Hi Rodrigo,
There are two ways for it:
1) Creating an attribute dynamically under the Staticly defined node.
2) Creating a new node dynamically with your desired columns in it.
I am explaining the second process, Here it as follows:
1. Create a WDC, and use the component SALV_WD_TABLE.
2. Create a node in the context to store the defined strucutre name.
3. Read the node and set the structure name to that node from which you want to get the columns.
4. Use this structure name and create a new node dynamically.
5. Set the data to this dynamically created node.
6. Set this context node to ALV.
Here is the sample code:
tabname_node->get_attribute( Exporting name = 'TABLENAME'
Importing value = tablename ).
translate tablename to upper case.
*create sub node named TEST1 of structure (tablename)
cl_wd_dynamic_tool=>create_nodeinfo_from_struct(
parent_info = rootnode_info
node_name = tablename
structure_name = tablename
is_multiple = abap_true ).
DATA: stru_tab type ref to data.
field-symbols: <tab> type table.*Create Internal Table
create data stru_tab type table of (tablename).
assign stru_tab->* to <tab>.*Get table content
select * from (tablename) into corresponding fields of table <tab>.*get instance of new node
dyn_node = wd_context->get_child_node( name = tablename ).*Bind Internal table to context node.
dyn_node->bind_table( <tab> ).*instantiate alv component
data: l_ref_cmp_usage type ref to if_wd_component_usage.l_ref_cmp_usage = wd_this->wd_cpuse_alv( ).
if l_ref_cmp_usage->has_active_component( ) is initial.
l_ref_cmp_usage->create_component( ).
endif.*pass context node to alv
data: l_ref_interfacecontroller type ref to iwci_salv_wd_table .
l_ref_interfacecontroller = wd_this->wd_cpifc_alv( ).
l_ref_interfacecontroller->set_data( dyn_node ).
Hope it helps..
Good day!
Regards,
Shashikanth. D
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