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Sunday, 4 December 2016

Asp.net MVC : A potentially dangerous request.form value was detected from the client mvc

12/04/2016 - By Pranav Singh 0

While working in mvc I got the below error.

A potentially dangerous Request.Form value was detected from the client



So here is solution for above error. There are multiple ways by which we can prevent the above error.

Way 1 :
On Model property which is used for html content, add the below attribute

  [AllowHtml]

 Way 2:
This solution will help to prevent the above by adding attribute at controller end. So on controller action add this attribute to allow all HTML.

[ValidateInput(false)]


 Way 3:
This can be implemented by making in changes in web.config file.

<configuration>
    <system.web>
        <httpruntime requestvalidationmode="2.0" />
    </system.web>
    <pages validaterequest="false">
    </pages>
</configuration>



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