Postback Issue w/DataGrid Paging & Sorting

Has anyone been able to resolve the postback issues while working with a Datagrid that has sorting and paging? I am using the .NET web controls however, either they do not work on Datagrid controls or there is something else missing in my setup.
Paul

For setup I believe the only thing needed is:
which does help with the postback. If this isn't there I believe the default .Net postback is used which will not display back to the portlet but it will to a new browser window.
<httpModules>  <add type="Com.Plumtree.Remote.Loader.TransformerProxy, Plumtree.WCLoader, Version=2.0.0.0, Culture=neutral, PublicKeyToken=d0e882dd51ca12c5" name="PTWCFilterHttpModule" /> </httpModules>
------- Paul Fox wrote on 2/17/05 12:31 PM -------Has anyone been able to resolve the postback issues while working with a Datagrid that has sorting and paging? I am using the .NET web controls however, either they do not work on Datagrid controls or there is something else missing in my setup.
Paul

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DataGrid paging, how do I override sorting behavior?

I've got a large dataset and I'm showing pieces of it at a
time in a DataGrid. When the user clicks a heading in the grid to
sort the data, I don't want the DataGrid to sort it. Instead, it
needs to reload the data from the server and tell the server how to
sort it. How might I go about overriding the default behavior for
heading clicks? If only there was some sort event for the
grid…

There's a protected method of the DataGrid placeSortArrow()
that "draws the sort arrow graphic on the column that is the
current sort key." Is there a way to tell the DataGrid which column
is the current sort key from my headerRelease event handler? Then
would I have to call the placeSortArrow method somehow? It's a
protected method, so could I call it if I extended the DataGrid and
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[svn:fx-trunk] 12814: Addressing focus issue in DataGrid introduced by a recent fix.

Revision: 12814
Revision: 12814
Author:   [email protected]
Date:     2009-12-10 15:18:25 -0800 (Thu, 10 Dec 2009)
Log Message:
Addressing focus issue in DataGrid introduced by a recent fix.
QE notes: None
Doc notes: None
Bugs: SDK-24665
Reviewer: Alex
Tests run: Checkin
Is noteworthy for integration: No
Ticket Links:
    http://bugs.adobe.com/jira/browse/SDK-24665
Modified Paths:
    flex/sdk/trunk/frameworks/projects/framework/src/mx/controls/DataGrid.as

Revision: 12814
Revision: 12814
Author:   [email protected]
Date:     2009-12-10 15:18:25 -0800 (Thu, 10 Dec 2009)
Log Message:
Addressing focus issue in DataGrid introduced by a recent fix.
QE notes: None
Doc notes: None
Bugs: SDK-24665
Reviewer: Alex
Tests run: Checkin
Is noteworthy for integration: No
Ticket Links:
    http://bugs.adobe.com/jira/browse/SDK-24665
Modified Paths:
    flex/sdk/trunk/frameworks/projects/framework/src/mx/controls/DataGrid.as

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Help!

Well, the issue was a little different than I suspected.
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Available - 3377056 Kb
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Hi
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Hi
Thanks for replying
This is what the debugger says:
TypeError: Error #1010: A term is undefined and has no properties.
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    at mx.controls.dataGridClasses::DataGridBase/updateDisplayList()[C:\autobuild\3.2.0\framewor ks\projects\framework\src\mx\controls\dataGridClasses\DataGridBase.as:581]
    at mx.controls::DataGrid/updateDisplayList()[C:\autobuild\3.2.0\frameworks\projects\framewor k\src\mx\controls\DataGrid.as:1437]
    at mx.controls.listClasses::ListBase/validateDisplayList()[C:\autobuild\3.2.0\frameworks\pro jects\framework\src\mx\controls\listClasses\ListBase.as:3280]
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    at Function/http://adobe.com/AS3/2006/builtin::apply()
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For instance, after the page with the flash module loads, and I click on a column, I get the error. This is quite random, sometimes I need a couple of tries to get the error...
If you require more information about it I will try to provide.
Thank you
Vlad

Can we call the Datagrid Column Sort function?

Is it possible to call the same function within the datagrid
component that is used when we do an onClick event of the column
headers? When you click on the column header, it will sort the
column ascending or descending.
I would like to call that same process after the datagrid is
loaded, programmatically. But the same as if the user had clicked
the column.
I have looked at examples in the help that sort the
dataprovider array. But if we are able to do this at runtime with a
user clicking on the column, it seems that it should be possible
since the datagrid is doing a sort on the internal dataprovider
object for the datagrid.
If it is not available now, this functionality should be
added.
Thanks.

Yes, you can do what you want by setting the data provider's
"sort" property
to be an instance of class Sort, and putting one or more
SortFields inside the
Sort.
If you put just a single SortField inside the Sort, then the
header field will
have the up/down triangle indicating the results of the sort,
just as if the
user had clicked on the column. If you put two or more
SortFields inside the
Sort, then there won't be a triangle, because of course it
wouldn't make sense
to put on there.
Here is a small sample:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml">
<mx:Array id="mydata">
<mx:Object col1="b" col2="p" col3="z" />
<mx:Object col1="c" col2="r" col3="y" />
<mx:Object col1="b" col2="q" col3="x" />
<mx:Object col1="a" col2="q" col3="x" />
<mx:Object col1="d" col2="q" col3="x" />
<mx:Object col1="c" col2="q" col3="x" />
</mx:Array>
<mx:ArrayCollection id="mycollection"
source="{mydata}">
<mx:sort>
<mx:Sort>
<mx:fields>

<mx:SortField name="col2" />
<mx:SortField name="col1" />
</mx:fields>
</mx:Sort>
</mx:sort>
</mx:ArrayCollection>
<mx:DataGrid id="dg" height="474"
dataProvider="{mycollection}" >
<mx:columns>
<mx:DataGridColumn headerText="Column 1"
dataField="col1"/>
<mx:DataGridColumn headerText="Column 2"
dataField="col2"/>
<mx:DataGridColumn headerText="Column 3"
dataField="col3"/>
</mx:columns>
</mx:DataGrid>
</mx:Application>
Mike Morearty
Developer, Flex Builder team
http://www.morearty.com/blog

Flex datagrid french sorting

Hi,
I am using flex datagrid to develop an application in french,
as french is having special character in it,
i need to sort datagrid column in french. Flex datagrid
unable to sort data in french. i need french sorting,
if somebody has solution of this please help me to get out of
this.
If possible please reply me on
[email protected]

i am using inbuilt flex sorting, i am not using sortcompare()
function.
its just a string sorting but as its in french ,character
"
É" is comig after character "
V" , because flex treated it as a special character
. it should come before "
V". so do we need to change character set for
flex?

Issue using Range Paging Incr in VO performance tuning

Hi All,
I have a View Object, where I have given the following tuning conditions
1. All rows option with Batch Size - 250 (As Needed)
2. Query Optimizer - FIRST_ROWS_250
3. Access Mode Range Paging Incremental with Range Size - 50 and cache factor - 5
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*<OracleSQLBuilderImpl> <bindRangePagingParams> [36909] setting rownum query between (1200, 1453)*
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*     at oracle.jbo.common.Diagnostic.ASSERT(Diagnostic.java:302)*
*     at oracle.jbo.common.Diagnostic.ASSERT(Diagnostic.java:325)*
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     at oracle.jbo.server.ViewRowSetIteratorImpl.setRangeStartWithRefresh(ViewRowSetIteratorImpl.java:2729)
     at oracle.jbo.server.ViewRowSetIteratorImpl.setRangeStart(ViewRowSetIteratorImpl.java:2714)
     at oracle.jbo.server.ViewRowSetImpl.setRangeStart(ViewRowSetImpl.java:2924)
     at oracle.jbo.server.ViewObjectImpl.setRangeStart(ViewObjectImpl.java:10099)
     at oracle.adf.model.binding.DCIteratorBinding.setRangeStart(DCIteratorBinding.java:3419)
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     at oracle.adfinternal.view.faces.renderkit.rich.TreeRendererUtils.computeCurrentContainerRowCount(TreeRendererUtils.java:2070)
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Additional Info:
1. In VOIterator in Page def file I have given Range Size as 50 and in table fetchSize="#{bindings.MscOrdersVO11.rangeSize}"
2. I ran the sql from VO in DB and found the row count to be 1264.
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Ragu

Hi Timo,
Jdev Version - 11.1.1.4.0
Also I tried using Range Paging and I am getting Missing IN or OUT parameter at index:: 9 issue. But the other issue
"oracle.jbo.common.JboAssert: (Assertion Failed) mSize < 0 after range page adjustment of mSize" did not appear.
IQ WHERE ROWNUM < :Bind_RangePage_High) WHERE Z_R_N > :Bind_RangePage_Low) "
*<ViewObjectImpl> <getQueryHitCount> [35841] Bind params for ViewObject.getQueryHitCount: MscOrdersVO1*
*<ViewRowSetImpl> <doSetWhereClauseParam> [35842] MscOrdersVO1 ViewRowSetImpl.doSetWhereClause(-1, vPlanId, 15320)*
*<ViewRowSetImpl> <doSetWhereClauseParam> [35843] MscOrdersVO1 ViewRowSetImpl.doSetWhereClause(-1, vPlanId1, null)*
*<ViewRowSetImpl> <doSetWhereClauseParam> [35844] MscOrdersVO1 ViewRowSetImpl.doSetWhereClause(-1, vBasePlanId, 15320)*
*<ViewRowSetImpl> <doSetWhereClauseParam> [35845] MscOrdersVO1 ViewRowSetImpl.doSetWhereClause(-1, vBasePlanId1, 0)*
*<OracleSQLBuilderImpl> <bindParamValue> [35846] Binding param "vPlanId": 15320*
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*<OracleSQLBuilderImpl> <bindParamValue> [35848] Binding param "vBasePlanId": 15320*
*<OracleSQLBuilderImpl> <bindParamValue> [35849] Binding param "vBasePlanId1": 0*
*<ViewObjectImpl> <getQueryHitCount> [35850] ViewObjectImpl.getQueryHitCount failed...*
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*     at oracle.jdbc.driver.OraclePreparedStatement.processCompletedBindRow(OraclePreparedStatement.java:1821)*
     at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3576)
     at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:3625)
     at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeQuery(OraclePreparedStatementWrapper.java:1491)
     at weblogic.jdbc.wrapper.PreparedStatement.executeQuery(PreparedStatement.java:135)
     at oracle.jbo.server.ViewObjectImpl.getQueryHitCount(ViewObjectImpl.java:4523)
     at oracle.jbo.server.ViewObjectImpl.getQueryHitCount(ViewObjectImpl.java:4437)
Thanks,
Ragu
Edited by: 867250 on Jul 26, 2012 5:58 AM
Edited by: 867250 on Jul 26, 2012 5:58 AM

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