on 09-22-2008 10:53 AM
I run into a runtime error when I use the DropDowByKey with fixed value set: the value seletedKey = "001" in DropDownByKey "DDBK_APP_STATE" does not exist in the value list and is not initial either. But I have already added the value pair of the selectedKey using
"NODE_INFO->SET_ATTRIBUTE_VALUE_SET(
NAME = 'APP_STATE'
VALUE_SET = LT_VALUESET )." and I can select it from view. But when I use the attribute bound to the dropdownbykey in select statement as where condition and bind result into table. Before the screen reflash , the error occurs.
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The error implies that the selectedvalue, such as 1, of the 2nd dropdownbykey is not in its value range after fetching the data or other process during this action. When I select the item whose corresponding value = 0, it seems work fine, because 0 is the initial value. Is it possible for the value range of the dropdownbykey to refresh or be cleared at some time in the process?
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I have two dropdownbykeys, DROP1(bound to attribute APP_AGENT),DROP2( bound to attribute APP_STATE). Selecting the first will change the content of the other.
The code in the onSelect event of the drop1, which will change the select list of DROP2:
DATA:NODE_INFO TYPE REF TO IF_WD_CONTEXT_NODE_INFO.
DATA: LT_VALUESET TYPE WDY_KEY_VALUE_TABLE,
L_VALUE TYPE WDY_KEY_VALUE.
NODE_INFO = WD_CONTEXT->GET_NODE_INFO( ).
NODE_INFO = NODE_INFO->GET_CHILD_NODE( 'NODE_SEARCH' ).
"**************************set value set for drop down***************
DATA lo_nd_node_search TYPE REF TO if_wd_context_node.
DATA lo_el_node_search TYPE REF TO if_wd_context_element.
DATA ls_node_search TYPE wd_this->element_node_search.
DATA lv_app_agent LIKE ls_node_search-app_agent.
DATA lv_app_state LIKE ls_node_search-app_state.
navigate from <CONTEXT> to <NODE_SEARCH> via lead selection
lo_nd_node_search = wd_context->get_child_node( name = wd_this->wdctx_node_search ).
get element via lead selection
lo_el_node_search = lo_nd_node_search->get_element( ).
lo_el_node_search->get_attribute(
EXPORTING
name = `APP_STATE`
IMPORTING
value = lv_app_state ).
get single attribute
lo_el_node_search->get_attribute(
EXPORTING
name = `APP_AGENT`
IMPORTING
value = lv_app_agent ). -
get the value of DROP1
clear the selected value of drop down
lo_el_node_search->set_attribute(
EXPORTING
name = `APP_STATE`
value = '' ).----
I want to clear the selected value of DROP2
IF lv_app_agent IS INITIAL.
L_VALUE-VALUE = 'SUBMIT'.
CLEAR L_VALUE-KEY .
INSERT L_VALUE INTO TABLE LT_VALUESET.
NODE_INFO->SET_ATTRIBUTE_VALUE_SET(
NAME = 'APP_STATE'
VALUE_SET = LT_VALUESET ).
exit.
ENDIF.
CASE lv_app_agent .----
there are 2 cases
WHEN 'SUPP_APP'.
L_VALUE-VALUE = 'APPROVE'.
L_VALUE-KEY = '1'.
INSERT L_VALUE INTO TABLE LT_VALUESET.
L_VALUE-VALUE = 'INITIAL'.
L_VALUE-KEY = '0'.
INSERT L_VALUE INTO TABLE LT_VALUESET.
WHEN OTHERS.
L_VALUE-VALUE = 'APPROVE'.
L_VALUE-KEY = '1'.
INSERT L_VALUE INTO TABLE LT_VALUESET.
L_VALUE-VALUE = 'INITIAL'.
"CLEAR L_VALUE-KEY.
L_VALUE-KEY = '000'.
INSERT L_VALUE INTO TABLE LT_VALUESET.
L_VALUE-VALUE = 'REJECT'.
L_VALUE-KEY = '2'.
INSERT L_VALUE INTO TABLE LT_VALUESET.
ENDCASE.
NODE_INFO->SET_ATTRIBUTE_VALUE_SET(
NAME = 'APP_STATE'
VALUE_SET = LT_VALUESET ).
Then in the another method, I will fetch the value of attribute APP_STATE. I can successfully get the value and put it into where clause and get result. But I will get a runtime error then.
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Hi Yichao,
Can you please paste the coding in which you are binding the values to your dropdown and the code where you try to fetch from the database.
Regards,
Uday
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