Hi,

any suggestions on this post

Thank you,
Goutham

--- In [email protected], "Goutham" <goldensu...@...> wrote:
>
> Hi,
> 
> the field specified by the column in dataprovider for the datagrid is same as 
> the item in the dataprovider of the combobox
> 
> heres an example
> 
> dataprovider for datagird
> {name: "sample project", status_type: "progress"}
> dataprovider for combobox
> {"hold","progress", "closed"}
> 
> the column field is status_type (string)
> 
> <datagrid itemEditEnd="editEnd(event)">
>   <columns>
>    <datagridcolumn dataField="name" />
>    <datagridcolumn dataField="status_type">
>      <itemeditor>
>        <component>
>          <box>
>            <combobox id="cbStat" dataProvider="{outerDocument.status}" 
> labelField="status_type" text="{data.status_type}" 
> selectedItem="{data.status_type}" />
>          </box>
>       </component>
>     </itemeditor>
>   </datagridcolumn>
>  </columns>
> </datagrid>
> 
> <script>
>  
> private function editEnd(event:Datagridevent):void
> {
>   var status = 
> event.currentTarget.itemEditorInstance.cbStat.selectedItem.status_type;
>         
> }
> 
> 
> when I use the selectedItem="{data.status_type}", the selected value in the 
> combobox is shown right, but gives an error when I click out of the gird
> 
> If I change the value of the dropdown it gives an error:
> 
> "Property text not found on filename_inlineComponent2 and there is no default 
> value."
> 
> tried debugging and see that these errors occur in the DataGrid.as file line 
> no: 4827
> 
> var newData:Object = 
> itemEditorInstance[_columns[event.columnIndex].editorDataField];
> 
> 
> If I do not change the value of the combobox and click out of the grid, the 
> error:
>  "Cannot access a property or method of a null object reference."
> 
> error at this line in the script
> 
> var status = 
> event.currentTarget.itemEditorInstance.cbStat.selectedItem.status_type;
> 
> the same code works fine, if I don't have a box around the combobox, no 
> issues at all
> 
> is there something I am missing out when using a inner components
> 
> Thank you,
> Goutham
>        
> 
> 
> --- In [email protected], Alex Harui <aharui@> wrote:
> >
> > The default behavior of a ComboBox in a DataGrid is to match the field 
> > specified by the column to an item in the dataProvider.
> > 
> > If the dataProvider for the DataGrid contains:
> > 
> > { firstName: "Alex", lastName: "Harui"}
> > 
> > And the ComboBox dataProvider contains:
> > 
> > [ "Smith", "Harui", "Jones"]
> > 
> > And the column's dataFIeld is "lastName", it should select the second item 
> > for you.  Note that if the field values are not simple types, they may not 
> > match.
> > 
> > It might help to post an example data item for the DataGrid as well as the 
> > ComboBox.
> > 
> > 
> > On 6/7/10 8:51 AM, "Goutham" <goldensuits@> wrote:
> > 
> > 
> > 
> > 
> > 
> > 
> > Hi
> > 
> > I am accessing the combobox with the id through
> > 
> > object.data = event.currentTarget.itemEditorInstance.foo.SelectedItem
> > 
> > it works fine, but the problem I have is, when I click on the combobox in 
> > the gird, it defaults to the first item in the dataprovider for the combobox
> > 
> > <combobox id="foo" dataprovider={dprovider} text="{data.DataField} 
> > labelField="datafield" />
> > 
> > the dprovider has the value cb1,cb2,cb3
> > 
> > when I click on the cell in the datagrid, the combobox is populated with 
> > cb1 irrespective of the value selected.
> > 
> > I have also tried
> > 
> > <combobox id="foo" dataprovider={dprovider} selectedItem = data.DataField} 
> > labelField="datafield" />
> > 
> > this shows a blank combobox when clicked on the cell.
> > 
> > in both the cases it does give a warning
> > "unable to bind to property 'datafield' on class object
> > 
> > any suggestion
> > 
> > Thank you
> > 
> > --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , 
> > "Goutham" <goldensuits@> wrote:
> > >
> > > Hi Alex,
> > >
> > > thank you, I tried it using an id for the combobox, gives me an error
> > > "Access of possibly undefined property foo through a reference with 
> > > static type mx.containers:Grid"
> > >
> > > and there is also another problem, when I click on the column in the 
> > > datagrid, the itemeditor changes to a combobox with the default value to 
> > > be the first one in the dataprovider instead of the selected one
> > >
> > > this didn't happen in the first case (first case I mean with out using 
> > > the grid and gridrow) but here, I get a warning "uable to bind to 
> > > property 'datafield' on class 'object' (class is not an IEventDispatcher)
> > >
> > > any suggestions
> > >
> > > thank you
> > >
> > > --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , 
> > > Alex Harui <aharui@> wrote:
> > > >
> > > > One way is to set an id="foo" on the ComboBox, then use
> > > >
> > > > object.data = 
> > > > ComboBox(Grid(event.currentTarget.itemEditorInstance).foo).text;
> > > >
> > > > On 6/2/10 1:00 PM, "Goutham" <goldensuits@> wrote:
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Hi,
> > > >
> > > > I have a combobox in item editor in a datagrid. the combobox is 
> > > > populated with a dataprovider. All this works fine until I place this 
> > > > combobox inside a gird
> > > >
> > > > working code
> > > > ------------
> > > >
> > > > mxml code
> > > > ---------
> > > >
> > > > <datagridcolumn>
> > > >  <itemeditor>
> > > >  <component>
> > > >  <combobox dataprovider="{outerDocument.data}" ... />
> > > >  </component>
> > > >  </itemeditor>
> > > > </datagridcolumn>
> > > >
> > > > actionscript code
> > > > -----------------
> > > > object.data = ComboBox(event.currentTarget.itemEditorInstance).text;
> > > >
> > > > problematic code
> > > > ---------------
> > > >
> > > > <datagridcolumn>
> > > >  <itemeditor>
> > > >  <component>
> > > >  <grid>
> > > >  <gridrow>
> > > >  <griditem>
> > > >  <combobox dataprovider="{outerDocument.data}" ... />
> > > >  </griditem>
> > > >  </gridrow>
> > > >  </grid>
> > > >  </component>
> > > >  </itemeditor>
> > > > </datagridcolumn>
> > > >
> > > > actionscript code
> > > > -----------------
> > > > object.data = ComboBox(event.currentTarget.itemEditorInstance).text;
> > > >
> > > > error in the action script code:
> > > > ---
> > > > cannot convert _inlinecompone...@3780479 to mx.controls.ComboBox
> > > >
> > > > Here the itemeditorinstance is a grid so, probably its not able to 
> > > > convert to combobox, how do we get the selected value of the combobox 
> > > > from the itemeditor ?
> > > >
> > > > I use the grid, as the rows are of variable height and the combobox 
> > > > looks huge if the height of the row is more
> > > >
> > > > Thank you
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Alex Harui
> > > > Flex SDK Team
> > > > Adobe System, Inc.
> > > > http://blogs.adobe.com/aharui
> > > >
> > >
> > 
> > 
> > 
> > 
> > 
> > 
> > --
> > Alex Harui
> > Flex SDK Team
> > Adobe System, Inc.
> > http://blogs.adobe.com/aharui
> >
>


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