JavaScript: box always invalid after the page

Hello

In a region, I have a check box that must be disabled by default. After clicking on a button that applies a MRU/present (and verification of certain conditions) the box should switch to on.

What I did:
-The Javascript of the enableCheckbox() and disableCheckbox() functions are defined in the HTML page header (they work).
-In the foot of the region with the box I call the function disableCheckbox ('myCheckbox'); to get the default value.
-The optional URL redirection of the button says:
JavaScript:doSubmit('SUBMIT'); to submit
JavaScript:enableCheckbox('myCheckbox'); to activate the checkbox

The problem is that the box will switch on, because submit/reload the page to disable the checkbox through the foot of the region. Think of other solutions, I realized that each top up will set the default again...

How can that be resolved?
Thanks in advance,

Roger

Hi Roger,

You must have somewhere a logic that determines if the checkbox should be disabled/enabled.

Generally speaking, it would be the value of one or more fields and the box should be checked whenever the field related (s) is / are updated using the onchange event.

There are several ways to check for this, but the principles would be the same. For example:

function check()
{
 var x = document.getElementById("P1_PAGEITEM");
 var c = document.getElementById("P1_CHECKBOX");
 if (x.value == 'XXX')
 {
  c.disabled = false;
 }
 else
 {
  c.disabled = true;
 }
}

This function can be used on the page loading - by adding a call to it in Footer region region - and the attributes of the P1_PAGEITEM using:

onchange="javascript:check();"

Andy

Tags: Database

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JavaScript: box always invalid after the page

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