I always wondered if we can code some dynamic method calls in ABAP. So I tried and to my surprise, it was possible !!

Well its kinda simple only but sometimes it can be tricky also. The method name can be taken into a variable and called by placing it in brackets. But how to handle the prametes ! This is tricky.. The below code snippet shows how to do this..

TYPE-POOLS abap.

DATA : lv_control   TYPE seoclsname VALUE 'CL_GUI_ALV_GRID',
           lt_par_tab   TYPE abap_parmbind_tab,
           ls_param     LIKE LINE OF lt_par_tab,
           lv_data       TYPE REF TO data.

**  Prepare the Parameters table..
**  Here I am passing a object as an exporting parameter

    ls_param-name = 'I_PARENT'.
    ls_param-kind = 'E'.
    GET REFERENCE OF lref_cont INTO lv_data.
    ls_param-value = lv_data.
    INSERT ls_param INTO TABLE lt_par_tab.

**  Now create ALV Control.
    CREATE OBJECT lref_alv_ctrl
      TYPE
        (lv_control)
      PARAMETER-TABLE
        lt_par_tab.

Similarly you can pass many parameters and call methods also.

An complete example code is provided in the Example codes section.