The following example shows how you can set the roll over color and selection color in a DataGrid control in Flex by setting the rollOverColor and selectionColor styles.
Full code after the jump.
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/02/17/setting-the-roll-over-color-and-selection-color-in-a-flex-datagrid-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:Array id="arr">
<mx:Object c1="Item 1A" c2="Item 1B" />
<mx:Object c1="Item 2A" c2="Item 2B" />
<mx:Object c1="Item 3A" c2="Item 3B" />
<mx:Object c1="Item 4A" c2="Item 4B" />
<mx:Object c1="Item 5A" c2="Item 5B" />
<mx:Object c1="Item 6A" c2="Item 6B" />
<mx:Object c1="Item 7A" c2="Item 7B" />
<mx:Object c1="Item 8A" c2="Item 8B" />
<mx:Object c1="Item 9A" c2="Item 9B" />
</mx:Array>
<mx:DataGrid id="dataGrid"
dataProvider="{arr}"
rollOverColor="haloSilver"
selectionColor="haloOrange"
themeColor="black"
width="300"
rowCount="8">
<mx:columns>
<mx:DataGridColumn dataField="c1"
headerText="Column 1:" />
<mx:DataGridColumn dataField="c2"
headerText="Column 2:" />
</mx:columns>
</mx:DataGrid>
</mx:Application>
View source is enabled in the following example.





Thanks for this example…..It is simple which is useful for begineer like me ….