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That assembly does not allow partially trusted callers while using HttpUtility.UrlEncode in CRM – Nishant Rana’s Weblog

That assembly does not allow partially trusted callers while using HttpUtility.UrlEncode in CRM – Nishant Rana’s Weblog

We got the below error in one of our Sandboxed Plugins

“System.Security.SecurityException: That assembly does not allow partially trusted callers”.

We realised it was because of using System.Web.HttpUtility class

We replaced it with EscapeDataString method and this fixed the issue.

System.Uri.EscapeDataString()

Helpful thread

Hope it helps..

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