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use bean property value

Posted on 2002-04-26
Last Modified: 2010-04-01
<%Hashtable ht = new Hashtable()%>
 <jsp:setProperty name="someBean" property="someProperty" value=ht>

A bean can have properties that are of tipe String.
Say I have a someProperty that is a Hashtable.
How/if, can I use the setProperty to set that property, something like the example from above.

Question by:simi
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LVL 33

Expert Comment

ID: 6971889
you can't do it using the <jsp: tag ...
LVL 33

Accepted Solution

knightEknight earned 50 total points
ID: 6971894
you'll have to use the setter on the bean object ... something like:

  Hashtable ht = new Hashtable();
  Bean someBean = new Bean();
LVL 33

Expert Comment

ID: 6971896
... you don't have to instantiate the bean the way I did above, but you will have to use the setter that way.
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LVL 19

Expert Comment

ID: 6972091
try this:

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


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

LVL 19

Expert Comment

ID: 6972098
property="propertyName" value="{string | <%= expression %>}"

Sets one bean property to a specific value. The value can be a String or an expression that is evaluated at runtime. If the value is a String, it is converted to the bean property's data type according to the conversion rules shown above in TABLE 1. If it is an expression, its value must have a data type that matches the the data type of the value of the expression must match the data type of the bean property.

If the parameter has an empty or null value, the corresponding bean property is not set. You cannot use both the param and value attributes in a <jsp:setProperty> element.

Author Comment

ID: 6972293

Chee your solution does not work. I tried it prior to asking the question and it results in an error message asking for quotes arround the parameter value.

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