You’re trynig to set up binding statements to various properties. What if you eliminate all of those binding expressions and let the default behavior run?
On 6/11/10 1:00 PM, "Goutham" <[email protected]> wrote: Hi, any suggestions on this post Thank you, Goutham --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , "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] <mailto:flexcoders%40yahoogroups.com> , > 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> > > <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> > > > <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 > > > -- Alex Harui Flex SDK Team Adobe System, Inc. http://blogs.adobe.com/aharui
