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Chapter 13 Using JavaBeans with JSP

Listing 13.6 SaleEntry3.jsp (continued)

  

      Using jsp:setProperty

<%   WARNING! Both the JSWDK 1.0.1 and the Java Web Server

              have a bug that makes them fail on automatic

              type conversions to double values.

%>

    

Item ID Unit Price Number Ordered Total Price


  $
  
  $

Item ID	Unit Price	Number Ordered	Total Price
	$		$

13.4 Sharing Beans

Up to this point, I have treated the objects that were created with

jsp:use

Bean

 as though they were simply bound to local variables in the

_jspService

 method (which is called by the

service

 method of the servlet

that is generated from the page). Although the beans are indeed bound to

local variables, that is not the only behavior. They are also stored in one of

four different locations, depending on the value of the optional

scope

attribute of

jsp:useBean

. The

scope

 attribute has the following possible val

ues:

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