The error message shows "request. Form values that are potentially dangerous detected by the client"

When a query is submitted, the error message "request. form value detected by the client" (. NET framework1.1) is displayed:
1. Add the following sentence to the Web. config file <system. Web>: <pages validaterequest = "false"/>
Example:
<? XML version = "1.0" encoding = "gb2312"?>
<Configuration>
<System. Web>
<Pages validaterequest = "false"/>
</System. Web>
</Configuration>

2. Add validaterequest = "false" to the page of *. aspx file header. The example is as follows:
<% @ Page validaterequest = "false" Language = "C #" codebehind = "index. aspx. cs" autoeventwireup = "false" inherits = "mybbs. webform1" %>