Bug 143126 [Regression]Insert chart into table group header, preview, incorrectly.
Insert chart into table group header, preview, incorrectly. Steps: 1.Insert a table 2.Create a group for the table 3.Insert chart into group header, inherit table's data set 4.preivew Actual Results: 1.Chart datas are incorrectly Expected Results: 1.Chart can be previewed correctly.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ColumnBindingDialog.java
{
				value = handle.getName( );
			}
			else if ( COLUMN_DATATYPE.equals( property ) )
			{
				IChoice type = dataTypeChoiceSet.findChoice( handle.getDataType( ) );
				if ( type != null )
				{
					for ( int i = 0; i < dataTypeDisplayNames.length; i++ )
					{
						if ( dataTypeDisplayNames[i].equals( type.getDisplayName( ) ) )
						{
							return new Integer( i );
						}
					}
				}
				return new Integer( 0 );
			}
			else if ( COLUMN_EXPRESSION.equals( property ) )
			{
				value = handle.getExpression( );
			}
			else if ( COLUMN_AGGREGATEON.equals( property ) )
			{
				value = handle.getAggregrateOn( );;
				if ( value != null )
				{
					for ( int i = 1; i < groups.length; i++ )
					{
						if ( value.equals( groups[i] ) )