Function module to validate input value

Hi all,
can you please provide me the name of the function module to validate input value.
I have a case where i have to validate decimal values. sometimes users may enter wrong decimal values by mistake instead of "0.23" "0..23' and it gives CONVT_NO_NUMBER runtime error so have to come up with some solutions to validate user input.
Please provide me Function module if anybody knows.
Thanks,

Try this one
data: lv_htype TYPE dd01v-datatype.
    CALL FUNCTION 'NUMERIC_CHECK'
      EXPORTING
        string_in = my_number
      IMPORTING
        htype     = lv_htype.
    IF lv_htype NE 'NUMC'.
       Raise an error here...
    ENDIF.

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Function module to validate numeric values

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Can some one please tell me Is there any Function Module to validate only numeric values?
Like in year variable, it can never contain alphanumeric values or special symbols?
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Plz help me .
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Function Module NUMERIC_CHECK for Editing and checking numeric fields ( i.e. Num validations)
Check using the Function Module "NUMERIC_CHECK".
CALL FUNCTION 'NUMERIC_CHECK'
EXPORTING
STRING_IN = X
IMPORTING
STRING_OUT = X
HTYPE = H_TYPE.
if h_type = 'CHAR'.
WRITE:/ 'Not Numeric'.
else.
write:/ 'Numeric'.
ENDIF.
REWARDS IF USEFUL
GAURAV J.
Edited by: GAURAV on Feb 3, 2008 2:19 PM

API - BAPI , RFC Function module to validate user id and password

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Use function module SUSR_CHECK_LOGON_DATA. You need to provide auth_method (P for password check), userid and password.
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Hi. i used Function module to change Characteristic values of a sales order

hi. i used Function module to change Characteristic values of a sales order..
but sales order's Characteristic values didn't change.
And the Function module doesn't occur any log message.
please tell me wrong code, and how to solve this problem.
if i have wrong method, what data can i pass to change the characteristic values
DATA: LT_E1CUVAL TYPE TABLE OF E1CUVAL.
DATA: WA_E1CUVAL TYPE E1CUVAL.
DATA: LS_CFG_HEAD LIKE CUXT_CUCFG_S,
 LS_INSTANCES LIKE CUXT_CUINS_S,
 LS_VALUES LIKE CUXT_CUVAL_S,
 LS_E1CUCFG LIKE E1CUCFG,
 LS_E1CUINS LIKE E1CUINS,
 LS_E1CUVAL LIKE E1CUVAL,
 LS_PROFILE LIKE E1CUCOM,
 LS_VBAP LIKE VBAP,
 L_CUOBJ LIKE INOB-CUOBJ,
 L_ATINN LIKE CABN-ATINN.
DATA: LT_INSTANCES LIKE CUXT_CUINS_S OCCURS 0,
 LT_PART_OF LIKE CUXT_CUPRT_S OCCURS 0,
 LT_VALUES LIKE CUXT_CUVAL_S OCCURS 0,
 LT_VAR_KEYS LIKE CUXT_CUVK_S OCCURS 0,
 LT_KSML LIKE KSML OCCURS 0 WITH HEADER LINE,
 BEGIN OF LT_CLINT OCCURS 0,
 CLINT LIKE KSSK-CLINT,
 END OF LT_CLINT.
DATA: LT_CUIB LIKE CUIB_CUOBJ_S OCCURS 0 WITH HEADER LINE.
DATA: E_ROOT_INSTANCE TYPE CUXT_INSTANCE_NO.
DATA: EV_ROOT_PERSIST_ID TYPE IBEXTINST_DATA-EXT_INST_ID.
DATA: EV_CFG_HAS_CHANGED TYPE XFELD.
DATA: EV_HANDLE_APPL_LOG TYPE BALLOGHNDL.
DATA: L_CUOBJ_NEW TYPE CUOBJ.
DATA: L_OWNER TYPE IBXX_BUSINESS_OBJECT.
REFRESH LT_E1CUVAL.
CLEAR LS_VBAP.
SELECT SINGLE CUOBJ INTO CORRESPONDING FIELDS OF LS_VBAP
 FROM VBAP WHERE VBELN = I_VBELN
 AND POSNR = I_POSNR.
IF SY-SUBRC <> 0.
 RAISE INSTANCE_NOT_FOUND.
ENDIF.
REFRESH LT_CUIB. CLEAR LT_CUIB.
LT_CUIB-INSTANCE = LS_VBAP-CUOBJ.
APPEND LT_CUIB.
CALL FUNCTION 'CUCB_INITIALIZER'
 EXPORTING
 IT_INSTANCES = LT_CUIB[].
CALL FUNCTION 'CUXI_GET_SINGLE_CONFIGURATION'
 EXPORTING
 I_ROOT_INSTANCE = LS_VBAP-CUOBJ
 IMPORTING
 E_CFG_HEAD = LS_CFG_HEAD
 ES_PROFILE = LS_PROFILE
 ET_RETURN = ET_RETURN
 TABLES
 E_TAB_INSTANCES = LT_INSTANCES
 E_TAB_PART_OF = LT_PART_OF
 E_TAB_VALUES = LT_VALUES
 E_TAB_VAR_KEYS = LT_VAR_KEYS
 EXCEPTIONS
 INVALID_INSTANCE = 1
 NO_ROOT_INSTANCE = 2
 INSTANCE_IS_A_CLASSIFICATION = 3
 INTERNAL_ERROR = 4
 NO_PROFILE_FOUND = 5
 INVALID_DATA = 6
 OTHERS = 7.
IF SY-SUBRC <> 0.
 CASE SY-SUBRC.
 WHEN 1.
 RAISE INSTANCE_NOT_FOUND.
 WHEN 3.
 RAISE INSTANCE_IS_A_CLASSIFICATION.
 WHEN OTHERS.
 RAISE INVALID_DATA.
 ENDCASE.
ELSE.
 LOOP AT LT_VALUES INTO LS_VALUES.
 IF LS_VALUES-CHARC = 'SAP_MILLCA_PACKAGING'
 OR LS_VALUES-CHARC = 'PD_CA_PACKING_DM'.
 LS_VALUES-VALUE = '7100010'. "This is test data
 MODIFY LT_VALUES FROM LS_VALUES.
 ELSE.
 DELETE LT_VALUES WHERE CHARC = LS_VALUES-CHARC.
 ENDIF.
 CLEAR LS_VALUES.
 ENDLOOP.
ENDIF.
영업정보 특성 변경
CALL FUNCTION 'CUXI_SET_SINGLE_CONFIGURATION'
 EXPORTING
 I_CFG_HEADER = LS_CFG_HEAD
 I_ROOT_INSTANCE = LS_VBAP-CUOBJ
 I_PLANT =
 I_STRUCTURE_EXPLOSION_DATE =
 I_STRUCTURE_EXPLOSION_APPL_ID =
 I_LOGSYS =
 IS_PROFILE = LS_PROFILE
 IV_ONLY_SINGLE_LEVEL =
 IV_HANDLE_APPL_LOG =
 IV_OBJECT_APPL_LOG = 'CIF'
 IV_SUBOBJECT_APPL_LOG = 'T_CNFG'
 IMPORTING
 E_ROOT_INSTANCE = E_ROOT_INSTANCE
 EV_ROOT_PERSIST_ID = EV_ROOT_PERSIST_ID
 EV_CFG_HAS_CHANGED = EV_CFG_HAS_CHANGED
 EV_HANDLE_APPL_LOG = EV_HANDLE_APPL_LOG
 ET_RETURN = ET_RETURN
 TABLES
 I_TAB_INSTANCES = LT_INSTANCES
 I_TAB_PART_OF = LT_PART_OF
 I_TAB_VALUES = LT_VALUES
 I_TAB_VAR_KEYS = LT_VAR_KEYS
 I_TAB_BLOB =
 EXCEPTIONS
 NO_CONFIGURATION_DATA = 1
 NO_ROOT_INSTANCE = 2
 INVALID_INSTANCE = 3
 INSTANCE_IS_A_CLASSIFICATION = 4
 INTERNAL_ERROR = 5
 NO_PROFILE_FOUND = 6
 INVALID_DATA = 7
 OTHERS = 8
IF SY-SUBRC <> 0.
 CASE SY-SUBRC.
 WHEN 1.
 RAISE NO_CONFIGURATION_DATA.
 WHEN 3.
 RAISE NO_ROOT_INSTANCE.
 WHEN 3.
 RAISE INVALID_INSTANCE .
 WHEN 3.
 RAISE INSTANCE_IS_A_CLASSIFICATION.
 WHEN 3.
 RAISE INTERNAL_ERROR.
 WHEN OTHERS.
 RAISE INVALID_DATA.
 ENDCASE.
ENDIF.
COMMIT WORK.
save configuration with next commit
CLEAR: LS_INSTANCES.
READ TABLE LT_INSTANCES INTO LS_INSTANCES INDEX 1.
L_OWNER-OBJECT_TYPE = LS_INSTANCES-OBJ_TYPE.
L_OWNER-OBJECT_TYPE = 'PVS_POSVAR'.
L_OWNER-OBJECT_KEY = LS_INSTANCES-OBJ_KEY.
CALL FUNCTION 'CUCB_CONFIGURATION_TO_DB'
 EXPORTING
 ROOT_INSTANCE = LS_VBAP-CUOBJ
 ROOT_OBJECT = L_OWNER
 IMPORTING
 NEW_INSTANCE = L_CUOBJ_NEW
 EXCEPTIONS
 INVALID_INSTANCE = 1
 INVALID_ROOT_INSTANCE = 2
 NO_CHANGES = 3
 OTHERS = 4.
IF SY-SUBRC > 1 AND SY-SUBRC <> 3.
 CLEAR LS_VBAP-CUOBJ.
 RAISE INTERNAL_ERROR.
ELSEIF SY-SUBRC = 1.
 LS_VBAP-CUOBJ = L_CUOBJ_NEW.
ENDIF.
What's wrong?
help me to solve this problem.
Thanks a lot.

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CUCB_GET_CONFIGURATION
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TABLES
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\[removed by moderator\]
Anirban Bhattacharjee
Edited by: Jan Stallkamp on Jun 27, 2008 4:19 PM

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v_return boolean := true;
v_number number;
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Function module to validate input value

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