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

A. A form value was detected from the client, because it was found in the. In the network, when there are strings such as hypertext markup language or java description language in the request, the system will regard them as dangerous values. Report the error immediately. The solution is 133,360 inches. Add this sentence to the aspx file header :% @ page validateRequest='false'% Solution 2: Modify the web page configuration file : to configure the system.web page validaterequest=' false'//system. Because the default value of a valid request is correct. Just set it wrong.