Datagrid and combobox
Hi all,
I have two issues...
First is that my combobox in datagrid is not populating...
Here is the code:
private function openWindow():void
var testWindow:TitleWindow = new TitleWindow();
testWindow=TitleWindow(PopUpManager.createPopUp(this, test, true));
testWindow["Id"]=testDG.selectedItem.ID;
private function handle_returnTestAC(e:ResultEvent):void
testArray=ArrayCollection(e.result);
<mx:DataGrid
toolTip="Click for Description" id="testDG" dataProvider="{testAC}" doubleClickEnabled="true" eventClick="openWindow()">
<mx:columns>
<mx:DataGridColumn dataField="ID" headerText="ID" />
<mx:DataGridColumn dataField="Michigan_Produce" headerText="Michigan Produce" />
<mx:DataGridColumn headerText="Type" dataField="TypeName"> <mx:itemRenderer>
<mx:Component>
<mx:ComboBox prompt="Type" dataProvider="(testArray)" labelField="TypeName"/>
</mx:Component>
</mx:itemRenderer>
</mx:DataGridColumn>
</mx:columns>
</mx:DataGrid>
If i call this combobox outside the Datagrid it works:
<mx:ComboBox id="cmb" dataProvider="{testAC}" labelField="TypeName" prompt="Type"/>
2. Problem is that how do I make "Type" DataGridColumn not double click enabled. as when I make a selection in the combobox it does not open the pop up...
I'll really appreciate any help... thanks...
1. Try dataProvider="{outerDocument.tesArray}"
2. I didn't understand the question
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U need to have a combo box renderer something like:
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How to delete a selected row from datagrid and how to create a datagrid popup
hi friends,
I am new to flex.i am doing a flex4 application,i need help for this.
i am having a data grid with columns.i have two questions.
Ques 1: when i selected a partiuclar row from a datagrid and click delete button means that record will delete from the datagrid and DTO from the cloud tables also.
Ques 2: when i save the data grid values using save button means that data will store in respective cloud DTO which is related to the datagrid,
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1. We need a way to know the selection on all rows.
2. We need the association of the checkBox with the data
The solution is to use a arrayCollection/array that holds all the instances created for checkbox.This collection should be a property of component containing the datagrid. We need to use a custom component implementation or inline ItemRenderer. The way you have used is called dropinItemRenderer. Preferaly use custom component implementation and add the instance to the arrayCollection at CreationComplete. Make sure you use addItemAt so that you add the instance in the same row as the data. To get rowIndex the custom Checkbox should implement IDropInListItemRenderer. You could iterate this collection to check all the instances that are checked.
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Nishant -
How to delete a Selected row from datagrid and how to create a datagrid popup with saved values
hi friends,
I am new to flex.i am doing a flex4 application,i need help for this.
i am having a data grid with columns.i have two questions.
Ques 1: when i selected a partiuclar row from a datagrid and click delete button means that record will delete from the datagrid and DTO from the cloud tables also.
Ques 2: when i save the data grid values using save button means that data will store in respective cloud DTO which is related to the datagrid,
My requirement is i am using a search button when i click the search button it will show a datagrid that datagrid will contain the previous datagrid datas which is saved in the cloud.
REQUIREMENT example: first screen: i am using with data grid 3 columns (Student Roll number ,Student Name,Student pecentage)---->save--->data will store in cloud DTO.
Second screen: search button ----> it need show datagrid popup.it will have data which we saved in the first screen with same columns(Student Roll number ,Student Name,Student pecentage).
This is my requirement.
Any suggession welcome.
Thanks in advance.
B.VenkatesanLets break the problem statement in multiple steps
1. We need a way to know the selection on all rows.
2. We need the association of the checkBox with the data
The solution is to use a arrayCollection/array that holds all the instances created for checkbox.This collection should be a property of component containing the datagrid. We need to use a custom component implementation or inline ItemRenderer. The way you have used is called dropinItemRenderer. Preferaly use custom component implementation and add the instance to the arrayCollection at CreationComplete. Make sure you use addItemAt so that you add the instance in the same row as the data. To get rowIndex the custom Checkbox should implement IDropInListItemRenderer. You could iterate this collection to check all the instances that are checked.
Note: This is the approach considering your dataprovider doesnt have a selection field.
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import fl.controls.DataGrid;
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Edited by: tjannotta on Feb 17, 2009 9:37 AM -
Revision: 10209
Author: [email protected]
Date: 2009-09-12 17:36:41 -0700 (Sat, 12 Sep 2009)
Log Message:
reverting commit 10198, which affected animation for some halo components like Tree and ComboBox. Should wait for either the real fix (involves RPC changes) or at least a fix that limits the scope to only Flex4 effects instead of all uses of UIComponent.suspendBackgroundProcessing.
Modified Paths:
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The most rudimentary way is something like this: Say you had a ShoppingCart
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class ShoppingCartRecord
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public var original:ShippingCartRecord;
public function get catalogID():int
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private var _displayName:String;
public function get displayName():String
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what is the difference between LISTBOX and COMBOBOX?
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REWARSD IFM USEFULK -
Tab not working properly for Datagrid ItemEditor ComboBox
When you run the app type a1 in the find an App combo box then hit the tab key.
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Hit the backspace key and hit enter. Notice that the null is saved and nothing is selected.
Type a3 again and hit enter.
Hit the backspce again but this time hit the tab key. Notice the previous value is back. ooops.
{Code}
<?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"
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:vo="valueObjects.*"
width="100%" height="100%">
<fx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.events.FlexEvent;
protected function aCBLabel(item:Object):String
if (item != null)
return item.name;
else
return "";
protected function bDG_creationCompleteHandler(event:FlexEvent):void
bDG.selectedIndex = 0;
protected function bAFormat(item:Object, column:DataGridColumn):String
if (item [column.dataField] != null)
return item [column.dataField].name;
else
return "";
]]>
</fx:Script>
<fx:Declarations>
<vo:ADto id="aDto"/>
<vo:BDto id="bDto"/>
<s:ArrayCollection id="aList">
<vo:ADto>
<vo:id>1</vo:id>
<vo:name>a1</vo:name>
<vo:bs>
<vo:BDto>
<vo:id>1</vo:id>
<vo:aDto>
<vo:ADto>
<vo:id>1</vo:id>
<vo:name>a1</vo:name>
</vo:ADto>
</vo:aDto>
</vo:BDto>
<vo:BDto>
<vo:id>2</vo:id>
<vo:aDto>
<vo:ADto>
<vo:id>2</vo:id>
<vo:name>a2</vo:name>
</vo:ADto>
</vo:aDto>
</vo:BDto>
<vo:BDto>
<vo:id>0</vo:id>
</vo:BDto>
</vo:bs>
</vo:ADto>
<vo:ADto>
<vo:id>2</vo:id>
<vo:name>a2</vo:name>
<vo:bs>
<vo:BDto>
<vo:id>3</vo:id>
<vo:aDto>
<vo:ADto>
<vo:id>3</vo:id>
<vo:name>a3</vo:name>
</vo:ADto>
</vo:aDto>
</vo:BDto>
<vo:BDto>
<vo:id>0</vo:id>
</vo:BDto>
</vo:bs>
</vo:ADto>
</s:ArrayCollection>
<s:ArrayCollection id="bAList">
<vo:ADto>
<vo:id>1</vo:id>
<vo:name>a1</vo:name>
</vo:ADto>
<vo:ADto>
<vo:id>2</vo:id>
<vo:name>a2</vo:name>
</vo:ADto>
<vo:ADto>
<vo:id>3</vo:id>
<vo:name>a3</vo:name>
</vo:ADto>
</s:ArrayCollection>
</fx:Declarations>
<fx:Binding source="aCB.selectedItem as ADto" destination="aDto"/>
<s:Form id="AForm" width="700" height="170">
<s:layout>
<s:BasicLayout/>
</s:layout>
<s:HGroup x="0" y="50" width="670" height="60">
<s:Label height="25" fontWeight="bold" text="Find an A" verticalAlign="middle"/>
<s:ComboBox id='aCB'
prompt="Enter or Select an A Name"
labelFunction="aCBLabel"
x="110" y="10" width="375">
<mx:ArrayCollection id="asList" list="{aList}"/>
</s:ComboBox>
</s:HGroup>
</s:Form>
<mx:DataGrid id="bDG" x="10" y="140" width="450" height="200"
editable="true"
dataProvider="{aDto.bs}"
creationComplete="bDG_creationCompleteHandler(event)">
<mx:columns>
<mx:DataGridColumn id="bidDC"
headerText="id"
editable="true"
dataField="id"
editorDataField="value"
width="50"/>
<mx:DataGridColumn id="bNameDC"
headerText="As Bs"
editable="true"
dataField="aDto"
labelFunction="bAFormat"
editorDataField="value"
width="150">
<mx:itemEditor>
<fx:Component>
<s:MXDataGridItemRenderer implements="mx.managers.IFocusManagerComponent">
<fx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.controls.dataGridClasses.DataGridListData;
import mx.controls.listClasses.BaseListData;
import mx.events.FlexEvent;
import spark.events.DropDownEvent;
import spark.events.IndexChangeEvent;
[Bindable]
public var bAs:ArrayCollection;
protected function cb_InitializeHandler(event:FlexEvent):void
bAs = outerDocument.bAList;
aDto = outerDocument.bDG.selectedItem.aDto;
if (aDto != null)
var t:ADto;
for (var i:int = 0; i<bAs.length; i++)
t = bAs[i];
if (aDto.id == t.id)
cb.selectedIndex = i;
break;
override public function setFocus():void
cb.setFocus();
public function get value():ADto
if (cb.isDropDownOpen)
cb.closeDropDown(true);
cb.validateNow();
aDto = cb.selectedItem as ADto;
return aDto
protected function cb_closeHandler(event:DropDownEvent):void
aDto = cb.selectedItem as ADto;
]]>
</fx:Script>
<fx:Declarations>
<vo:ADto id="aDto"/>
<!-- Place non-visual elements (e.g., services, value objects) here -->
</fx:Declarations>
<s:ComboBox id="cb"
width = "100%"
prompt="{aDto.name}"
dataProvider="{bAs}"
labelField="name"
initialize="cb_InitializeHandler(event)"
close="cb_closeHandler(event)">
</s:ComboBox>
</s:MXDataGridItemRenderer>
</fx:Component>
</mx:itemEditor>
</mx:DataGridColumn>
</mx:columns>
</mx:DataGrid>
</s:Application>
{Code}
{Code}
package valueObjects
import com.adobe.fiber.services.IFiberManagingService;
import com.adobe.fiber.valueobjects.IValueObject;
import mx.collections.ArrayCollection;
import valueObjects.BDto;
import com.adobe.fiber.core.model_internal;
use namespace model_internal;
public class ADto implements com.adobe.fiber.valueobjects.IValueObject
private var _internal_id : int;
private var _internal_name : String;
private var _internal_bs : ArrayCollection;
model_internal var _internal_bs_leaf:valueObjects.BDto;
public function ADto()
public function get id() : int
return _internal_id;
public function get name() : String
return _internal_name;
public function get bs() : ArrayCollection
return _internal_bs;
public function set id(value:int) : void
var oldValue:int = _internal_id;
if (oldValue !== value)
_internal_id = value;
public function set name(value:String) : void
var oldValue:String = _internal_name;
if (oldValue !== value)
_internal_name = value;
public function set bs(value:*) : void
var oldValue:ArrayCollection = _internal_bs;
if (oldValue !== value)
if (value is ArrayCollection)
_internal_bs = value;
else if (value is Array)
_internal_bs = new ArrayCollection(value);
else if (value == null)
_internal_bs = null;
else
throw new Error("value of bs must be a collection");
private var _managingService:com.adobe.fiber.services.IFiberManagingService;
public function set managingService(managingService:com.adobe.fiber.services.IFiberManagi ngService):void
_managingService = managingService;
{Code}
{Code}
package valueObjects
import com.adobe.fiber.core.model_internal;
import com.adobe.fiber.services.IFiberManagingService;
import com.adobe.fiber.valueobjects.IValueObject;
import valueObjects.ADto;
import mx.collections.ArrayCollection;
use namespace model_internal;
public class BDto implements com.adobe.fiber.valueobjects.IValueObject
private var _internal_id : int;
private var _internal_aDto : ADto;
private static var emptyArray:Array = new Array();
public function BDto()
_internal_id = 0;
public function get id() : int
return _internal_id;
public function get aDto() : ADto
return _internal_aDto;
public function set id(value:int) : void
var oldValue:int = _internal_id;
if (oldValue !== value)
_internal_id = value;
public function set aDto(value:ADto) : void
var oldValue:ADto = _internal_aDto;
if (oldValue !== value)
_internal_aDto = value;
private var _managingService:com.adobe.fiber.services.IFiberManagingService;
public function set managingService(managingService:com.adobe.fiber.services.IFiberManagi ngService):void
_managingService = managingService;
{Code}the reason the tab was not working is because it was not changing the selection and just exiting the combo box. So, in the value function add if (cb.textInput.text == "") cb.selectedIndex = -1; This will change the selection as desired and fixes the problem.
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Page1.xaml
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data"
mc:Ignorable="d"
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
d:DesignWidth="640" d:DesignHeight="480"
Title="Page1 Page">
<Grid x:Name="LayoutRoot">
<data:DataGrid Margin="18,0,18,18" VirtualizingStackPanel.VirtualizationMode="Standard" x:Name="dtgTestGrid" ItemsSource="{Binding Mode=TwoWay, Path=TestDataCol}" AutoGenerateColumns="False" >
<data:DataGrid.Columns>
<data:DataGridTemplateColumn Header="Test Combo">
<data:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<ComboBox VirtualizingStackPanel.VirtualizationMode="Standard" Loaded="SetDataForCombo" x:Name="cmbTestCombo" Height="24" Width="120" >
<ComboBox.ItemsPanel>
<ItemsPanelTemplate>
<StackPanel/>
</ItemsPanelTemplate>
</ComboBox.ItemsPanel>
</ComboBox>
</DataTemplate>
</data:DataGridTemplateColumn.CellTemplate>
</data:DataGridTemplateColumn>
</data:DataGrid.Columns>
</data:DataGrid>
</Grid>
</navigation:Page>
Page1.xaml.vb
Imports System.Collections.ObjectModel
Partial Public Class Page1
Inherits Page
Public objTestClassCol As New TestClassCol
Public Sub New()
InitializeComponent()
End Sub
'Executes when the user navigates to this page.
Protected Overrides Sub OnNavigatedTo(ByVal e As System.Windows.Navigation.NavigationEventArgs)
End Sub
Private Sub SetDataForCombo(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs)
For iCount = 1 To 5
CType(sender, System.Windows.Controls.ComboBox).Items.Add("Value" + CStr(iCount))
Next iCount
End Sub
Private Sub Page1_Loaded(ByVal sender As Object, ByVal e As System.Windows.RoutedEventArgs) Handles Me.Loaded
LayoutRoot.DataContext = objTestClassCol
For iCount = 1 To 30
objTestClassCol.TestDataCol.Add(New TestClass)
Next
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End Class
Public Class TestClass
Private strLVTestData As String
Public Property TestData() As String
Get
Return strLVTestData
End Get
Set(ByVal value As String)
strLVTestData = value
End Set
End Property
End Class
Public Class TestClassCol
Private objLVTestData As New ObservableCollection(Of TestClass)
Public Property TestDataCol() As ObservableCollection(Of TestClass)
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End Get
Set(ByVal value As ObservableCollection(Of TestClass))
objLVTestData = value
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Hi all!
I have a problem that i to reach impasse.There fore,Can you help me?
i am writting code for your's form ,This Form have one datagrid to display data.in datagrid ,I used 1 Combobox to select values for ***(nam,nu), Ok button ,cancel button and new button.
1:
I used code for ok button and update button but it only request command ok but not run update when i changes value of column name child ="nguyen van Huynh"
oItem = oForm.Items.Add("1", SAPbouiCOM.BoFormItemTypes.it_BUTTON)
oItem.Left = 700
oItem.Width = 65
oItem.Top = 330
oItem.Height = 19
oItem.AffectsFormMode = True
oBtn = oItem.Specific
oBtn.Caption = "&Ok"
Can you help me rewrite code for update button?
2:
I used 1 Combobox to select values for ***(nam,nu) in datagrid.i dont know to write code for combobox in this case.
Can you help me rewrite code for update button?
<a href="http://imageshack.us">[IMG]http://img522.imageshack.us/img522/363/huynhavr0.png[/IMG]</a>
Thank you !Hello Huynh,
As I mentioned before, the simplest solution for your requirement is UDO, therefore you don't need to rewrite the code of update, people here rarely rewrite the update logic of the form, instead just reuse the default implemenation of update in B1. The only magic is databind in your form. You can use UDO Form Generator in B1DE to create the form for you. Form/DataBind has been done. Then the browse, update function has been done by B1.
Also think about the flexibility of design, what if the employee has more than 5 children.
1. Create your own UDT and UDO instead of UDFs in OHEM, thus you can use UDO, you don't need to do with Add, Update.
Example: your UDT can be like this
AMI_OHEM : U_EmpID (This field works a link to EmpID in OHEM, just forget the UDFs in OHEM)
AMI_HEM1: U_Child, U_DateOB, U_*** (Child Table, a matrix of children, support as many as children, just set the valid values for U_***, then it will be generated as comobox in UDO form by UDO Form Generator, by the way the children grid view will be generated as matrix, not grid in the udo form generator.)
2. Use UDO Form Generater in B1DE to generate the form.
3. Open this UDO form when click the view children button in employee master data form.
This is the right way. Hope it is clear
Kind Regards
-Yatsea -
Tab with Cellrenderer and Combobox
When using Cellrenderer to display a combobox in a datagrid, there is an issue with using Tab. If you tab through the cells, it will cause the combobox to erase. To fix this the column needs to be set to non-editable. Problem with doing this is that then you cannot tab to the cell where the combobox is.
Does anyone know a work-around this?Had you RTFA you would have learnt that JTable uses Renderers in the same way you would use a
rubber stamp... thus each header is NOT a seperate Component, but the same component simply
used to paint it....
Following on from this... you may have now what looks very much like an active combo box, this is
just fooling you. It is merely a ghost of a combo box.. some pixels on the screen, nothing more..
First and foremost, before running around in desperate circles - RTFA
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