To find the date type fields in the row and validate those date fields

Question

TYPES : BEGIN OF TY_MARA,
          MATNR TYPE MARA-MATNR,
          ERSDA TYPE MARA-ERSDA,
          ERNAM TYPE MARA-ERNAM,
          LAEDA TYPE MARA-LAEDA,
          MTART TYPE MARA-MTART,
        END OF TY_MARA.
DATA : it_mara TYPE STANDARD TABLE OF ty_mara,
      it_mara1 TYPE STANDARD TABLE OF ty_mara,
       wa_mara TYPE ty_mara.
loop at it_mara into wa_mara.
  describe field wa_mara-ersda type c_data.
if c_data eq 'D'.
  CALL FUNCTION 'DATE_CHECK_PLAUSIBILITY'
    EXPORTING
      date                            = wa_mara-ersda
   EXCEPTIONS
     PLAUSIBILITY_CHECK_FAILED       = 1
     OTHERS                          = 2
  IF sy-subrc eq 0.
wa_mara-ersda = '00000000'.
    append wa_mara to it_mara1.
    write :wa_mara-matnr,wa_mara-ersda.
    else.
        wa_mara-ersda = '00000000'.
    append wa_mara to it_mara1.
    write :wa_mara-matnr,wa_mara-ersda.
  ENDIF.
  endif.
  endloop.
This issue regarding how to find the date type fields in the row and validate those date fields.If its not a valid date ,i have to assign initial value to that.
I've tried that for single field using describe field.Please help me do that for all fields.

Answer 1

Hi Sam,
 I believe we had discussed the same issue in the below thread. Can you please refer the below one?
http://social.msdn.microsoft.com/Forums/sharepoint/en-US/d93e16ff-c123-4b36-b60b-60ccd34f6ca7/calculate-time-differences-in-infopath?forum=sharepointcustomizationprevious
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