DataGrid  - AS3 Flash

import fl.controls.DataGrid;
import fl.controls.ScrollPolicy;
import fl.data.DataProvider;

var i:uint;
var totalRows:uint = 16;
var dp:DataProvider = new DataProvider();
for (i = 0; i < totalRows; i++) {
    dp.addItem({col1:getRandomNumber(), col2:getRandomNumber(), col3:getRandomNumber(), col4:getRandomNumber()});
}

var dg:DataGrid = new DataGrid();
dg.setSize(200, 300);
dg.columns = ["col1", "col2", "col3"];
dg.dataProvider = dp;
addChild(dg);

function getRandomNumber():uint {
    return Math.round(Math.random() * 100);
}

import fl.controls.DataGrid;
import fl.controls.ScrollPolicy;
import fl.data.DataProvider;

var i:uint;
var totalRows:uint = 16;
var dp:DataProvider = new DataProvider();
for (i = 0; i < totalRows; i++) {
    dp.addItem({col1:getRandomNumber(), col2:getRandomNumber(), col3:getRandomNumber(), col4:getRandomNumber()});
}

var dg:DataGrid = new DataGrid();
dg.setSize(200, 300);
dg.columns = ["col1", "col2", "col3"];
dg.dataProvider = dp;
addChild(dg);

trace("columns.length:", dg.columns.length); // 3
trace("getColumnCount():", dg.getColumnCount()); // 3

function getRandomNumber():uint {
    return Math.round(Math.random() * 100);
}

import fl.data.DataProvider;
import fl.controls.*;

var dp:DataProvider = new DataProvider();
var totalEntries:uint = 42;
var i:uint;
for(i=0; i<totalEntries; i++) {
    dp.addItem( {     col1:"CellName",
                    col2:"CellName",
                    col3:"CellName" } );            
}

var dg:DataGrid = new DataGrid();
dg.columns = [ "col1", "col2", "col3" ];
dg.editable = true;
dg.dataProvider = dp;
dg.move(200,10);
dg.setSize(200,300);
addChild(dg);

var rowIntro:Label = new Label();
rowIntro.text = "Row to edit:";
rowIntro.move(10,10);

var colIntro:Label = new Label();
colIntro.text = "Column to edit:";
colIntro.move(10,30);

var rowInputField:TextInput = new TextInput();
rowInputField.move(100,10);
rowInputField.setSize(30,20);

var colInputField:TextInput = new TextInput();
colInputField.move(100,30);
colInputField.setSize(30,20);

var editButton:Button = new Button();
editButton.move(10,60);
editButton.label = "Edit";
editButton.addEventListener(MouseEvent.CLICK,editGrid);

addChild(rowIntro);
addChild(colIntro);
addChild(rowInputField);
addChild(colInputField);
addChild(editButton);

function editGrid(e:MouseEvent):void {
    dg.editedItemPosition = { rowIndex:Number(rowInputField.text), columnIndex:Number(colInputField.text) };
}

import fl.data.DataProvider;
import fl.controls.*;

var dp:DataProvider = new DataProvider();
var totalEntries:uint = 42;
var i:uint;
for(i=0; i<totalEntries; i++) {
    dp.addItem( {     col1:"CellName",
                    col2:"CellName",
                    col3:"CellName" } );            
}

var dg:DataGrid = new DataGrid();
dg.columns = [ "col1", "col2", "col3" ];
dg.editable = true;
dg.dataProvider = dp;
dg.move(200,10);
dg.setSize(200,300);
addChild(dg);

var rowIntro:Label = new Label();
rowIntro.text = "Row to edit:";
rowIntro.move(10,10);

var colIntro:Label = new Label();
colIntro.text = "Column to edit:";
colIntro.move(10,30);

var rowInputField:TextInput = new TextInput();
rowInputField.move(100,10);
rowInputField.setSize(30,20);

var colInputField:TextInput = new TextInput();
colInputField.move(100,30);
colInputField.setSize(30,20);

var editButton:Button = new Button();
editButton.move(10,60);
editButton.label = "Edit";
editButton.addEventListener(MouseEvent.CLICK,editGrid);

addChild(rowIntro);
addChild(colIntro);
addChild(rowInputField);
addChild(colInputField);
addChild(editButton);

function editGrid(e:MouseEvent):void {
    dg.editedItemPosition = { rowIndex:Number(rowInputField.text), columnIndex:Number(colInputField.text) };
}

import fl.controls.DataGrid;
import fl.controls.Slider;
import fl.events.SliderEvent;

var headerHeightSlider:Slider = new Slider();
headerHeightSlider.minimum = 20;
headerHeightSlider.maximum = 40;
headerHeightSlider.snapInterval = 2;
headerHeightSlider.tickInterval = 4;
headerHeightSlider.liveDragging = true;
headerHeightSlider.move(10, 10);
headerHeightSlider.addEventListener(SliderEvent.CHANGE, changeHandler);
addChild(headerHeightSlider);

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.headerHeight = headerHeightSlider.value;
myDataGrid.addColumn("name");
myDataGrid.addColumn("value");
myDataGrid.addItem({name:"Person A", value:0.85});
myDataGrid.addItem({name:"Person B", value:0.87});
myDataGrid.width = 200;
myDataGrid.rowCount = myDataGrid.length;
myDataGrid.move(10, 30);
addChild(myDataGrid);

function changeHandler(event:SliderEvent):void {
    myDataGrid.headerHeight = event.value;
    myDataGrid.rowCount = myDataGrid.length;
}

import fl.controls.DataGrid;
import fl.controls.ScrollPolicy;
import fl.data.DataProvider;

var i:uint;
var totalRows:uint = 42;
var dp:DataProvider = new DataProvider();
for (i = 0; i < totalRows; i++) {
    dp.addItem({col1:getRandomNumber(), col2:getRandomNumber(), col3:getRandomNumber(), col4:getRandomNumber(), col5:getRandomNumber(), col6:getRandomNumber(), col7:getRandomNumber()});
}

var dg:DataGrid = new DataGrid();
dg.setSize(200,300);
dg.addColumn("col1");
dg.addColumn("col2");
dg.addColumn("col3");
dg.addColumn("col4");
dg.addColumn("col5");
dg.addColumn("col6");
dg.addColumn("col7");
dg.dataProvider = dp;
dg.horizontalScrollPolicy = ScrollPolicy.ON;
addChild(dg);

function getRandomNumber():uint {
    return Math.round(Math.random() * 100);
}

import fl.data.DataProvider;
import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridCellEditor;
import fl.controls.listClasses.ListData;
import fl.events.DataGridEvent;

var dp:DataProvider = new DataProvider();
var totalEntries:uint = 42;
var i:uint;
for(i=0; i<totalEntries; i++) {
    dp.addItem( {     col1:"CellName",
                    col2:"CellName",
                    col3:"CellName" } );            
}

var dg:DataGrid = new DataGrid();
dg.addEventListener(DataGridEvent.ITEM_EDIT_END,onItemEditEnd);
dg.dataProvider = dp;
dg.editable = true;
dg.setSize(300,200);
addChild(dg);

function onItemEditEnd(e:DataGridEvent):void {
    var cellEditor:DataGridCellEditor = dg.itemEditorInstance as DataGridCellEditor;
    var listData:ListData = cellEditor.listData;
    trace("After Edit: " + cellEditor.text);
}

import fl.controls.DataGrid;
import fl.controls.ScrollPolicy;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;

var i:uint;
var totalRows:uint = 16;
var dp:DataProvider = new DataProvider();
for (i = 0; i < totalRows; i++) {
    dp.addItem({col1:getRandomNumber(), col2:getRandomNumber(), col3:getRandomNumber(), col4:getRandomNumber()});
}

var c1:DataGridColumn = new DataGridColumn("col1");
c1.sortOptions = Array.NUMERIC;
var c2:DataGridColumn = new DataGridColumn("col2");
c2.sortOptions = Array.NUMERIC;
var c3:DataGridColumn = new DataGridColumn("col3");
c3.sortOptions = Array.NUMERIC;

var dg:DataGrid = new DataGrid();
dg.addColumn(c1);
dg.addColumn(c2);
dg.addColumn(c3);
dg.dataProvider = dp;
dg.labelFunction = currencyFormatter;
dg.move(10, 10);
dg.setSize(200, 300);
addChild(dg);

function getRandomNumber():Number {
    return Math.random() * 100;
}

function currencyFormatter(data:Object, column:DataGridColumn):String {
    return "$" + data[column.dataField].toFixed(2);
}

import fl.controls.DataGrid;
import fl.controls.ScrollPolicy;
import fl.data.DataProvider;

var i:uint;
var totalRows:uint = 42;
var dp:DataProvider = new DataProvider();
for (i = 0; i < totalRows; i++) {
    dp.addItem({col1:getString(), col2:getString(), col3:getString(), col4:getString(), col5:getString(), col6:getString(), col7:getString()});
}

var dg:DataGrid = new DataGrid();
dg.setSize(450,300);
dg.addColumn("col1");
dg.addColumn("col2");
dg.addColumn("col3");
dg.addColumn("col4");
dg.addColumn("col5");
dg.addColumn("col6");
dg.addColumn("col7");
dg.dataProvider = dp;
dg.horizontalScrollPolicy = ScrollPolicy.ON;
dg.minColumnWidth = 185;
addChild(dg);

function getString():String {
    return "This string requires a wide column";
}

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;

var nameCol:DataGridColumn = new DataGridColumn("name");
nameCol.headerText = "NAME:";
nameCol.width = 120;

var valueCol:DataGridColumn = new DataGridColumn("value");
valueCol.headerText = "VALUE:";
valueCol.width = 80;

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(nameCol);
myDataGrid.addColumn(valueCol);
myDataGrid.addItem({name:"Name A", value:"Value A"});
myDataGrid.addItem({name:"Name B", value:"Value B"});
myDataGrid.addItem({name:"Name C", value:"Value C"});
myDataGrid.resizableColumns = false;
myDataGrid.sortableColumns = false;
myDataGrid.width = 200;
myDataGrid.rowCount = myDataGrid.length;
myDataGrid.move(10, 10);
addChild(myDataGrid);

import fl.controls.DataGrid;
import fl.data.DataProvider;

var dp:DataProvider = new DataProvider();
dp.addItem({col1:"item 1.A", col2:"item 1.B", col3:"item 1.C"});
dp.addItem({col1:"item 2.A", col2:"item 2.B", col3:"item 2.C"});
dp.addItem({col1:"item 3.A", col2:"item 3.B", col3:"item 3.C"});
dp.addItem({col1:"item 4.A", col2:"item 4.B", col3:"item 4.C"});

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn("col1");
myDataGrid.addColumn("col2");
myDataGrid.addColumn("col3");
myDataGrid.dataProvider = dp;
myDataGrid.move(10, 10);
myDataGrid.setSize(300, 200);
addChild(myDataGrid);

var fixedHeight:uint = Math.min(myDataGrid.rowCount, myDataGrid.length);
myDataGrid.rowCount = fixedHeight;

trace(myDataGrid.width, myDataGrid.height); // 300 105

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;
import fl.managers.StyleManager;

var dp:DataProvider = new DataProvider();
var totalEntries:uint = 42;
var i:uint;
for(i = 0; i < totalEntries; i++) {
    dp.addItem( { col1:Math.random(), col2:Math.random(), col3:Math.random() } );           
}

var smallText:TextFormat = new TextFormat();
smallText.size = 9;
smallText.font = "Verdana";

var dg:DataGrid = new DataGrid();
dg.columns = ["col1", "col2", "col3"];
dg.rowHeight = 14;
dg.move(10, 10);
dg.setSize(400, 300);
dg.dataProvider = dp;
dg.setStyle("textFormat", smallText);
addChild(dg);

StyleManager.setStyle("textFormat", smallText);

import fl.controls.DataGrid;
import fl.controls.ScrollPolicy;
import fl.data.DataProvider;

var i:uint;
var totalRows:uint = 42;
var dp:DataProvider = new DataProvider();
for (i = 0; i < totalRows; i++) {
    dp.addItem({col1:Math.random(), col2:Math.random()});
}

var dg1:DataGrid = new DataGrid();
dg1.move(10,10);
dg1.setSize(200,300);
dg1.dataProvider = dp;
addChild(dg1);

var dg2:DataGrid = new DataGrid();
dg2.move(250,10);
dg2.setSize(200,300);
dg2.dataProvider = dp;
dg2.showHeaders = false;
addChild(dg2);

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;
import fl.events.DataGridEvent;

var data:XML = <dataProvider>
        <data col1="Person A" col2="11.383" />
        <data col1="Person B" col2="3.399" />
        <data col1="Person C" col2="25.624" />
    </dataProvider>

var dp:DataProvider = new DataProvider(data);

var c1:DataGridColumn = new DataGridColumn("col1");
var c2:DataGridColumn = new DataGridColumn("col2");

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(c1);
myDataGrid.addColumn(c2);
myDataGrid.dataProvider = dp;
myDataGrid.move(10, 10);
myDataGrid.setSize(160, 120);
myDataGrid.sortableColumns = false;
addChild(myDataGrid);

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;
import fl.events.DataGridEvent;

var dataXML:XML = <dataProvider>
        <data col1="Person A" col2="11.383" />
        <data col1="Person B" col2="3.399" />
        <data col1="Person C" col2="25.624" />
    </dataProvider>

var dp:DataProvider = new DataProvider(dataXML);

var c1:DataGridColumn = new DataGridColumn("col1");
var c2:DataGridColumn = new DataGridColumn("col2");
c2.sortOptions = Array.NUMERIC;

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(c1);
myDataGrid.addColumn(c2);
myDataGrid.dataProvider = dp;
myDataGrid.width = 160;
myDataGrid.rowCount = myDataGrid.length;
myDataGrid.move(10, 10);
myDataGrid.addEventListener(DataGridEvent.HEADER_RELEASE, headerReleaseHandler);
addChild(myDataGrid);

function headerReleaseHandler(event:DataGridEvent):void {
    var myDG:DataGrid = event.currentTarget as DataGrid;
    var whichColumn:DataGridColumn = myDG.getColumnAt(event.columnIndex);
    trace("sortDescending:", myDG.sortDescending);
    trace("sortIndex:", myDG.sortIndex);
    trace("dataField:", whichColumn.dataField);
    trace("");
}

import fl.controls.DataGrid;

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn("name");
myDataGrid.addColumn("value");
myDataGrid.addItem({name:"Name 1", value:"Value 1"});
myDataGrid.addItem({name:"Name 2", value:"Value 2"});
myDataGrid.addItem({name:"Name 3", value:"Value 3"});
myDataGrid.width = 200;
myDataGrid.rowCount = myDataGrid.length;
myDataGrid.move(10, 10);
addChild(myDataGrid);

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;

var nameCol:DataGridColumn = new DataGridColumn("name");
var valueCol:DataGridColumn = new DataGridColumn("value");

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(nameCol);
myDataGrid.addColumn(valueCol);
myDataGrid.addItem({name:"Name 1", value:"Value 1"});
myDataGrid.addItem({name:"Name 2", value:"Value 2"});
myDataGrid.addItem({name:"Name 3", value:"Value 3"});
myDataGrid.width = 200;
myDataGrid.rowCount = myDataGrid.length;
myDataGrid.move(10, 10);
addChild(myDataGrid);

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;

var dp:DataProvider = new DataProvider();
dp.addItem( { stateName:"California", stateAbbreviation:"CA" } );
dp.addItem( { stateName:"New York", stateAbbreviation:"NY" } );

var dg:DataGrid = new DataGrid();
var abbreviationColumn:DataGridColumn = dg.addColumn(new DataGridColumn("stateAbbreviation"));                                            
var nameColumn:DataGridColumn = dg.addColumn("stateName");
abbreviationColumn.width = 100;
nameColumn.width = 200;

dg.move(10,10);
dg.width = 300;
dg.rowCount = 2;
dg.dataProvider = dp;
addChild(dg);

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;

var dp:DataProvider = new DataProvider();
dp.addItem( { stateName:"California", stateAbbreviation:"CA" } );
dp.addItem( { stateName:"New York", stateAbbreviation:"NY" } );

var dg:DataGrid = new DataGrid();
var abbreviationColumn:DataGridColumn = dg.addColumn(new DataGridColumn("stateAbbreviation"));                                            
var nameColumn:DataGridColumn = dg.addColumn("stateName");
abbreviationColumn.width = 100;
nameColumn.width = 200;

dg.move(10,10);
dg.width = 300;
dg.rowCount = 2;
dg.dataProvider = dp;
addChild(dg);

import fl.controls.DataGrid;
import fl.controls.ScrollPolicy;
import fl.data.DataProvider;

var i:uint;
var totalRows:uint = 16;
var dp:DataProvider = new DataProvider();
for (i = 0; i < totalRows; i++) {
    dp.addItem({col1:getRandomNumber(), col2:getRandomNumber(), col3:getRandomNumber(), col4:getRandomNumber()});
}

var dg:DataGrid = new DataGrid();
dg.setSize(200, 300);
dg.columns = ["col1", "col2", "col3"];
dg.dataProvider = dp;
addChild(dg);

trace("columns.length:", dg.columns.length); // 3
trace("getColumnCount():", dg.getColumnCount()); // 3

function getRandomNumber():uint {
    return Math.round(Math.random() * 100);
}

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.events.DataGridEvent;

var nameCol:DataGridColumn = new DataGridColumn("name");
var valueCol:DataGridColumn = new DataGridColumn("value");

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(nameCol);
myDataGrid.addColumn(valueCol);
myDataGrid.addItem({name:"Name 1", value:"Value 1"});
myDataGrid.addItem({name:"Name 2", value:"Value 2"});
myDataGrid.addItem({name:"Name 3", value:"Value 3"});
myDataGrid.width = 200;
myDataGrid.rowCount = myDataGrid.length;
myDataGrid.move(10, 10);
myDataGrid.addEventListener(DataGridEvent.COLUMN_STRETCH, columnStretchHandler);
addChild(myDataGrid);

function columnStretchHandler(event:DataGridEvent):void {
    var col:DataGridColumn;
    for each (col in myDataGrid.columns) {
        trace(col.dataField + ":", col.width + "px")
    }
    trace("");
}

import fl.controls.*;
import fl.containers.*;
import fl.controls.listClasses.*;
import fl.controls.dataGridClasses.*;
import fl.controls.progressBarClasses.*;
import fl.core.UIComponent;
import fl.data.DataProvider;

var dp:DataProvider = new DataProvider();
dp.addItem( { label: "BaseScrollPane",    data:BaseScrollPane } );
dp.addItem( { label: "Button",             data:Button } );
dp.addItem( { label: "CellRenderer",    data:CellRenderer } );
dp.addItem( { label: "CheckBox",         data:CheckBox } );
dp.addItem( { label: "ColorPicker",     data:ColorPicker } );
dp.addItem( { label: "ComboBox",         data:ComboBox } );
dp.addItem( { label: "DataGrid",         data:DataGrid } );
dp.addItem( { label: "HeaderRenderer",    data:HeaderRenderer } );
dp.addItem( { label: "ImageCell",        data:ImageCell } );
dp.addItem( { label: "IndeterminateBar",data:IndeterminateBar } );
dp.addItem( { label: "Label",             data:Label } );
dp.addItem( { label: "List",             data:List } );
dp.addItem( { label: "NumericStepper",     data:NumericStepper } );
dp.addItem( { label: "ProgressBar",     data:ProgressBar } );
dp.addItem( { label: "RadioButton",     data:RadioButton } );
dp.addItem( { label: "ScrollPane",         data:ScrollPane } );
dp.addItem( { label: "Slider",             data:Slider } );
dp.addItem( { label: "TextArea",         data:TextArea } );
dp.addItem( { label: "TextInput",         data:TextInput } );
dp.addItem( { label: "TileList",         data:TileList } );
dp.addItem( { label: "UILoader",         data:UILoader } );
dp.addItem( { label: "UIComponent",     data:UIComponent } );

var cb:ComboBox = new ComboBox();
cb.move(10,10);
cb.setSize(300,25);
cb.prompt = "Select a component to view its styles";
cb.rowCount = 12;
cb.dataProvider = dp;
cb.addEventListener(Event.CHANGE, showStyleDefinition);
addChild(cb);

var dg:DataGrid = new DataGrid();
dg.setSize(425,300);
dg.move(10,50);
dg.columns = [ new DataGridColumn("StyleName"), new DataGridColumn("DefaultValue") ];
addChild(dg);

function showStyleDefinition(e:Event):void {
    var componentClass:Class = e.target.selectedItem.data as Class;
    var styles:Object = componentClass["getStyleDefinition"].call(this);
    trace(styles.toString());
    var styleData:DataProvider = new DataProvider();
    for(var i:* in styles) {
        trace(i + " : " + styles[i]);
        styleData.addItem( { StyleName:i, DefaultValue:styles[i] } );
    }
    styleData.sortOn("StyleName");
    dg.dataProvider = styleData;
}

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;
import fl.events.DataGridEvent;

var dp:DataProvider = new DataProvider();
dp.addItem({col1:"item 1.A", col2:"item 1.B", col3:"item 1.C"});
dp.addItem({col1:"item 2.A", col2:"item 2.B", col3:"item 2.C"});
dp.addItem({col1:"item 3.A", col2:"item 3.B", col3:"item 3.C"});
dp.addItem({col1:"item 4.A", col2:"item 4.B", col3:"item 4.C"});

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn("col1");
myDataGrid.addColumn("col2");
myDataGrid.addColumn("col3");
myDataGrid.dataProvider = dp;
myDataGrid.setSize(300, 200);
myDataGrid.move(10, 10);
myDataGrid.addEventListener(DataGridEvent.COLUMN_STRETCH, columnStretchHandler);
addChild(myDataGrid);

function columnStretchHandler(event:DataGridEvent):void {
    var dg:DataGrid = event.target as DataGrid;
    var column:DataGridColumn;
    var columnArray:Array = dg.columns;
    var dgColWidth:String;
    trace("resized column:", event.dataField);
    trace("columnIndex:", event.columnIndex);
    for each (column in columnArray) {
        dgColWidth = Number(column.width / dg.width * 100).toFixed(1);
        trace(column.dataField + ".width:", column.width + " pixels (" + dgColWidth + "%)");
    }
    trace("----------");
}

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;
import fl.events.DataGridEvent;

var dp:DataProvider = new DataProvider();
dp.addItem({col1:"item 1.A", col2:"item 1.B", col3:"item 1.C"});
dp.addItem({col1:"item 2.A", col2:"item 2.B", col3:"item 2.C"});
dp.addItem({col1:"item 3.A", col2:"item 3.B", col3:"item 3.C"});
dp.addItem({col1:"item 4.A", col2:"item 4.B", col3:"item 4.C"});

var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn("col1");
myDataGrid.addColumn("col2");
myDataGrid.addColumn("col3");
myDataGrid.dataProvider = dp;
myDataGrid.setSize(300, 200);
myDataGrid.move(10, 10);
myDataGrid.addEventListener(DataGridEvent.HEADER_RELEASE, headerReleaseHandler);
addChild(myDataGrid);

function headerReleaseHandler(event:DataGridEvent):void {
    var dg:DataGrid = event.target as DataGrid;
    trace("dataField:", event.dataField, "(columnIndex:" + event.columnIndex + ")");
    trace("sortIndex:", dg.sortIndex);
    trace("sortDescending:", dg.sortDescending);
    trace("----------");
}