Getting “A potentially dangerous Request.Path value was detected from the client (&)”

Solution :
   Checked URL

Correct :  http://www.example.com/test.aspx?param1=test&param2=king

Incorrect : http://www.example.com/test.aspx&param1=test&param2=king

Solve that by changing the line

from

<a href="/Sample/Question/5&jobId=2&type=additional" /> 

to

<a href="/Sample/Question/?id=5&jobId=2&type=additional" />