I just noticed that this post never made it to the list ......
----- Forwarded by Oscar Cortes/ServiceCenter/US/SunLife on 10/12/2005
02:01 PM -----
Oscar Cortes To:
[email protected]
10/12/2005 09:48 AM cc:
Subject: RE: [flexcoders]
Reading the displayed value in a DataGrid - How
to(Document link: Oscar Cortes)
Thanks Matt, I might give this a try. I ended up using something like this
which also works:
" for (var i:Number=0; I < dg.rowcount; i++)
{
for (var j:Number=0; I < dg.columns.length; j++)
{
myHTML += dg.rows[i].cells[j].value;
}
}
"
As I said, this works and makes sense. It reads what it is in the cell and
not what it is in the dataprovider for the same position. However, it is
not documented I believe. I found something similar in the Macromedia
forums. Any comments?
Thanks,
-Oscar.
"Matt Chotin" To: [email protected]
<[EMAIL PROTECTED]> cc:
Sent by: Subject: RE: [flexcoders]
Reading the displayed value in a DataGrid - How
[email protected] to
10/11/2005 11:00 PM
Please respond to
flexcoders
How about something like this?
For (var i:Number=0; I < dg.dataProvider.length; i++)
{
var cells:Array = [];
var item:Object = dg.dataProvider.getItemAt(i);
for (var c:Number=0; c < dg.columns.length; c++)
{
var col:mx.controls.gridclasses.DataGridColumn = dg.getColumnAt( c );
if (c.labelFunction != undefined)
{
cells.push(c.labelFunction(item));
}
else
{
Cells.push(item[c.columnName]);
}
}
//do something with cells to build your HTML
}
Matt
From: [email protected] [mailto:[EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Monday, October 10, 2005 2:32 PM
To: [email protected]
Subject: Re: [flexcoders] Reading the displayed value in a DataGrid - How
to
Let me reformulate my question. Usually you can use selectedItem.
columnName to read the value of a row/column of a datagrid. This seems to
work fine as shown in the Flex Sample Explorer ( example below). But how
can you read the value of a computed column that was added in addition to
the columns returned by the dataprovider? When I trace the selectedItem
or getItemAt, I only get the dataprovider data and nothing else.
<mx:DataGrid id="dg" width="100%" height="100%"
dataProvider="{employeeModel.employee}">
<mx:columns>
<mx:Array>
<mx:DataGridColumn columnName="name" headerText="Name"/>
<mx:DataGridColumn columnName="phone" headerText="Phone"/>
<mx:DataGridColumn columnName="email" headerText="Email"/>
<!-- How can I read this? -->
<mx:DataGridColumn columnName="myComputedColumn"
headerText="All" labelFunction="cocanateAll"/>
<!-- No part of the dataprovider, but shows OK -->
</mx:Array>
</mx:columns>
</mx:DataGrid>
<mx:Form>
<mx:FormItem label="Name">
<mx:Label text="{dg.selectedItem.name}"/>
</mx:FormItem>
<mx:FormItem label="Email">
<mx:Label text="{dg.selectedItem.email}"/>
</mx:FormItem>
<mx:FormItem label="Phone">
<mx:Label text="{dg.selectedItem.phone}"/>
</mx:FormItem>
<!-- How can I read this? -->
<mx:FormItem label="">
<mx:Label text="{dg.selectedItem.myComputedColumn}"/> <!--
This doesn't work -->
</mx:FormItem>
<!-- -->
Thanks,
</mx:Form>
[EMAIL PROTECTED] To:
[email protected]
Sent by: cc:
[email protected] Subject: [flexcoders]
Reading the displayed value in a DataGrid - How to
10/10/2005 12:45 PM
Please respond to
flexcoders
I am using labelFunction for a column in a datagrid. How can I read the
displayed value and not the real value directly from the dataGrid?
I am also wondering how to get values from the DataGrid in general. I need
to render the DataGrid to a HTML table, I mean, read columns and rows from
the dataGrid and have a string with the HTML syntax. I could not find
anything such as getRow, and then read each column. So I am selecting each
Row and then using the selectedItem property.
I know that I could use the function executed in labelFunction to
reproduce the displayed value, but I am actually trying to extend the
DataGrid class and add a method called getHTMLString for example. This
would require to be agnostic of whether the column has a labelFunction or
not.
Any ideas?
Thanks.
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