hi,
if u want to edit a particular cell u can acheive through oops abap . here the piece of code try it
FORM fill_celltab USING value(p_mode)
CHANGING pt_celltab TYPE lvc_t_styl.
DATA: ls_celltab TYPE lvc_s_styl,
l_mode TYPE raw4.
* This forms sets the style of column 'PRICE' editable
* according to 'p_mode' and the rest to read only either way.
IF p_mode EQ 'RW'.
*§2a.Use attribute CL_GUI_ALV_GRID=>MC_STYLE_ENABLED to set a cell
* to status "editable".
l_mode = cl_gui_alv_grid=>mc_style_enabled.
ELSE. "p_mode eq 'RO'
*§2b.Use attribute CL_GUI_ALV_GRID=>MC_STYLE_DISABLED to set a cell
*to status "non-editable".
l_mode = cl_gui_alv_grid=>mc_style_disabled.
ENDIF.
ls_celltab-fieldname = 'CARRID'.
ls_celltab-style = cl_gui_alv_grid=>mc_style_disabled.
INSERTls_celltab INTOTABLEpt_celltab.
ls_celltab-fieldname = 'CONNID'.
ls_celltab-style = cl_gui_alv_grid=>mc_style_disabled.
INSERTls_celltab INTOTABLEpt_celltab.
ls_celltab-fieldname = 'FLDATE'.
ls_celltab-style = cl_gui_alv_grid=>mc_style_disabled.
INSERTls_celltab INTOTABLEpt_celltab.
ls_celltab-fieldname = 'PRICE'.
ls_celltab-style = l_mode.
INSERTls_celltab INTOTABLEpt_celltab.
ls_celltab-fieldname = 'CURRENCY'.
ls_celltab-style = cl_gui_alv_grid=>mc_style_disabled.
INSERTls_celltab INTOTABLEpt_celltab.
ls_celltab-fieldname = 'PLANETYPE'.
ls_celltab-style = cl_gui_alv_grid=>mc_style_disabled.
INSERTls_celltab INTOTABLEpt_celltab.
ls_celltab-fieldname = 'SEATSMAX'.
ls_celltab-style = cl_gui_alv_grid=>mc_style_disabled.
INSERTls_celltab INTOTABLEpt_celltab.
ls_celltab-fieldname = 'SEATSOCC'.
ls_celltab-style = cl_gui_alv_grid=>mc_style_disabled.
INSERTls_celltab INTOTABLEpt_celltab.
ls_celltab-fieldname = 'PAYMENTSUM'.
ls_celltab-style = cl_gui_alv_grid=>mc_style_disabled.
INSERTls_celltab INTOTABLEpt_celltab.
ENDFORM. " FILL_CELLTAB
*&---------------------------------------------------------------------*
*& Form SWITCH_EDIT_MODE
*&---------------------------------------------------------------------*
FORM switch_edit_mode.
IF grid1->is_ready_for_input( ) EQ 0.
* set edit enabled cells ready for input
CALL METHOD grid1->set_ready_for_input
EXPORTING
i_ready_for_input = 1.
ELSE.
* lock edit enabled cells against input
CALL METHOD grid1->set_ready_for_input
EXPORTING
i_ready_for_input = 0.
ENDIF.
ENDFORM. "SWITCH_EDIT_MODE