public void isDuplicateUserEmailAddress()
        {
            RegistrationProviderDAL objRegistrationDAL = new RegistrationProviderDAL();
            bool returnVal = objRegistrationDAL.isDuplicateUserEmailAddress(Cryptography.Encrypt("*****@*****.**"));

            Assert.AreNotEqual(-1, returnVal, "It should not return  -1");
        }
 /// <summary>
 /// Checks for duplicate user email address
 /// </summary>
 /// <param name="emailAddress"></param>
 /// <returns></returns>
 public bool isDuplicateUserEmailAddress(byte[] emailAddress)
 {
     RegistrationProviderDAL objRegistrationProvider = new RegistrationProviderDAL();
     return objRegistrationProvider.isDuplicateUserEmailAddress(emailAddress);
 }