Datagrid without cahe?

Hello to all...
Short:
The datagrid (and advanced datagrid) are optimized for identical "widgets" in each column. I would like to use a table layout without this feature. Does something like that exist.
Long:
If you think of an excel spreadsheet you will recognize 2 usages of it. Some sheets have long columns of identically formated numbers. Some sheets have diferent types of content in each cell of the columns. I realize that datagrid, (and the related advanced datagrid) are optimized for the first type of "sheet" in that they cache the drawing widgets and reuse them... I was wondering if there was a "grid" that was not so optimized, so that I can use it for the second type of sheet?
Thanks for taking the time to read this....
Jerry Westrick

"myDG.showHeaders" property.
Tracy

Similar Messages

Update Datagrid without refreshing

Hi everyone!
Is there a way to refresh a datagrid without clicking a button or refreshing the page if a new entry was inserted into the database.
Example:
A new name is inserted in the database, my datagrid will automatically update, it's like real time in updating.
thank you very much!

re-Flexing wrote:
Hi everyone!
Is there a way to refresh a datagrid without clicking a button or refreshing the page if a new entry was inserted into the database.
Example:
A new name is inserted in the database, my datagrid will automatically update, it's like real time in updating.
thank you very much!
what kind of project are you going to be including it in?
commerical? personal?
or are you just messing around with code?
messing around/personal usage, i'd suggest a script acting on a timer request to check the database for any new entries.
with a fully commerical project, you'd have to go the route of developing your own system with the implementation of a send/listener procedure, or as already mentioned, buy a pre-built one.

How to scroll within a datagrid without the browser window scrolling as well

Hi,
I have a datagrid with a vertical scrollbar. When the mouse
is over the datagrid i'd like to use the mouse wheel to scroll
through its contents. However when i do this the main browser
window (which also has a vertical scrollbar) scrolls as well. How
can i prevent the main browser window from scrolling when the mouse
is over the datagrid so that only the contents of the datagrid
scroll?
Thanks

I found some javascript code that solves this problem. Credit
for the code has to go to the person who wrote the excellent
article at the following link:
http://www.switchonthecode.com/tutorials/javascript-tutorial-the-scroll-wheel
If you read this article the code below should make sense.
From this article i used the hookEvent and cancelEvent
functions. In my particular case I embed the SWF object inside a
JSP page using some javascript code. After the SWF is loaded i
added the following line of code:
hookEvent('my_swf_id', 'mousewheel', handleMouseWheel);
where handleMouseWheel is defined as follows:
function handleMouseWheel(e)
if (document.getElementById("my_swf_id"))
document.getElementById("my_swf_id").focus();
return cancelEvent(e); // This is the key to the solution...
When the mouse is over the datagrid in the SWF i can use the
mouse wheel to scroll its contents without the main browser window
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Thanks to all who took time to post their ideas, it was
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UPDATE single ROW from DATAGRID without refreshing the entire ItemsSource

Hello there,
I have a simple datagrid that has an ItemsSource of ObjectQuery<DbDataRecord>.
Let's say I want to refresh a single row from the datagrid, (Because a specific item i know has been changed) without refreshing the entire ItemsSource because the source query is quite big.
Any ideas?
Thanks.
-- Jorge_M_P

Whilst you could raise property changed on every field in an item, that would of course mean implementing inotifypropertychanged on a wrapper object, then iterating all of those properties.
An observablecollection implements the INotifyCollectionChanged interface.
Amongst the possibilities for changes which that notifies are this one:
https://msdn.microsoft.com/en-us/library/ms653207(v=vs.110).aspx
Which notifies of a single item change.
I usually wrap my entity framework objects.
Sometimes I wrap all the properties so I can do change tracking in the viewmodel.
This is a technique similar to the one I use in this sample:
https://gallery.technet.microsoft.com/WPF-Highlight-Changed-a77976d4
Which wraps plain classes - but the principle is the same.
And
I wrap the object and expose that, as I do in this:
http://social.technet.microsoft.com/wiki/contents/articles/28209.wpf-entity-framework-mvvm-walk-through-1.aspx
Note that because I wrap the same objects returned from EF, there is very little overhead in using an observable collection there.
Hope that helps.
Recent Technet articles:
Property List Editing ;
Dynamic XAML

Flex datagrid without webserver possible ?

Is it possible to use flash/flex to pull data from a database
without the use of a webserver ? I have a swf. embedded within a c#
.net forms application using fscommand to pass events back to the
application but now have to see if I can pull the data without the
use of a webserer. I understand that no webserver is going to be
installed on these local pc's. Any ideas would be great !
Thank You,

Mike Britton has a tutorial for querying a Microsoft Access
database on your local computer and displaying the results in a
DataGrid:
Introduction
to Basic ColdFusion / Flex 2 Remoting

Sorting a DataGrid without changing the content

I have a datagrid which is shown in a chart. I'd like to have it sorted upside down the dataField "x" without changing the chart, which is bound to the same arrayCollection. How can I do this without changing the chart?
<mx:DataGrid sortableColumns="false" width="480" height="156" dataProvider="{myArrayCollection}" editable="false" y="581" enabled="true" x="10">
          <mx:columns>
                <mx:DataGridColumn id="col1" dataField="x" headerText="Trade #" />
                <mx:DataGridColumn id="col2" dataField="p" headerText="Price" />
                <mx:DataGridColumn id="col3" dataField="n" headerText="Users" />
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</mx:DataGrid>
thanks
nicolas

ArrayCollection is a view of a source Array. If you create a second view, it can have a different sort order because sort and filters are properties of a view.
Just assigning AC2 = AC1 simply has AC2 referencing the same view so sorting will have an effect on all consumers of that view. However, if you do:
AC2 = new ArrayCollection();
AC2.list = AC1.list
then you can sort AC2 and AC1 will not reflect the sort and vice-versa. But, if you add an item to AC2 or AC1 it will be reflected in the other AC. If you modify a property of an item in one AC, the other AC will see it.
If you do:
AC2 = new ArrayCollection()
AC2.source = AC1.source
You can also sort AC2 and AC1 will not reflect the sort and vice-versa. But, if you add an item to AC2 or AC1, the other will not reflect that change unless you force an update on the other. Same is true if you modify a property on an item in the AC. The other AC won't know about it until you force an update.
If you want to modify properties of an item in one AC and not every have it reflected in the other AC, then you should do a copy as the previous responder suggested. I believe you want to use the pattern that assings AC2.list = AC1.list.
Alex Harui
Flex SDK Developer
Adobe Systems Inc.
Blog: http://blogs.adobe.com/aharui

How can I control the display of rows in datagrid without changing the dataprovider?

Hello,
I'm using advancedatagrid to render my table but I'm facing a problem to skip few rows which are unwanted or to hide. I should retain my original dataprovider without any modifications to achive this behaviour as I'm using it at many places.
Can you guys please send me a tip or the example code? I really appreciate for it.
Thanks,
Siva.

Hello Gaurav,
Thank You..!!! I tried appling filterFunction on the ADG and got whatever I expected but filter changes the original dataprovider behaviour. SO which I dont want to do it.
I have created a local variable and binded whatever data wanted to display on that page. Infact it works as expexted and I still have original data provider as well.
I have one more problem, I'm using creationComplete to initialize my local data provider value. It works only once while creation of state. If I navigate my screens fore and back and come back to this screen, it doesn't display the modified values as creationComplete loads only while state creation.
Is there any mothid which does the samething while vising the page every time than creation?
Thanks,
Siva

Saving dynamic objects in a container to a dataGrid

I have an app which contains a dataGrid and a VBox container.
dataGrid columns = username | objects
VBox = holds children, objects (SWFLoaders)
How would I be able to get the children back out of the
dataGrid / save them to the dataGrid? Right now I'm using a
VBox.getChildren(); and a dataGrid.selectedItem.objects =
VBox.getChildren(); to get the information in. Is there any way to
render it back out to the VBox so each user could have a different
set of objects?
Editing to show what the getChildren is returning - >
AppName1.VBox.childName1,AppName1.VBox.childName2,AppName1.VBox.childName3,
(etc)
Any help, much appreciated.

peterent:
Let me try to clarify.
I'm using a VBox to visually display a series of graphics. I
am getting those graphics into the VBox by adding them as children.
I'm using a dataGrid to hold data about a user, and it is set
up to hold multiple users. Each user has a series of data that is
redisplayed when you select their index in the datagrid. This is
all textual data, so I figured out how to get it to save into the
datagrid without too much trouble. Also I figured out how to
redisplay the selected data once it was out.
(Every column in the datagrid is set to not be visible except
for the name)
The big problem I'm having is turning the children of the
VBox into something that would a> save easily to the dataGrid
and b> load easily back into the VBox. This way, in addition to
the data that I already have for each user, I could also save a
series of graphics, that I could load back in at a later time into
the VBox.
I kinda went down the roads of considering using states
today. But I don't really know how to dynamically generate a state
which would then save into a dataGrid, and then have that state
work for many different end-users.
So, I hope this cleared things up a little bit. If not, or if
you think you might know what I'm sniffing at but aren't totally
sure, I could show you my source / app.

Datagrid column header split

Greetings,
I am using flashbuilder 4.5 for php premium. I have a datagrid and need
to have multiple column headers some spanning others. I found an
example that has multiple header/iterm renderers, but it is for the mx:datagrid,
not the spark. The example calls it SplitDataGridHeader. Is there a way to
do this with a spark (s:datagrid) without all the extra?
The following is an image of the mx version running:
thanks.

@Johnny,
Try to make use of the headerRenderer property and use <mx:Text /> control as a renderer so that your headerText gets wrapped..
Thanks,
Bhasker
Message was edited by: BhaskerChari

Print data in Datagrid with AS3

Dear all,
I would want to print out all the data inside my Datagrid which were populated in flash AS3. Taking into consideration that my datagrid has horizontalScrollPolicy and verticalScrollPolicy activated, how do I print the whole information?
This is the closest code I'm looking for, but I had alot of errors when I tried to use it, maybe because it is in AS2 & i convented it wrongly...
Link: http://www.knowledgesutra.com/forums/topic/29459-print-with-flash-and-datagrids-without-re sizing/
Do take a look at the code please.
My convented code from AS2 to AS3:
import fl.data.DataProvider;
import fl.controls.DataGrid;
import fl.controls.ScrollPolicy;
var dp:DataProvider = new DataProvider();
var fitPage:Boolean = false;
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitleTestPrizeNameTestPrizeNameTestPrizeName", Prize_Name:"TestPrizeNameTestPrizeNameTestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1TestName1TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeName"});
dp.addItem({no:"1", Winner_Name:"TestName1", Prize_Title:"TestPrizeTitle", Prize_Name:"TestPrizeNameTestPrizeNameTestPrizeNameTestPrizeNameTestPrizeName"});
datagrid.columns = ["no","Winner_Name","Prize_Title","Prize_Name"];
datagrid.getColumnAt(0).width = 50;
datagrid.getColumnAt(1).width = 150;
datagrid.getColumnAt(2).width = 100;
datagrid.getColumnAt(3).width = 350;
datagrid.dataProvider = dp;
datagrid.horizontalScrollPolicy = ScrollPolicy.ON;
datagrid.setSize(600, 250);
clickme.addEventListener(MouseEvent.CLICK, clickmeFn)
function clickmeFn(e:MouseEvent){
     fitPage = true;
     doPrint()
function doPrint(){
      if (fitPage == false) fitPage = true;
        var pj:PrintJob = new PrintJob();
        // position of currently visible rows stored
        var prev_vPosition:Number = datagrid.verticalScrollPosition;
        var prev_width:Number = datagrid.width;
        var prev_height:Number = datagrid.height;
        var prev_vScroll = datagrid.verticalScrollPolicy;
        var prev_selectedIndex = datagrid.selectedIndex;
        var dgPrintWidth:Number = 0;
        var dgPrintHeight:Number = 0;
        if (pj.start() != true) {
               return;
        // hide scrollbar for print
        datagrid.verticalScrollPolicy = "off";
        // hide the selection
        datagrid.selectedIndex = undefined;
        // datagrid width for printing
        if (fitPage) {
               dgPrintWidth = pj.pageWidth;
        } else {
               if (prev_width < pj.pageWidth) {
                    dgPrintWidth = prev_width;
               } else {
                    dgPrintWidth = pj.pageWidth;
        // number of rows per view, ignoring fractions (floor)
          var rowsPerPage:Number = Math.floor((pj.pageHeight-datagrid.headerHeight)/datagrid.rowHeight);
        // total number of pages to be printed, if there are any fractions, have one page for that (ceil)
        var total_pages:Number = Math.ceil(datagrid.dataProvider.length/rowsPerPage);
        // number of full pages to be printed, ignoring fractions (floor)
        var full_pages:Number = Math.floor(datagrid.dataProvider.length/rowsPerPage);
        // number of rows on last page if partial
        var last_page_rows:Number = 0;
        // height of last page if partial
        var last_page_height:Number = 0;
        // partial last page ?
        if (total_pages != full_pages) {
               last_page_rows = datagrid.dataProvider.length - (full_pages*rowsPerPage);
               last_page_height = datagrid.headerHeight + (datagrid.rowHeight * last_page_rows);
        // datagrid height for printing
        dgPrintHeight = datagrid.headerHeight + (datagrid.rowHeight * rowsPerPage);
        datagrid.setSize(dgPrintWidth, dgPrintHeight);
        for (var i = 0; i<total_pages; i++) {
               // if last page and partial - resize grid
               if ((i == total_pages - 1) && (last_page_rows > 0)) {
                    datagrid.setSize(dgPrintWidth, last_page_height);
               // move the visible row position.
               datagrid.verticalScrollPosition = i*rowsPerPage;
               // size box relative to the grid
               var b = {xMin:0, xMax:datagrid.width, yMin:0, yMax:datagrid.height};
               if (!fitPage && prev_width < pj.pageWidth) {
                    var x0 = (pj.pageWidth - prev_width) / 2;
                    b = {xMin:(-x0), xMax:(datagrid.width+x0), yMin:0, yMax:datagrid.height};
               pj.addPage(datagrid, b);
        pj.send();
          pj = null;
       // delete pj;
        // previous scrollPolicy
        datagrid.verticalScrollPolicy = prev_vScroll;
        // position of currently visible rows restored
        datagrid.setSize(prev_width, prev_height);
        datagrid.selectedIndex = prev_selectedIndex;
        datagrid.verticalScrollPosition = prev_vPosition;
The error I get when I tried to print it:
TypeError: Error #1034: Type Coercion failed: cannot convert Object@26ec1d31 to flash.geom.Rectangle.
     at _fla::MainTimeline/doPrint()
     at _fla::MainTimeline/clickmeFn()
Advice needed
-Zainuu

var columns:Array = ["Flash", "ActionScript", "Republic of Code"];
     trace(columns);
     //Start printing headers
     var xPos:Number = 0;
     var tbWidth:Number = 0;
     //leave 2 rows margin at top
     var rowY:Number = _rowHeight * 2;
     for (var i = 0; i < columns.length; i++)
          //define xPos by adding the tbWidth of the last loop
          xPos = xPos + tbWidth;
          var column:DataGridColumn = targetDG.getColumnAt(i);
//get width of this column
          tbWidth = column.width;
          //add textField
          printClip.createTextField("header_" + i , printClip.getNextHighestDepth(), xPos, rowY,tbWidth, _rowHeight);
          var thisTb:TextField = printClip["header_" + i];
          //thisTb.setNewTextFormat(headerFormat);
          thisTb.defaultTextFormat = headerFormat;
          thisTb.border = true;
          thisTb.borderColor = 0xCCCCCC;
          thisTb.background = true;
          thisTb.backgroundColor = 0xD5EAFF;
          thisTb.text = column.headerText;
I got this AS2 code and I tried to convent it into AS3 but I have this error..
1046: Type was not found or was not a compile-time constant: DataGridColumn.
I have bold the line that causes this error. Anyone knows the solution for this error?

Dynamic DataGrid + slow horizontal scrolling

Can anyone explain why my datagrid horizontal scrolling is so
slow:
Demo
www.smithkjaer.dk/flex/TestComp.htm
Source
www.smithkjaer.dk/flex/srcview/index.html
Depending on your connection it can take a few seconds to
start due to a large number of columns being generated dynamically
out from the xml source.
Note: If I disable the datagrids scrolling and scroll it in a
canvas there is no performance problem when scrolling, except i
miss my column header labels when vertical scrolling is used.
If I disable my dataProvider and build the dataGrid without
adding data it also scrolls fast

I have now filed this as a bug which has been confirmed,
which you can read about here :
http://bugs.adobe.com/jira/browse/SDK-14361
Please vote for this bug to be fixed

DataGrid, selecting, highlighting, navigating to a row

In Flash MX 2004
I would like to have a row selected after the DataGrid has
been populated.
Much like a list box <select> in html, I would like to
make one row
"selected". It must be navigated to and highlighted to
visually indicate the
selection.
However, the focusedCell property does not work when
dg.editable=false
So, I set the dg.editable=true, set the focusedCell to the
appropriate row
and cell then set the dg.editable=false. But this left the
chosen cell in an
editable (textbox) state that you would have to click out of
in order to see
all the contents of that cell. Ugly.
With the fine suggestion of DMennenoh, I used the
.selectedIndex property to
choose the selected row, but, although the item is in fact
selected, the
datagrid does not navigate to the selected field. It stays on
the first row.
You must scroll through the list to see the selected row.
Is there a way to progarmmatically choose and navigate to a
row in a
DataGrid without this effect?
Julian

myDG.setSelected(0)
"stjulian" <[email protected]> wrote
in message
news:e7pnao$ilo$[email protected]..
> In Flash MX 2004
>
> I would like to have a row selected after the DataGrid
has been populated.
> Much like a list box <select> in html, I would
like to make one row
> "selected". It must be navigated to and highlighted to
visually indicate
> the
> selection.
>
> However, the focusedCell property does not work when
dg.editable=false
>
> So, I set the dg.editable=true, set the focusedCell to
the appropriate row
> and cell then set the dg.editable=false. But this left
the chosen cell in
> an
> editable (textbox) state that you would have to click
out of in order to
> see
> all the contents of that cell. Ugly.
>
> With the fine suggestion of DMennenoh, I used the
.selectedIndex property
> to
> choose the selected row, but, although the item is in
fact selected, the
> datagrid does not navigate to the selected field. It
stays on the first
> row.
> You must scroll through the list to see the selected
row.
>
> Is there a way to progarmmatically choose and navigate
to a row in a
> DataGrid without this effect?
>
>
> Julian
>
>

Datagrid disappering on clicking while using popup button

Hi,
I have a popup button, which on opening presents a datagrid
control. i can scroll through the datagrid.
Problem is that if i accidentally click on the datagrid, the
datagrid disappears back under the pop up button. Is there a way i
can have it stop doing this and allow me to click through items in
the datagrid without closing.
I wanted the datagrid to close when an item is double
clicked, so i had the double click property of the datagrid enabled
but the problem again was if i had a single click on the datagrid
it would close :(
any suggetions?
many thanks,
abhi

Manoj,
I have tried out a prototype for this one. It seems to work but involves an extra button that user has to click.
When the user selects the value from the combo box,instead of pushing the value to its destination, collect it in a cell say B2.
use a toggle button from the components. when u click on ON in toggle button it pushes a 1 to the destination specified say C1.
The destination cell where the combo box is feeding the selection has a formula like this E1=IF(C1=1,B2,D1). Note that D1 is a cell which populates blank value to ur combo box destination. it has the formula =""
with the above set up: the user selects the value in the combo box and then clicks on the toggle button only then the value from combo box is placed at the combo box destination(E1).
But the problem with the above set up is that the toggle button remains in the ON status once selected, pushing further selection in the destination with out the involvement of the toggle button.
To overcome this pull in a RESET button clicking which it resets the status of the toggle to OFF again. this is the extra button I was referring to.
Hope it helps!
Thanks,
Karthik

Accordion inside flex datagrid

Trying to put an accordion inside a datagrid where the header has typical datagrid functionality on each set of columns. Each accordion has a seperate dataset inside. Is thi possible using rendering or will I have to build custom set of functions to have it behave like a datagrid with colun sorting, dragging, etc.

Basically I am looking to have one main header that controls six accordions, each with data from the same souce but filtered dynamically. The main header should still be able to be sorted and arrangable like a typical datagrid based on what accordion panel is currently open. I can provide a mock-up of what i want it to look like if this still is not clear. Its basically one datagrid header that can control 6 seperate datagrids(without headers) while being inside of an open accordion.

How do I get itemDoubleClick event in spark DataGrid ???

Hello Everyone,
Recently I am working with Spark DataGrid.
Before I was using AdvancedDataGrid. In that I was capturing itemDoubleClick event.
But I am not able to find such a event in SparkdataGrid.
So I want to capture double click event on single row of DataGrid.
Some people told that, I have to use my custom ItemRenderer to do that.
But is there any way to capture itemDoubleClick event in Spark DataGrid without creating custom ItemRenderer ???

You are correct. I looked a the code and the comment says it dispatches a double click if the 2nd click is within the DOUBLE_CLICK_TIME even if the first click was on another cell.
This code figures out if the double-click is a true double-click.
<?xml version="1.0" encoding="utf-8"?>
<s:Application
    xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:s="library://ns.adobe.com/flex/spark">
    <fx:Script>
        <![CDATA[
            import spark.events.GridEvent;
            private var lastColumnIndex:int = -1;
            private var lastRowIndex:int = -1;
            // set this to change the double click time
            //mx_internal::event.grid.DOUBLE_CLICK_TIME = 480; // ms
            protected function dataGrid_gridClickHandler(event:GridEvent):void
                trace("click on this cell", event.rowIndex, event.columnIndex);
                lastRowIndex = event.rowIndex;
                lastColumnIndex = event.columnIndex;
            protected function dataGrid_gridDoubleClickHandler(event:GridEvent):void
               if (event.rowIndex == lastRowIndex && event.columnIndex == lastColumnIndex)
                   trace("a real double click on this cell", event.rowIndex, event.columnIndex);
               else
                   trace("this is a gridClick on another cell", event.rowIndex, event.columnIndex);
               lastRowIndex = event.rowIndex;
               lastColumnIndex = event.columnIndex;
        ]]>
    </fx:Script>
        <s:DataGrid id="dataGrid" requestedRowCount="5" verticalCenter="0" horizontalCenter="0"
                     doubleClickEnabled="true"
                      gridClick="dataGrid_gridClickHandler(event)"
                      gridDoubleClick="dataGrid_gridDoubleClickHandler(event)">
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                <s:DataItem key="1000" name="Abrasive" price="100.11" call="false"/>
                <s:DataItem key="1001" name="Brush" price="110.01" call="true"/>
                <s:DataItem key="1002" name="Clamp" price="120.02" call="false"/>
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                <s:DataItem key="1004" name="Epoxy" price="140.04" call="false"/>
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                <s:DataItem key="1006" name="Gouge" price="160.06" call="false"/>
                <s:DataItem key="1007" name="Hook" price="170.07" call="true"/>
                <s:DataItem key="1008" name="Ink" price="180.08" call="false"/>
                <s:DataItem key="1009" name="Jack" price="190.09" call="true"/>
            </s:ArrayCollection>
        </s:DataGrid>
</s:Application>

Datagrid without cahe?

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