Property is the attribute of the components in flex.
DataGrid has the following property.
columns="From dataProvider" draggableColumns="true|false" editable="false|true" editedItemPosition="null" horizontalScrollPosition="null" etc.
Style is used for modify the appearance of components. There are so many style property used in flex.
iconColor="0x111111" rollOverColor="0xB2E1FF" selectionColor="0x7FCEFF" sortArrowSkin="DataGridSortArrow" etc.
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