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Silverlight 3 White screen

Posted By:      Posted Date: September 11, 2010    Points: 0   Category :WPF
Hello, I need your creativity and experience for troubleshooting an issue with Silverlight 3. I don’t have any more idea as I already tried. Maybe some of you have experience with the same problem and can give me useful tips. This scenario is present: I have a Silverlight 3 application which uses WCF Services to access data. My customers don’t have problem to use this Silverlight App in their company intranet to administer the web-application. The application is using WCF for CRUD operations. Now, a new customer can’t use this app. The Silverlight application hosting ASPX-Page loads fine, also and the plugin instantiate correctly (a mouse right click shows the Silverlight Plugin-Properties) but instead of my app is a blank - “white screen”. This screen appears without Silverlight-Loader, Javascript error or other error messages. Do you have an idea what happen? I tried several solutions to fix this. As first I checked the IIS header mime-type. I change this from “.xap application/x-silverlight-app” to “”.xap application/octet-stream” and back. No changes. The Second, I tried, was to clean up the HTML page. I removed all CSS definitions and used only on div tag in the asp.net form tag definition. Also no changes. My customer used a different browser as the IE8 and also in Firefox same issue. Firwall and Virus Sc

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