Radio List events

I've noticed a quirk (imagine that) with Forte radio lists and am
wondering if there is a known work around. Here is the problem:
We are trying to catch the value of a radio list. We want the value
that the user inteded by his/her click, so we register for the
AfterValueChange event. Ordinarily this work fine, but an error ensues
when the user clicks for a second time the calue that they just clicked.
Error:
DEVELOPER ERROR: Attempt to invoke method which is invalid for
DataValue object with Null Value
A double-click will do this as well when registered for the
AfterValueChange event. Registering for the Click event is no good
because the value has not yet changed to what the user intended. The
value is still at the same place prior to the user click.
Does anybody have any light that they'd like to shed on this one? Much
thanks in advance. :)
Sincerely,
Gregory J. Dalbey,
May&Speh
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'unsubscribe forte-users' as the body of the message.
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It works fine for me - I can email a simple example if you need it.
I've noticed a quirk (imagine that) with Forte radio lists and am
wondering if there is a known work around. Here is the problem:The quirk is Developer Error.
We are trying to catch the value of a radio list. We want the value
DEVELOPER ERROR: Attempt to invoke method which is invalid for
DataValue object with Null Value
Based on the error message you described, I predict that your radio list
widget has a mapped type of integerdata, and it doesn't have any memory.
There are at least 2 solns:
A. If you change the mapped type to integer you wont need to '=new;'
memory for the widget, but you loose the power of the integerdata class.
B. If you keep the mapped type to integerdata, then you need to edit the
'Init()' method by adding a line which says radiolistAttrib = new;
and your problems will be corrected.
-jim
Jim Rice mailto:[email protected]
Forte Software, Inc. http://www.forte.com
National Tech Services Work#: 301-721-1910
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Similar Messages

  • Re:Radio List events

    Ok, everybody,
    Apparently I had the radio list mapped to a IntegerNullable type. A
    subsequent click to a just-selected radio list choice will blow up in
    this case. Why? I'm not sure. I simply mapped the radio list to
    Integer, changed all assignments and references and it works fine now.
    Hope these observations can help somebody.
    Take Care, Peace,
    Greg Dalbey - Developer
    May&Speh
    To unsubscribe, email '[email protected]' with
    'unsubscribe forte-users' as the body of the message.
    Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>

    It works fine for me - I can email a simple example if you need it.
    I've noticed a quirk (imagine that) with Forte radio lists and am
    wondering if there is a known work around. Here is the problem:The quirk is Developer Error.
    We are trying to catch the value of a radio list. We want the value
    DEVELOPER ERROR: Attempt to invoke method which is invalid for
    DataValue object with Null Value
    Based on the error message you described, I predict that your radio list
    widget has a mapped type of integerdata, and it doesn't have any memory.
    There are at least 2 solns:
    A. If you change the mapped type to integer you wont need to '=new;'
    memory for the widget, but you loose the power of the integerdata class.
    B. If you keep the mapped type to integerdata, then you need to edit the
    'Init()' method by adding a line which says radiolistAttrib = new;
    and your problems will be corrected.
    -jim
    Jim Rice mailto:[email protected]
    Forte Software, Inc. http://www.forte.com
    National Tech Services Work#: 301-721-1910
    To unsubscribe, email '[email protected]' with
    'unsubscribe forte-users' as the body of the message.
    Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>

  • Is there a way that iTunes can act as a Radio Alarm Clock? I have found the radio station I enjoy listening to in the iTunes Radio List. Is there anyway iTunes (and my Mac) can be set to come-on and start playing that Radio Station from Sleep mode at spec

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