Bug 191685 [regression]Set default value doesn't work in Report Parameter[0705]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
{
				sortDirectionChooser.setText( CHOICE_ASCENDING );
			}
			else
			{
				sortDirectionChooser.setText( CHOICE_DESCENDING );
			}
		}
		else
		{
			sortKeyLabel.setEnabled( true );
			sortKeyChooser.setEnabled( true );
			sortDirectionLabel.setEnabled( false );
			sortDirectionChooser.setEnabled( false );
			distinct.setEnabled( false );
		}
	}
	private void initFormatField( )
	{
		String type = getSelectedDataType( );
		if ( ( DesignChoiceConstants.PARAM_TYPE_DECIMAL.equals( lastControlType ) && DesignChoiceConstants.PARAM_TYPE_FLOAT.equals( type ) )
				|| ( DesignChoiceConstants.PARAM_TYPE_FLOAT.equals( lastControlType ) && DesignChoiceConstants.PARAM_TYPE_DECIMAL.equals( type ) ) )
		{
			return;
		}
		IChoiceSet choiceSet = getFormatChoiceSet( type );
		if ( choiceSet == null )
		{
			formatCategroy = formatPattern = null;
		}