Dynamic Creation of Internal table WITH HEADER LINE

Dear,
Please show me the way of creating Internal table WITH HEADER LINE dynamically..
Thanks,
Nirav

<font color='blue'>Hi Parekh,
Have a look at the sample program for Dynamic internal table
This program has been developed to update any table data in the dictionary. We give table name and File name as Input fields.
<pre>
REPORT znpmmm0201.
*Types
TYPES:
      BEGIN OF ty_file,
        data(4096) TYPE c,
      END OF ty_file.
*Type-pools
TYPE-POOLS:
      truxs.
*Work areas
DATA:
      wa_file      TYPE ty_file.
*Internal tables
DATA:
      it_file      TYPE STANDARD TABLE OF ty_file,
      it_data      TYPE truxs_t_text_data.
DATA:
      gv_dref TYPE REF TO data,
      file_name TYPE string.
*FIELD-SYMBOLS
FIELD-SYMBOLS:
               <gf_itab> TYPE STANDARD TABLE,
               <wa>      TYPE ANY.
*& Selection-screen
PARAMETERS:
      p_table TYPE rsrd1-tbma_val,
      p_file  TYPE ibipparms-path.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.
  PERFORM f4_for_p_file CHANGING file_name .
*& START-OF-SELECTION
START-OF-SELECTION.
  CREATE DATA gv_dref TYPE TABLE OF (p_table).
  ASSIGN gv_dref->* TO <gf_itab>.
  PERFORM upload_data USING file_name.
  MODIFY (p_table) FROM TABLE <gf_itab>.
*&      Form  UPLOAD_DATA
FORM upload_data USING file.
  CALL FUNCTION 'GUI_UPLOAD'
    EXPORTING
      filename                = file
      filetype                = 'ASC'
    TABLES
      data_tab                = it_file.
  APPEND LINES OF it_file TO it_data.
  CLASS cl_abap_char_utilities DEFINITION LOAD.
  DATA: l_field_seperator.
  l_field_seperator = cl_abap_char_utilities=>horizontal_tab.
  REPLACE ALL OCCURRENCES OF '|' IN TABLE it_data WITH l_field_seperator.
  CALL FUNCTION 'TEXT_CONVERT_TEX_TO_SAP'
    EXPORTING
      i_field_seperator    = l_field_seperator
      i_tab_raw_data       = it_data
    TABLES
      i_tab_converted_data = <gf_itab>.
ENDFORM.                    " UPLOAD_DATA
*&      Form  F4_FOR_p_file
FORM f4_for_p_file CHANGING file.
  DATA:
        l_field_name LIKE  dynpread-fieldname VALUE 'P_FILE'.
  CALL FUNCTION 'F4_FILENAME'
    EXPORTING
      program_name  = syst-cprog
      dynpro_number = syst-dynnr
      field_name    = l_field_name
    IMPORTING
      file_name     = p_file.
  file = p_file.
ENDFORM.                    " F4_FOR_p_file </pre>
Thanks,
Venkat.O</font>

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