference and some came to the workshop. Was great meeting all the people passionate about GIS. It...
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Cloud Camp LA 9/30/2009 by albertpascual

CloudCamp is coming to LA on  9/30 CloudCamp is an unconference where early adapters of Cloud Computing technologies exchange ideas. With the rapid change occurring in the industry, we need a place we can meet to share our experiences, challenges...
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Starting with Silverlight 3 MEF to load .XAP files dynamically is a little harder than I thought by albertpascual

A few simple steps to start with MEF. Download the Managed Extensibility Framework from here   Add a reference to the MEF dll System.ComponentModel.Composition.dll found after unzipping the download at the MEF_Preview_6\bin\SL3   Add a new application...
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.NET RIA Services Part 4: Calling methods on the Server from Silverlight. by albertpascual

In Part 2 I introduced the concept of sharing code between tiers. When creating a new class in ASP.NET with the name .shared, .NET RIA Service will generate a hidden class as well in Silverlight with the same code. So you are compiling the code once in...
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Part 3: Accessing Security and Authentication in Silverlight using .NET RIA Services. by albertpascual

Please read the previous post from this series you can catch up. I have received many questions about the previous post of how the proxy files actually work. I was looking how .NET RIA Service connects ASP.NET and Silverlight, I was expecting the code...
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Working on Silverlight .NET RIA Services Part 2 by albertpascual

If you haven’t please read part 1 before reading this post. The most powerful thing about .NET RIA Services besides the whole framework, is the concept of sharing code from ASP.NET and Silverlight without extra steps and setting up Web Services manually...
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Mixing Silverlight and MS ASP.NET AJAX 3.5 in the same web application. by albertpascual

With the templates coming out of VS2008 when you create a Silverlight application, a ASP.NET Web project is created for you to test your Silverlight app that adds the control into a ASPX page and a HTML page. Many developers will use the power of ASP...
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