Checkboxes with display tag

["Shabada, Gnaneshwer" <sh...@toysrus.com>]

Hello All,

I have a Struts app that I am working on and am using DisplayTag to display
my search results. So far everything works fine. Now, I want to add a
checkbox for each row in this Displaytag which I was able to do but unable
to capture the checked values in my Action Class. Please verify the below
code and let me know if you find anything missing.
I am using <html:checkbox> and trying to pass memberId value when it is
checked. But it takes it as literal String value.


<display:table name="sessionScope.searchResults" pagesize="5"
defaultsort="2" defaultorder="descending" export="true"
	
id="memberList">
	<display:column>
		<html:checkbox property="deleteList" value="memberId">
		</html:checkbox>
	</display:column>
	<display:column property="lastName" title="Last Name"
sortable="true" headerClass="sortable"
href="/registration/viewRegistration.do" 
	
paramId="memberName" paramProperty="memberName" />
	<display:column property="firstName" title="First Name"
sortable="true" headerClass="sortable" />
	<display:column property="phone" />
	<display:column property="email"
href="/registration/displayEmail.do" paramId="email" paramProperty="email"/>
	<display:column property="occupation" />
	<display:column property="region" />
	<display:setProperty name="paging.banner.include_first_last"
value="true" />
	<display:setProperty name="paging.banner.placement" value="top" />
					
							
</display:table>

Please help

Thanks
Gnan

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Re: Checkboxes with display tag

[Jason Lea <ja...@kumachan.net.nz>]

I think you need to be using multibox for this to work.  I just did 
something similar recently and this is how I did it:

<html:form action="...my...action...here...">
<display:table ... id="row" ... >
    <display:column media="html"><html:multibox property="deleteList" 
value="${row.id}" title="delete this item"  /></display:column>
</display:table>
<html:submit value="Update" />
</html:form>

I am using JSP2.0+JSTL+EL.  Using id="row" in the display:table gives me 
a handle to each object in the list so I can get the id for each row.
Then I use ${row.id} to use as the value for the checkbox.  To do the 
same without JSTL I assume you would need to use:

<html:multibox property="deleteList"  title="delete this item"  
 ><bean:write name="row" property="id" /></html:multibox>

(but I haven't tested that)

This gets submitted to an ActionForm with these properties:

public class MyActionForm extends ActionForm {
    private String[] deleteList=new String[0];

    public String[] getDeleteList() {
        return deleteId;
    }
    public void setDeleteList(String[] fileId) {
        this.deleteId = fileId;
    }

    public void reset(ActionMapping mapping, HttpServletRequest request) {
        deleteList=new String[0];
    }

    ...

}

This gives me an array of all the id's corresponding to the ticked 
checkboxes, which I might update in a database.
Hope that gives you some clues - but probably more questions :)


Shabada, Gnaneshwer wrote:

>Hello All,
>
>I have a Struts app that I am working on and am using DisplayTag to display
>my search results. So far everything works fine. Now, I want to add a
>checkbox for each row in this Displaytag which I was able to do but unable
>to capture the checked values in my Action Class. Please verify the below
>code and let me know if you find anything missing.
>I am using <html:checkbox> and trying to pass memberId value when it is
>checked. But it takes it as literal String value.
>
>
><display:table name="sessionScope.searchResults" pagesize="5"
>defaultsort="2" defaultorder="descending" export="true"
>	
>id="memberList">
>	<display:column>
>		<html:checkbox property="deleteList" value="memberId">
>		</html:checkbox>
>	</display:column>
>	<display:column property="lastName" title="Last Name"
>sortable="true" headerClass="sortable"
>href="/registration/viewRegistration.do" 
>	
>paramId="memberName" paramProperty="memberName" />
>	<display:column property="firstName" title="First Name"
>sortable="true" headerClass="sortable" />
>	<display:column property="phone" />
>	<display:column property="email"
>href="/registration/displayEmail.do" paramId="email" paramProperty="email"/>
>	<display:column property="occupation" />
>	<display:column property="region" />
>	<display:setProperty name="paging.banner.include_first_last"
>value="true" />
>	<display:setProperty name="paging.banner.placement" value="top" />
>					
>							
></display:table>
>
>Please help
>
>Thanks
>Gnan
>
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>contain confidential and privileged information. Any unauthorized review,
>use, disclosure or distribution is prohibited. If you are not the intended
>recipient, please contact the sender by reply email and destroy all copies
>of the original message. To reply to our email administrator directly, send
>an email to EmailAdmin@toysrus.com. 
>Toys "R" Us, Inc.
>
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>
>
>  
>


-- 
Jason Lea



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