Runtime error in Web Config

Question

I have a web application in IIS 7.5 developed under ASP.NET 4.0 and SQL server 2008 R2. Now I am doing the testing the application, it was worked fine upto 10 entries suddently one error occured after i click the final stage of the "Submit" button in the form (before the application working fine in login form !!!) .How to overcome this problem, please help me.

Answer 1

You have an exception on you application, but you must turn to CustomError="On", in order to visualize your exception message.

You can't visualize your error, because CustomError="Off"

Link : http://msdn.microsoft.com/en-us/library/h0hfz6fc(v=vs.71).aspx