report with parameter comming blank in web browsers

[m_mannaa2008]

my report comming correct in ireport preview

but 

when i run in the browsers comming blank

query 

SELECT
     TBL_EMPLOYER."EMPLOYER_ID" AS TBL_EMPLOYER_EMPLOYER_ID,
     TBL_EMPLOYER."CIVIL_ID_NO" AS TBL_EMPLOYER_CIVIL_ID_NO,
     TBL_EMPLOYER."ARB_NAME" AS TBL_EMPLOYER_ARB_NAME,
     TBL_EMPLOYER."PHONE_NO" AS TBL_EMPLOYER_PHONE_NO,
     TBL_EMPLOYER."BL_IN_REASON" AS TBL_EMPLOYER_BL_IN_REASON,
     TBL_EMPLOYER."EMPLOYER_STATUS" AS TBL_EMPLOYER_EMPLOYER_STATUS
FROM
     "DEVELOPMENT"."TBL_EMPLOYER" TBL_EMPLOYER
WHERE
     TBL_EMPLOYER."EMPLOYER_STATUS"  = $P{P_Status}