No_data_found exeception

Question

Hi
I have a procedure..Like
CREATE OR REPLACE PROCEDURE Customer_Login (
in_web_login          IN      SLA_CUSTOMER_MASTER.WEB_LOGIN%TYPE,           --1
in_web_password       IN      SLA_CUSTOMER_MASTER.WEB_PASSWORD%TYPE,       --2
out_code_error        OUT   VARCHAR2,        -- OUT   -- return the error code according with customer Login
out_msg_error         OUT   VARCHAR2         -- OUT   -- return the error description
AS
--###    Customer Login
password_age                      NUMBER;                -- Days from pwd_exp_date to in check date
return_txt                        VARCHAR2 (100);     -- Message to be returned (may be NULL)
--###       EXCEPTIONs
e_invalidLogin                         EXCEPTION;       
e_expiredPassword                      EXCEPTION;        
BEGIN
     SELECT     Trunc(sysdate - pwd_exp_dt)
     INTO     password_age
     FROM     SLA_CUSTOMER_MASTER
     WHERE     web_login       = in_web_login
     AND     web_password     = in_web_password;
     IF    password_age > 180
     THEN
          return_txt := 'Your password has expired.';
  ELSE
  IF password_age > 165 AND password_age < 180
     THEN
          return_txt := 'Your password will expire very soon.  Please change your old password.';
     END IF;
     END IF;
     dbms_output.put_line(return_txt);
  IF in_web_login IS NULL OR in_web_password IS NULL/ not a valid login /password
  THEN
     RAISE e_invalidLogin;
  END IF;
EXCEPTION
   WHEN   e_invalidLogin                     THEN ROLLBACK; out_code_error := SQLCODE;out_msg_error :='ORA-2000 - Invalide login';
   WHEN   e_expiredPassword                  THEN ROLLBACK; out_code_error := SQLCODE;out_msg_error :='ORA-2000 - Expired password';
END Customer_Login ;I need to handle above exceptions..If I tried for e_invalidlogin..I am getting no_data_found exception...Please help me.
how to aviod this exception.
Regards
SA

Answer 1

CREATE OR REPLACE PROCEDURE Customer_Login(
                                           in_web_login    IN SLA_CUSTOMER_MASTER.WEB_LOGIN%TYPE, --1
                                           in_web_password IN SLA_CUSTOMER_MASTER.WEB_PASSWORD%TYPE, --2
                                           out_code_error  OUT VARCHAR2, -- OUT   -- return the error code according with customer Login
                                           out_msg_error   OUT VARCHAR2 -- OUT   -- return the error description
                                           ) AS
  --###    Customer Login
  password_age NUMBER; -- Days from pwd_exp_date to in check date
  return_txt   VARCHAR2(100); -- Message to be returned (may be NULL)
  --###       EXCEPTIONs
  e_invalidLogin EXCEPTION;
  e_expiredPassword EXCEPTION;
BEGIN
  BEGIN
    SELECT Trunc(sysdate - pwd_exp_dt)
      INTO password_age
      FROM SLA_CUSTOMER_MASTER
     WHERE web_login = in_web_login
       AND web_password = in_web_password;
  EXCEPTION
    WHEN NO_DATA_FOUND THEN
      return_txt := 'Invalide login';
      RAISE e_invalidLogin;
  END;
  IF password_age > 180 THEN
    return_txt := 'Your password has expired.';
  ELSE
    IF password_age > 165 AND password_age < 180 THEN
      return_txt := 'Your password will expire very soon.  Please change your old password.';
    END IF;
  END IF;
  dbms_output.put_line(return_txt);
  BEGIN
    IF in_web_login IS NULL OR in_web_password IS NULL THEN
      RAISE e_invalidLogin;
    END IF;
  EXCEPTION
    WHEN e_invalidLogin THEN
      ROLLBACK;
      out_code_error := SQLCODE;
      out_msg_error  := 'ORA-2000 - Invalide login';
    WHEN e_expiredPassword THEN
      ROLLBACK;
      out_code_error := SQLCODE;
      out_msg_error  := 'ORA-2000 - Expired password';
  END;
END Customer_Login;