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Asked: 2026-05-24T23:09:25+00:00

I’ve found a very small sample showing Silverlight SQL connection ( http://www.codeproject.com/KB/silverlight/CntDbSlght.aspx ), I’ve

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I’ve found a very small sample showing Silverlight SQL connection (http://www.codeproject.com/KB/silverlight/CntDbSlght.aspx), I’ve tested it and it works fine on local system, also I’ve changed its connection string so that it shows data from my remote database, but when I upload files to my host, I cannot see any SQL data, it seems that something is broken, how should I configure my web.config?

What are CrossDomain.XML and ClientAccessPolicy.XML files? should I upload them? If so, where should they be? How should I bind my service? what am I doing wrong? I click on VS2010 publish (in build menu) and select file system, then I upload all files existing in this folder, I use C#.

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  1. Editorial Team

    If you are trying to access an external Silverlight web service from your local dev environment you certainly need a ClientAccessPolicy.XML file on the website. This tells the site services where requests can come from (normally only from the same site the SL app was run from).

    Your ClientAccessPolicy.XML file needs to go into the actual root of your website i.e. ‘mydomain.com/ClientAccessPolicy.XML.

    *Note: You do not also need a CrossDomain.XML if you have ClientAccessPolicy (which is the SL specific one). CrossDomain.xml is an older flash compatibility file that sometimes exists on sites.

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