Please Tell Me Why @@Error Is Not Picking Up The Error

in this procedure the Gender column is a bit datatype. as you can see i'am adding a string.

when i exec proc my error message "print 'error'" is not showing. please help.

you can email at cbmorton!at!gmail.com



CREATE PROCEDURE [dbo].[sp_newuserregistration] AS
BEGIN TRAN
INSERT INTO UserLoginInfo (UserName,[Password]) values ('?','?')
SELECT @@IDENTITY AS 'Identity'
DECLARE @UserID AS INT
SET @UserID = @@Identity
INSERT INTO UserAccountInfo (UserID, Email) VALUES (@UserID, '?')
INSERT INTO UserProfileInfo (UserID, FirstName, LastName, Gender, DateOfBirth) VALUES (@UserID, '?', '?', 'x', null)
IF @@ERROR <> 0
BEGIN
PRINT 'error'

ROLLBACK TRAN
END
ELSE
BEGIN
COMMIT TRAN
END


GO

--EXEC sp_newuserregistration