Dynamic table & More No of buttons addition to the form...

Hi Friends,
I have following issues with my form in webdynpro abap.
1. I have created a main node called ZKPS_TEST and under that I have included three nodes and two attributes.
    the three nodes are as follows:
TIME_DATA With cardinality 1..1 --> to upload a row
TIME_SHEET_DATA with cardinality 1..n --> Dynamic Internal table rows
TIME_COST_DATA with cardinality 1..n --> Dynamic Internal table rows.
I have created an interface and mapped to the form.
When I click on Insert Row Button i am getting a dump saying "Number of Elements of the Collection of Node MAIN.1.ZKPS_TEST Violates the Cardinality.". Please guide me how to solve this error.
2. I have to create three more buttons onto the form as follows:
   a. Save button to save the entered data
   b. Submit button to submit for approval.
   c. Total button to validate the total hrs entered on the form.
   As the submit action is already used for Insert Row button. How can i create these three buttons and where should write code for the same.
Please do the needful at the earliest.
Thanks in advance.
Regards,
Phani Shankar.K

HI Phani,
Try this one...
In ur form keep two buttons.. ADD and SUBMIT..
in the *ADD* button's javascript code add the following,
subformname.tablename.rowname.addInstance(1);
status.rawValue = "ADD";
in *SUBMIT* button's javascript code,
status.rawValue = "SUBMIT";
then, in ur *onactionsubmit*, add the following with ur code (hope u r following my previously posted code..
data: lt_eban type wd_this->elements_table,
          wa_eban like line of lt_table.
* get single attribute
lo_el_main->get_attribute(
    exporting
      name = `STATUS`
    importing
      value = lv_status ).
call method lo_nd_table->get_static_attributes_table
   importing
     table = lt_table.
if lv_status = 'ADD'.
   append wa_table to lt_table.
   clear: wa_table.
call method lo_nd_table->bind_table
   exporting
     new_items = lt_table.
clear lv_status.
elseif lv_status = 'SUBMIT'.
lo_el_table = lo_nd_eban->get_element( ).
loop at lt_el_table into lo_el_table.
   lo_el_table->get_static_attributes(
      importing
       static_attributes = ls_table ).
       append ls_table to lt_table.
endloop.
endif.
regards,
*Surya*

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