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Map not showing in Silverlight

LuisGarcia2

I installed both the WPF and Silverlight 2.4 implementations of ESRI control map. I created a quick Wpf application project in VS 2010 just to check all works fine. I added a map to the default form and it shows both in design mode and at run time. I did the same thing for a Silverlight application and the map does not show in either run-time or design mode. I do have Silverlight SDK 4.0 installed. Am I missing something else?
Thanks!

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Accepted answers

wangzhifang

Map not showing in Silverlight application is mostly common but always easy to resolved problem. Just follow these steps to check where the issue is:
1. Ensure your map service is running by displaying it in Arcmap or Javascript API(from services directory);
2. Ensure you have the cross domain file in your web server and in the right place;
3. Ensure using the right class to add the map service. Note the difference between ArcGISDynamicMapServiceLayer and ArcGISTiledMapServiceLayer;
4. If now the problem remains, just using Fiddler or Firebug tools to check what happened during the map image loading course.

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DominiqueBroux

I installed both the WPF and Silverlight 2.4 implementations of ESRI control map. I created a quick Wpf application project in VS 2010 just to check all works fine. I added a map to the default form and it shows both in design mode and at run time. I did the same thing for a Silverlight application and the map does not show in either run-time or design mode. I do have Silverlight SDK 4.0 installed. Am I missing something else?
Thanks!

If your WPF application works well, it's likely a SL cross domain limitation.
Please look at this blog post for more infos: http://blogs.esri.com/Dev/blogs/silverlightwpf/archive/2009/08/24/Troubleshooting-blank-layers.aspx

DominiqueBroux

I was reading this instructions:

http://help.arcgis.com/en/webapi/silverlight/help/index.html#/Installation/016600000005000000/

And they call for "Expression Blend 4" which I don't have installed ( and I think it is a paid license/product). Can that cause the problem I am having?

Thanks!

No you don't need it. It's your choice to work either with Visula Studio or with Blend.
Though, if you are working with Visual Studio you need Blend 4 SDK which is a free product.

wangzhifang

LuisGarcia2

I was reading this instructions:

http://help.arcgis.com/en/webapi/silverlight/help/index.html#/Installation/016600000005000000/

And they call for "Expression Blend 4" which I don't have installed ( and I think it is a paid license/product). Can that cause the problem I am having?

Thanks!

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