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Your problem will be that you are posting back to an ASP.NET page which has 'request validation' turned on. Essentially, the HTML from tinymce will contain angle brackets and that (amongst other things) will trip ASP.NET's security checking functionality (which is trying to trap cross-site scripting attacks). You can turn off request validation in the ASP.NET page.

Turning off request validation in page using page directive:

<%@ Page validateRequest="false" %>

Yellowfog 2010-06-28 12:39:42

thank you for replying but i have added "<%@ Page validateRequest="false" %> " but still its trowing same error

Patel 2010-06-28 12:54:14

thank you for your reply..i have added the code "<%@ Page validateRequest="false" %> " but still i am getting the same error" any other solution pls...

Patel 2010-06-28 12:57:42

Hmm. I suspect further user error. Maybe try turning off request validation entirely in web.config, by putting <pages validateRequest="false" /> in the <system.web> section. And be wary of cross-site scripting problems.

Yellowfog 2010-06-28 13:17:24

sorry for telling this.. i have used <pages validateRequest="false" /> in web.config file but still same error... pls give any solutions for this

Patel 2010-06-28 13:39:12

Are you using classic ASP.NET or ASP.NET MVC?

Yellowfog 2010-06-28 13:50:29

i am using asp.net

Patel 2010-06-28 14:00:15

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A potentially dangerous Request

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