How to pop up alert "No Data found" if there are no values in database

Hi All,
Please tell me how to pop up alert if there is no data found and all fields are null in report for given parameter value. or else is there any way to trigger user while entering parameter value that wrong parameter value. (I dnt want to use drop down) in my report.
Please help me. Any help will be valuable.
Thanks.

There's no way that I know of to do this as a "Pop-up", but providing a "no records returned" warning still easy enough to do.
Just insert a new Report Header section...
Add a text box that has whatever message you'd like to display.
Right click the new header section and choose Selection Expert
Click the X-2 button next to Suppress (No Drill-Down)
Enter a formula similar to this...
IF COUNT({TableName.FieldName}) < 1 THEN FALSE ELSE TRUE
This will suppress the warning if records are present and display it if there are none.
HTH,
Jason

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How to pop up if no data found in Crystal Reports XI

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Can you please suggest me how to alert message if no data found?
Thanks and regards,
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Edited by: Manjunath N Jogin on Jan 21, 2010 2:53 PM

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JAVA_GREEN wrote:
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Hi,
below my code:
CREATE TABLE TAB_TO_EM
EM_NUMBER           VARCHAR2(32),
NAME_FIRST       VARCHAR2(32),
NAME_LAST        VARCHAR2(32),
MAILBOX            VARCHAR2(32)
ALTER TABLE TAB_TO_EM
ADD (CONSTRAINT PK_EM_NUMBER PRIMARY KEY (EM_NUMBER));
CREATE TABLE EM
EM_ID            VARCHAR2(32),
EM_NUMBER           VARCHAR2(32),
NAME_FIRST       VARCHAR2(32),
NAME_LAST        VARCHAR2(32),
EMAIL            VARCHAR2(32)
ALTER TABLE EM
ADD (CONSTRAINT PK_EM_ID PRIMARY KEY (EM_ID));THE PRIMARY KEY EM_ID COMES FROM THE TAB_TO_EM TABLE LINKED IN THIS WAY:
NAME_LAST||'_'||SUBSTR(NAME_FIRST,1,3)||'_'||SUBSTR(EM_NUMBER,-2)
I created this procedure to insert a new EM_NUMBER into EM table:
CREATE OR REPLACE PROCEDURE INS_NEW_RECORD IS
ERR_NUM                          NUMBER;
ERR_MSG                          VARCHAR2(300);
V_COUNT                          NUMBER;
V_EM_ID                          VARCHAR2(64);
      CURSOR A IS
      SELECT A.EM_NUMBER, A.NAME_FIRST, A.NAME_LAST, A.MAILBOX
      FROM TAB_TO_EM A;
BEGIN
      FOR CUR_A IN A
LOOP
             SELECT COUNT(*)
             INTO V_COUNT
             FROM EM2 B
             WHERE B.EM_NUMBER=CUR_A.EM_NUMBER;
             IF V_COUNT = 0 THEN
             -- here insert a new record
                          INSERT INTO EM2 (EM_ID, EM_NUMBER, NAME_FIRST,NAME_LAST, EMAIL)
                          VALUES (CUR_A.NAME_LAST||'_'||SUBSTR(CUR_A.NAME_FIRST,1,3)||SUBSTR(CUR_A.EM_NUMBER,-2),
                          CUR_A.EM_NUMBER, CUR_A.NAME_FIRST,CUR_A.NAME_LAST, CUR_A.MAILBOX);
             END IF;
END LOOP;
END INS_NEW_RECORD;Example of my table:
Insert into TAB_TO_EM
   (EM_NUMBER, NAME_FIRST, NAME_LAST, MAILBOX)
Values
   ('22333', 'AAAA', 'BBBB', 'XXXX');
Insert into TAB_TO_EM
   (EM_NUMBER, NAME_FIRST, NAME_LAST, MAILBOX)
Values
   ('11222', 'AAAA', 'BBBB', 'XXXX');
Insert into TAB_TO_EM
   (EM_NUMBER, NAME_FIRST, NAME_LAST, MAILBOX)
Values
   ('00122', 'AAAA', 'BBBB', 'XXXX');
commit;
execute INS_NEW_RECORD;
ORA-00001: ORA-00001: unique constraint violated (PK_EM_ID)
ORA-06512: a "INS_NEW_RECORD", line 25
ORA-06512: a line 2I tried to modify my procedure:
CREATE SEQUENCE AFM.SEQ_EM_ID
START WITH 1
MAXVALUE 999999999999999999999999999
MINVALUE 1
NOCYCLE
NOCACHE
ORDER;
IF V_COUNT = 0 THEN
       --verify duplicate pkey
             SELECT (NAME_LAST||'_'||SUBSTR(NAME_FIRST,1,3)||SUBSTR(EM_NUMBER,-2))
             INTO V_EM_ID
             FROM EM B
             WHERE (NAME_LAST||'_'||SUBSTR(NAME_FIRST,1,3)||SUBSTR(EM_NUMBER,-2)) = (CUR_A.NAME_LAST||'_'||SUBSTR(CUR_A.NAME_FIRST,1,3)||SUBSTR(CUR_A.EM_NUMBER,-2))
             AND ROWNUM=1;
             IF V_EM_ID = (CUR_A.NAME_LAST||'_'||SUBSTR(CUR_A.NAME_FIRST,1,3)||SUBSTR(CUR_A.EM_NUMBER,-2)) THEN
                      INSERT INTO EM2 (EM_ID, EM_NUMBER, NAME_FIRST,NAME_LAST, EMAIL)
                      VALUES (CUR_A.NAME_LAST||'_'||SUBSTR(CUR_A.NAME_FIRST,1,3)||SUBSTR(CUR_A.EM_NUMBER,-2)||'_'||SUBSTR ('000' || SEQ_EM_ID.NEXTVAL, -3),
                      CUR_A.EM_NUMBER, CUR_A.NAME_FIRST,CUR_A.NAME_LAST, CUR_A.MAILBOX);
             ELSE
                          INSERT INTO EM2 (EM_ID, EM_NUMBER, NAME_FIRST,NAME_LAST, EMAIL)
                          VALUES (CUR_A.NAME_LAST||'_'||SUBSTR(CUR_A.NAME_FIRST,1,3)||SUBSTR(CUR_A.EM_NUMBER,-2),
                          CUR_A.EM_NUMBER, CUR_A.NAME_FIRST,CUR_A.NAME_LAST, CUR_A.MAILBOX);
             END IF;
      END IF;
execute INS_NEW_RECORD;
ORA-01403 no data foundI'd like to create a stored procedure with these conditions:
IF em_id is duplicate insert new em_id= (CUR_A.NAME_LAST||'_'||SUBSTR(CUR_A.NAME_FIRST,1,3)||SUBSTR(CUR_A.EM_NUMBER,-2)||'_'||SUBSTR ('000' || SEQ_EM_ID.NEXTVAL, -3)
ELSE em_id= (CUR_A.NAME_LAST||'_'||SUBSTR(CUR_A.NAME_FIRST,1,3)||SUBSTR(CUR_A.EM_NUMBER,-2)
How can I write my procedure correctly?
Thanks in advance!

1) What are you expecting this piece of code to do?
             SELECT COUNT(*)
             INTO V_COUNT
             FROM EM B
             WHERE B.EM_NUMBER=CUR_A.EM_NUMBER;My answer would be that i expect it to do nothing (unless i've misunderstood what you're doing up until now). You are making a new type of key in the EM table by frankensteining data elements from your tab_to_em table, so i would expect that code to always return 0. By the way, that's what we have a dup_val_on_index catch for, no need to read the table, you try your insert, if you dup a value, you take appropriate action.
I guess the best way to proceed based on what you've provided would be 2 SQL statements.
1) insert records where you cannot find a match in the target table
2) insert records where you CAN find a match in the target table
INSERT INTO EM (EM_ID, EM_NUMBER, NAME_FIRST,NAME_LAST, EMAIL)
select
A.NAME_LAST||'_'||SUBSTR(A.NAME_FIRST,1,3)||SUBSTR(A.EM_NUMBER,-2),
A.EM_NUMBER,
A.NAME_FIRST,
A.NAME_LAST,
A.MAILBOX
from tab_to_em a
where not exists
select null
from em b
where b.NAME_LAST||'_'||SUBSTR(b.NAME_FIRST,1,3)||SUBSTR(b.EM_NUMBER,-2) = a.em_number
INSERT INTO EM (EM_ID, EM_NUMBER, NAME_FIRST,NAME_LAST, EMAIL)
select
A..NAME_LAST||'_'||SUBSTR(A..NAME_FIRST,1,3)||SUBSTR(A..EM_NUMBER,-2)'_'||SUBSTR ('000' || SEQ_EM_ID.NEXTVAL, -3),
A.EM_NUMBER,
A.NAME_FIRST,
A.NAME_LAST,
A.MAILBOX
from tab_to_em a
where exists
select null
from em b
where b.NAME_LAST||'_'||SUBSTR(b.NAME_FIRST,1,3)||SUBSTR(b.EM_NUMBER,-2) = a.em_number
);This comes with the caveat that what you are doing is a REALLY bad idea. Really really really bad idea.
The baddies are
1) your choice for a 'primary key'
2) using a sequence and then substring it
3) this is from a business perspective, storing the same person multiple times!
Now, i don't know your system or requirements, but i am speaking in general terms here, this seems like a all around bad idea and i would suggest you revisit the design.

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OracleException was unhadled by user code:
ORA-01403: no data found
ORA-06512: at "...TRIGGER_KATILIMEKLE", line11
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Message was edited by:
user611878

REFERENCING NEW AS newRow
ELSIF DELETING THEN
...=:newRow.detaykod;Please read about [url
http://download.oracle.com/docs/cd/B10501_01/appdev.92
0/a96590/adg13trg.htm#590]Accessing Column Values in
Row Triggers in the manual.Thanks a lot.
Using REFERENCING NEW AS newRow and OLD AS oldRow and ...=:oldRow.detaykod; I handled it, however it just doesn't assign other parameters in delete query, thus it deletes only when t.ihlaltktgkodu=:oldRow.IHLALTKTGKODU; in the delete query and ,gnore the rest.
Although i assign the values of the parameters -srktkodu,ihlkodu- and make an successfull insert in the insert query, i just cannot in the delete. Why?
Right here :
select t2.srktkodu, t2.ihlkodu into srktkodu,ihlkodu from ihale_katilinanihale t2 where t2.detaykod=:oldRow.detaykod;
DELETE FROM ihale_katilimcilar t WHERE t.srktkodu=srktkodu and t.ihlkodu=ihlkodu and t.ihlaltktgkodu=:oldRow.IHLALTKTGKODU;

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How to pop up alert "No Data found" if there are no values in database

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