Hi Michael,
Can you tell me how to check for post 60726?
----- Original Message ----
From: michael_ramirez44 <[EMAIL PROTECTED]>
To: [email protected]
Sent: Monday, February 19, 2007 9:00:57 PM
Subject: [flexcoders] Re: error when scroll datagrid vertically?
Hey Guys,
I have had a similar problem. Check out message post 60726
Michael Ramirez
--- In [EMAIL PROTECTED] ups.com, "Ciarán" <[EMAIL PROTECTED] ..> wrote:
>
> Hi,
>
> > I am facing a weird problem with datagrid. I have added a custom
> > itemrenderer in my datatgrid which draws a bullet graph in one of
> > the columns.
>
> It sounds like a problem with your itemRenderer.
>
> > for (i = lockedRowCount; i < rowCount; i++)
> > {
> >
> > numCols = listItems[i] .length;
> > var bVisible:Boolean = false;
> > ...
> > ...
>
> > Now this code should run till "i" is less than rowCount, but I
observed that
> > if rowCount = 15 and listItems.length = 14 then after "i"
executes the code for
> > 14 it increments and also executes for 15.
>
> listItems.length does nothing to determine the length of the loop.
The
> condition is i < rowCount, so if rowCount = 15, and
listItems.length =
> 14, that makes perfect sense. The loop will run from lockedRowCount
to
> 15 (counting from 0 to < 15 yeilds 14 = listItems.length) .
>
> lockedRowCount is "The index of the first row in the control that
scrolls".
>
> listItems is a collection of itemRenderers (one for each row in each
> column of your DataGrid)
>
> Can you post a code example (it would help to see the itemRenderer
and
> the Data Grid declaration.
>
> Best Regards,
> Ciarán
>
> > I am not getting the cause for this behaviour, is it a bug in
flex.
> >
> >
> > Error:
> > TypeError: Error #1010: A term is undefined and has no properties.
> > at
mx.controls. listClasses: :ListBase/ mx.controls. listClasses: ListBase: :sc
rollVertically( )
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\controls\ listClasses\ ListBase. a
s:5346]
> > at
mx.controls: :DataGrid/ mx.controls: DataGrid: :scrollVerticall y()
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\controls\ DataGrid. as:1923]
> > at
com.flex.MyDataGrid ::myDataGrid/ com.flex. MyDataGrid: myDataGrid: :scroll
Vertically() [C:\Documents and Settings\someone\ My Documents\Flex
Builder 2\SampleWidget\ com\flex\ MyDataGrid\ myDataGrid. as:24]
> > at mx.controls. listClasses: :ListBase/ set
verticalScrollPosit ion()
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\controls\ listClasses\ ListBase. a
s:1043]
> > at mx.controls: :DataGrid/ mx.controls: DataGrid: :scrollHandler( )
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\controls\ DataGrid. as:1720]
> > at
flash.events: :EventDispatcher /flash.events: EventDispatcher: :dispatchEv
entFunction( )
> > at flash.events: :EventDispatcher /dispatchEvent( )
> > at mx.core::UIComponen t/dispatchEvent( )
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\core\UICompon ent.as:8323]
> > at
mx.controls. scrollClasses: :ScrollBar/http://www.adobe. com/2006/ flex/mx
/internal::dispatch ScrollEvent( )
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\controls\ scrollClasses\ ScrollBa
r.as:1096]
> > at
mx.controls. scrollClasses: :ScrollBar/http://www.adobe. com/2006/ flex/mx
/internal::lineScro ll()
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\controls\ scrollClasses\ ScrollBa
r.as:1058]
> > at
mx.controls. scrollClasses: :ScrollBar/ mx.controls. scrollClasses: ScrollB
ar::downArrow_ buttonDownHandle r()
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\controls\ scrollClasses\ ScrollBa
r.as:1160]
> > at
flash.events: :EventDispatcher /flash.events: EventDispatcher: :dispatchEv
entFunction( )
> > at flash.events: :EventDispatcher /dispatchEvent( )
> > at mx.core::UIComponen t/dispatchEvent( )
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\core\UICompon ent.as:8323]
> > at
mx.controls: :Button/http://www.adobe. com/2006/ flex/mx/internal ::button
Pressed()
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\controls\ Button.as: 1988]
> > at mx.controls: :Button/mx. controls: Button::mouseDow nHandler( )
[C:\dev\flex_ 201_gmc\sdk\ frameworks\ mx\controls\ Button.as: 2234]
> >
> > ____________ _________ _________ __
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