how can we retrieve the values in jsp by using custom tags
Answer Posted / shiraz khan
Tag handler class is not a servlet or jsp, so it doesn't
have access to many implicit objects which are available in
jsp. It, however, has a reference to PageContext using which
we can call :
pageContext.getAttribute(name) // looks in page scope only
pageContext.getAttribute(name,scope) // looks in specified
scope
alternatively we can also also get references to other
scopes using :
pageContext.getRequest()
pageContext.getSession()
pageContext.getServletContext()
pageContext.getServletConfig()
And yes, this pageContext implicit object is given to the
tag class by container, during initialisation of this tag
class when setPageContext(PageContext) is called by container
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Define Composition.
How do I use a scriptlet to initialize a newly instantiated bean?
Mention the implicit objects in a jsp.
What do cookies mean?
What is scripting elements in jsp?
Can I run jsp on xampp?
Can we use the exception implicit object in any jsp page?
Which two interfaces does the javax servlet jsp package have?
Explain the jsp life cycle?
What is scriptlet in jsp?
What are implicit objects in jsp?
How to ignore the el expression evaluation in a jsp?
Why is _jspservice() method starting with an '_' while other life cycle methods do not?
Can we use jsp implicit objects in a method defined in jsp declaration?
Is jsp server side scripting language?