Workaround for "potentially dangerous Request.Form value detected from client" in MVC

A potentially dangerous request.form value was detected from the client:

In WebForm , at the top of the ASPX page, you can

<%@ page language="C #" autoeventwireup="true" codefile= " MaddAptitude.aspx.cs " inherits="maddaptitude" %>

Add a sentence validaterequest= "false".

Or Add this sentence after the Web. config document <system.web>: <pages validaterequest= "false"/>, for example:

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

In MVC, you can add [ValidateInput (false)] to the controller , for example:

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[ValidateInput(false)]   public class AdminController : Controller  {      ........      return View(); }