ASP. NET detects potentially dangerous Request.Form values from the client

Workaround:

Locate the

The result of the modification is as follows:

<system.web>        "4.5" requestvalidationmode= " 2.0 "/><system.web>

If the ASP. NET Application

<% @ Page validaterequest="false" %>

If an ASP. NET MVC Application

 [httppost][validateinput (  False  )]  public  Span style= "Color:rgb (0, 0, 0); > ActionResult newsedit (formcollection form) {}