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Using the ESRI JavaScript API as the Silverlight control SDK by albertpascual

After Richie released the Map Viewer Silverlight control I thought to provide the control with an SDK.  Completely write an SDK in Silverlight for queries and tasks would take a long time. However ArcGIS 9.3 comes out with the Rest Api and Silverlight...

Windows Vista TCP/IP stack cannot send UDP packets? by albertpascual

Windows Vista came out with the new TCP/IP stack that was very promising TCP/IP v6 build in. That was great news for anybody that has worked in the socket world. I have been going in and out with my love and projects in IP and UDP. I do prefer UDP as...
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Fixing the Validation of viewstate MAC failed error issue. by albertpascual

This is just a quickie to see if that helps anybody. The GridView in GeoTwitter had a problem as was using the DataKeyNames. I was getting the error on the viewstate MAC failed error. Looks like adding the code below on the web.config fix the issue. <pages...
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What the AJAX Sys.ParameterCountException: Parameter count mismatch error? by albertpascual

Developers turn to Google or Cuil.com when they receive an error message, I believe is an automatic reaction, in the old days you were stuck debugging that COTS library, right now, we are looking for peers that went through the same experience, and hopefully...
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AJAX 4.0 release at CodePlex by albertpascual

I just received an email from my MVP lead about these new release. Seems like lately Microsoft is using CodePlex for all their releases, a very good thing. Allows developers to see the code and learn. Microsoft transparency improves every year. Everything...
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Pre-order on Amazon: Developing Service-Oriented AJAX Applications on the Microsoft® Platform by albertpascual

A must have book if you use MS AJAX on your web applications be on the UpdatePanel. Mr. Daniel Larson wrote the amazing book. Great reference guide as a good general real to understand MS AJAX. Cheers Al
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Speaking at the Inland Empire User Group by albertpascual

July 8th I’ll be presenting http://geotwitter.net at the Inland Empire User G roups. I don’t have a power point presentation yet for GeoTwitter . Right now I show the website and each part of the code as well as how to connect to the C odePlex to download...
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ArcGIS 9.3 has was release today by albertpascual

ArcGIS 9.3 Release comes with loads of online resources for anybody to get up to speed fast: What’s new on ArcGIS 9.3 Watch the presentation here. Documentation can be found here. With great ADF and JavaScript samples. You’ll find online demos that will...
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Hospital Implements High-Tech Emergency Response System by albertpascual

The project I develop is in the news today: From Information Week: “GPS-enabled cell phones and other mobile location-tracking technologies used for Enhanced 911 capabilities are helping emergency response workers find people in trouble. The deployment...
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UDP Packet Generator by albertpascual

Tonight I need a UDP Packet generator, so I thought just to paste it here so I can help anybody looking for something like that. I have a few files I want to transfer using UDP to another machine. Remember that UDP does not warranty delivery. Change the...
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