confirmation link in user registration without createuserwiz

check this link

http://nagireddyg.blogspot.in/2012/03/activation-email-for-user-registration.html

http://www.c-sharpcorner.com/uploadfile/abhikumarvatsa/registration-login-email-id-verification-scenario-in-C-Sharp/

http://www.dotnetspider.com/resources/44329-How-implement-user-registration-with-email-confirmation-using-ASP.NET.aspx

hii

follow the following step

register a user
insert the data with two extra columns, one is status,by default it false, and another is activation code which is saved at time of insertion.
send mail link like,, www.yoursite.com/activationpage.aspx?code=activation code from database.

ob the activationpage.aspx you can use querystring to get the code.

string x=request.querystring["code"].Tostring();

match this x with database and if both matches then update status=true;

at the time of login test username,password,and also status.