Bug 140751 using a grid in a table does not update row value
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
return true;
			}
			
			DesignElementHandle handle = (DesignElementHandle) target.getParent( )
					.getModel( );
			if ( handle instanceof ReportItemHandle
					&& ( (ReportItemHandle) handle ).getDataSet( ) == null )
			{
				return true;
			}
			return DEUtil.getDataSetList( handle )
					.contains( insertObj.getElementHandle( ) );
		}
		return false;
	}
	/**
	 * Validates drop target from scalar parameter in data view.
	 * 
	 * @return validate result
	 */
	protected static boolean handleValidateParameter( EditPart target )
	{
		return handleValidateParameterDropContainer( target )
				&& DNDUtil.handleValidateTargetCanContainType( target.getModel( ),
						ReportDesignConstants.DATA_ITEM );
	}
	/**
	 * Validates drag source from data view to layout. Support the multiple.
	 * 
	 * @return validate result