Bug 136045 the display name does not work
Description: the display name does not work Steps to reproduce: 1. new a datasource and a dataset 2. In the window 'Edit dataset'. click the tab 'Output columns' 3. set a display name on a column Actual result: The display name does not work, however, it is still the column name
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
}
		ResultSetColumnHandle[] columns = (ResultSetColumnHandle[]) columList.toArray( new ResultSetColumnHandle[columList.size( )] );
		TableHandle tableHandle = DesignElementFactory.getInstance( )
				.newTableItem( null, columns.length );
		setInitWidth( tableHandle );
		insertToCell( model,
				tableHandle,
				tableHandle.getHeader( ),
				columns,
				true );
		insertToCell( model,
				tableHandle,
				tableHandle.getDetail( ),
				columns,
				false );
		tableHandle.setDataSet( model );
		return tableHandle;
	}
	/**
	 * Validates object can be inserted to layout. Support the multiple.
	 * 
	 * @param insertObj
	 *            single inserted object or multi-objects
	 * @param targetPart
	 * @return if can be inserted to layout
	 */
	public static boolean handleValidateInsertToLayout( Object insertObj,
			EditPart targetPart )
	{
		if ( targetPart == null )