detection of apex_item in javascript null value
Request Express 3.2.0.00.27I have the javascript code that is called from a trigger of js on charge.
I have a manually created form tablur here is the code for the form region:
SELECT APEX_ITEM.POPUP_FROM_LOV(15,c001,'AUTH_LOV',NULL,NULL,0,NULL,NULL,NULL,'YES','f15_' || '#ROWNUM#') authid,
apex_item.hidden(16, c002, NULL,'f16_'|| '#ROWNUM#') empid,
-- apex_item.display_and_save(16,c002,'f16_'|| '#ROWNUM#') empid,
apex_item.date_popup(17, rownum, c003, 'DD-MON-YYYY',20,2000,NULL,'f17_' || '#ROWNUM#')deldate,
apex_item.textarea(18,c004,5,40,NULL,'f18_'|| '#ROWNUM#') "Delegation scope",
apex_item.textarea(19,c005,5,40,NULL,'f19_'|| '#ROWNUM#')"Delegation limits",
apex_item.select_list_from_lov(20,c006,'YESNO_LOV',NULL,'NO','N','%','f20_'|| '#ROWNUM#')"ORA Signed",
apex_item.date_popup(21, rownum, c007, 'DD-MON-YYYY', 20,2000,NULL,'f21_' || '#ROWNUM#') "Del expiry",
apex_item.date_popup(22, rownum, c008, 'DD-MON-YYYY', 20,2000,NULL,'f22_' || '#ROWNUM#') "Date removed",
apex_item.textarea(23,c009,5,40,NULL,'f23_'|| '#ROWNUM#') "Delegation comments",
apex_item.POPUP_FROM_LOV(24,c010,'DELEGATION_LOV',NULL,NULL,0,NULL,NULL,NULL,'YES','f24_' || '#ROWNUM#') "Delegator",
apex_item.display_and_save(25,c011,'f25_'|| '#ROWNUM#') status,
-- apex_item.display_and_save(26,seq_id,'f26_'|| '#ROWNUM#') seq_id,
apex_item.hidden(26, seq_id,NULL,'f26_'|| '#ROWNUM#') ||
apex_item.checkbox(27, seq_id,NULL,NULL,':','f27_'|| '#ROWNUM#') chkbx
FROM apex_collections
WHERE collection_name = 'DELEG_COLL'
AND c011 IN ('O','N','U','D')
--order by c001Otherwise when rendering I want to render with default values of the api apex_item for a LOV.
I check a null like this:
function changeProp(pCol) {
var elms = document.getElementsByName(pCol);
for (i=0; i< elms.length; i++) {
/* elms.style.backgroundColor = 'yellow'; */
if $v_IsEmpty(elms[i].value) {
alert('The value is' + elms[i].value);
}
}
}
function changeProp(pCol) {
var elms = document.getElementsByName(pCol);
for (i=0; i< elms.length; i++) {
/* elms[i].style.backgroundColor = 'yellow'; */
if (elms[i].value == null or elms[i].value == '%null%') {
alert('The value is' + elms[i].value);
}
}
}
The alert ( alert('The value is' + elms.value); is only used to verify I am readying the value correctly. WHen executed outside of the if clause it does show the correct value.
However the code above is not execting when a new row is created and hence f15 should be null. In the code above you can see I have tried to check for a null value in two different ways with no success.
Once it detects the null I would want to change the class to t20data and the type to hidden.
I could do this in the report query, instead of using JavaScript, but nvl, nvl2and coalesce are better than decode for the treatment of NULL values:
nvl2(
c001,
apex_item.display_and_save(15,c001,'f15_'|| '#ROWNUM#'),
apex_item.popup_from_lov(15, c001, 'AUTH_LOV', null, null, 0, null, null, null, 'YES', 'f15_' || '#ROWNUM#')) authid,
The error message is due to the use of page focus of the cursor attribute, or some custom JavaScript that attempts to set the focus of cursor in an element that cannot be entered. If the focus of the cursor is set to 'First element on the page', try replacing it "do not focus cursor. (If this corrects the problem, but you want to focus on the first entrable element at the entrance to the page that you need to write some custom JS to do this).
Tags: Database
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