Bug 129886 Delect a column contain the marge row which contain some item, Error message pop up
Details: Delect a column contain the marge row which contain some item, Error message pop up Setp: 1.New a library and add a 3*3 grid 2.Insert a label in cell(1,1) 3.Marge the cell of (1,1) and (1,2) 4.Delete column 1. Actual result: An error message pop up
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/TableEditPart.java
PropertyEvent event = (PropertyEvent) ev;
				if ( event.getPropertyName( ).startsWith( "border" ) )
				{
					refreshVisuals( );
				}
				if ( event.getPropertyName( ).equals( StyleHandle.PADDING_TOP_PROP )
						|| event.getPropertyName( )
								.equals( StyleHandle.PADDING_BOTTOM_PROP )
						|| event.getPropertyName( )
								.equals( StyleHandle.PADDING_LEFT_PROP )
						|| event.getPropertyName( )
								.equals( StyleHandle.PADDING_RIGHT_PROP ) )
				{
					invalidParent( );
				}
				if ( event.getPropertyName( ).equals( ReportItemHandle.WIDTH_PROP )
						|| event.getPropertyName( )
								.equals( ReportItemHandle.HEIGHT_PROP ) )
				{
					invalidParent( );
				}
				refresh( );
				break;
			}
			case NotificationEvent.ELEMENT_DELETE_EVENT :
			case NotificationEvent.LAYOUT_CHANGED_EVENT :
			{
				markDirty( true );
				refresh( );
				break;