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
target,
					targetParent );
		}
		return null;
	}
	/**
	 * Creates a object, "Add" operation to layout needs to handle later.
	 * <p>
	 * Must make sure operation legal before execution.
	 * </p>
	 * 
	 * @param insertObj
	 *            object insert to layout
	 * @param editPart
	 *            target EditPart
	 * @return new object in layout
	 * @throws SemanticException
	 */
	public static DesignElementHandle performInsert( Object insertObj,
			EditPart editPart ) throws SemanticException
	{
		Assert.isNotNull( insertObj );
		Assert.isNotNull( editPart );
		return performInsert( insertObj,
				editPart.getModel( ),
				editPart.getParent( ).getModel( ) );
	}
	/**
	 * Creates multiple objects
	 *