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El evaluation

 
Mahtab Alam
Ranch Hand
Posts: 391
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Java MySQL Database PHP
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This is page number 330 of Head First Servlet and Jsp
Question is
<%@ page isElIgnored="true" %>

and the answer given is "This page directive will only turn-off EL evaluation if the DD declares a <el-ignored>true</el-ignored> element with a URL pattern that includes this JSP" .

But EL is enabled by default , so isn`t it enough to put a isElIgnored="true" on the Jsp page where we want to ignore EL evalution.
But the answer says it will only turn off when you declare el-ignored>true</el-ignored> also in DD.
So why we need to do both.
 
Dieter Quickfend
Bartender
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Java Netbeans IDE Redhat
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SearchFirst. It's been asked many times before.
 
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