CryptoUtil' is not declared. It may be inaccessible due to i

at least post some code while asking question, post the line of code throwing this error, and the line/code where yo have declard this class - CryptoUtil

 

for how to ask better questions in the forum - read my blog here:

http://www.c-sharpcorner.com/article/how-to-ask-better-questions-on-forum/