UserInfo User = new UserInfo();
User.AffiliateID = Null.NullInteger;
User.DisplayName =txtDisplayName.Text;
User.FirstName = txtFirstName.Text;
User.LastName = TxtLastName.Text;
User.Membership.Username = txtUserName.Text;
User.Membership.Password = txtPassword.Text;
User.Membership.CreatedDate = DateTime.Now;
User.Membership.Email = txtEmail.Text;
User.PortalID = this.PortalId;
User.Username = txtUserName.Text;
User.Email = txtEmail.Text;
User.Membership.PasswordQuestion =TxtSecurityQuestion.Text;
User.Membership.PasswordAnswer = TxtSecurityAnswer.Text;
UserCreateStatus ucStatus = UserController.CreateUser(ref User);
hire dotnetnuke develope