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set property for a bean with a value from the request

Posted on 2002-04-21
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Last Modified: 2010-04-01
Hi,

Here is an example of what I want to achieve.

<jsp:setProperty name="someBean" property="someProperty" value="<%=session.getValue("someOtherProperty")%>"/>

Basically I want to assign to a bean property another property comming from the session object.

With the syntax from above, I keep getting an error message "Attribute someOtherProperty has no value".
However, if I replace the code from abobe with
<%=session.getValue("someOtherProperty")%>, I am getting printed the value of the someOtherPropery, which is OK.

Thanks.
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Question by:simi
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8 Comments
 
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Accepted Solution

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pellep earned 75 total points
ID: 6959435
try

<jsp:setProperty name="someBean" property="someProperty" value="<%session.getValue("someOtherProperty")%>"/>
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LVL 33

Expert Comment

by:knightEknight
ID: 6959765
or:

<%! String prop = session.getValue("someOtherProperty"); %>

<jsp:setProperty name="someBean" property="someProperty" value="<%= prop %>"/>
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LVL 19

Expert Comment

by:cheekycj
ID: 6959854
the only change to knightEknight's code I would make is
make the prop a local var.. whenever I use JSP declaration scriptlet I always run into scoping issues.

<% String prop = session.getValue("someOtherProperty"); %>

<jsp:setProperty name="someBean" property="someProperty" value="<%=prop%>"/>

CJ
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LVL 33

Expert Comment

by:knightEknight
ID: 6959917
good catch CJ, that was a cut-n-paste error on my part.
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LVL 19

Expert Comment

by:cheekycj
ID: 6960603
isn't that exactly what you had??
<curiously>
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LVL 33

Expert Comment

by:knightEknight
ID: 6960615
no, the original had <%= and pellep suggested <%
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LVL 19

Expert Comment

by:cheekycj
ID: 6960743
Ah I see.

Surprised that worked.. learn somethin new everyday..

CJ
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Expert Comment

by:jayametts
ID: 10258858

weird. you got to have = sign.
that's what I see for struts 1.1 .. i get a message asking for = sign inside the assignment tag.
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