Bug 316695 Refactor data set editor pages' codes[26568]
Build Identifier: 20100610 Refactor data set editor pages' codes[26568]. Reproducible: Always
UI/org.eclipse.birt.report.designer.ui.data/src/org/eclipse/birt/report/designer/data/ui/dataset/DataSetParametersPage.java
Iterator iter = parameters.iterator( );
				if ( iter != null )
				{
					while ( iter.hasNext( ) && buf.length( ) > 0 )
					{
						DataSetParameterHandle parameter = (DataSetParameterHandle) iter.next( );
						if ( buf.toString( )
								.equalsIgnoreCase( parameter.getName( ) ) )
						{
							buf.setLength( 0 );
						}
					}
				}
			}
		}
		return buf.toString( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.birt.report.designer.ui.dialogs.properties.AbstractPropertyPage
	 * #performCancel()
	 */
	public boolean performCancel( )
	{
		
		( (DataSetHandle) getContainer( ).getModel( ) ).removeListener( this );
		return super.performCancel( );
	}