Hi Martin,

Hmm, thanks for the link.

Finally my problem is, that in the generated HTML page NONE of the option tags has the attribute SELECTED. So my drop-down list box displays the whole collection as expected, but setPropertyUtils seems to have no impact otherwise the correct value should be selected.

So probably could someone post the code for a simple problem:

I have a select box eg

0 Value0
1 Value1
2 Value2

Displayed to the user is
Value0
Value1
Value2

If a specific record is looked at, the Value might be 1, so I should set the property to 1 and the list-box should show
Value1 to the user as selected item.

This should be a very common problem but I simply cant get it working!!!

Tom

Martin Gainty wrote:
Good Morning Tom

If I understand your question you want to set properties via 
PropertyUtils.setPropertyUtils(InstantiatedBeanObject,BeanAttributeToSet,value)?
An excellent tutorial showing how to construct the Bean as well as 
setPropertyUtils methods is located here
http://brahe.discursive.com/viewcvs/commons-beanutils5/trunk/src/java/org/apache/commons/beanutils/package.html?rev=1

HTH
Martin --
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----- Original Message ----- From: "Tom Bednarz" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <user@struts.apache.org>
Sent: Monday, September 04, 2006 7:13 AM
Subject: Re: How to set the property of a drop-down select list from an action 
class?


Hi,

Thanks for your feedback but it is NOT what I want to do. This looks very much like mixing Java and HTML. I like to fill the form properties in my ActionClass and use JSP to display them.

So in my Action Class there should be something like

PropertyUtils.setSimpleProperty(form, "expenseType", <expense type that should 
match ONE entry in my collection>);

In the JSP as shown in my original message:



<html:select property="expenseType">
  <html:options collection="expenseTypes" property="typeCode"
     labelProperty="typeDescription"/>

where expenseTypes is the collection containing instances of expenseType class and typeCode is the value and typeDescription the label displayed in the drop-down listbox.

I currently don't know how to set the property using PropertyUtils in my Action class.

Tom

MADISHETTY, ASHOK [AG-Contractor/8042] wrote:
Hi,

You may try following:

Enumeration expenseTypeList = expenseTypes.elements(); // Vector of
                                                ExpenseType class objects

ExpenseType type = null;

<select name='select'>

if (expenseTypeList != null) {

  while(expenseTypeList.hasMoreElements()) {

   type = (ExpenseType) expenseTypeList.nextElement();

 <option value='"+type.getTypeCode()+"'>+type.getTypeDescription()+</option>

} }
</select>

This will display type description in list box and retrieve typeCode when
you call select.value();

Is that what you wanted?

Thanks

Ashok

-----Original Message-----
From: Tom Bednarz [mailto:[EMAIL PROTECTED] Sent: Monday, September 04, 2006 2:24 PM
To: Struts Users Mailing List
Subject: How to set the property of a drop-down select list from an action
class?

I like to display a dop-down select list and select an apropriate entry
from that list in an action:

This fills the list box:

<html:select property="expenseType">

   <html:options collection="expenseTypes" property="typeCode"

      labelProperty="typeDescription"/>

The expenseTypes is a Vector of the following class:

public class ExpenseType

{

   long typeCode;

   String typeDescription;

   public ExpenseType()

   {

   }

   public ExpenseType(long typeCode, String typeDescription)

   {

     super();

     this.typeCode = typeCode;

     this.typeDescription = typeDescription;

   }

   ... setters and getters

}

In my Action class I usually use the following code to populate the form
with values from a business object:

PropertyUtils.setSimpleProperty(form, "expenseName", expense.getName());

...

How do I pre-select the correct entry in my drop-down list-box? In my business object I have a value that matches the typeCode of the above
class but dispayed should be the typeDescription.

The collection is a vector, but I do not know the postition of the item to select, I only have its value. So I cannot use ProperyUtils.getIndexedProperty(..). But I can also not use
getMappedProperty() since a vector has no keys....

So how is this done with Vectors? Or should in general Hashtables be
taken for drop-down listboxes?

Tom

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