problem in using xforms:show and xforms:setvalue in xforms:trigger

> Hi all,
>
>        I have an edit option. Which shows a dialog box. Edit instance looks
> like
>
> <xforms:instance id="edit-instance">
>     <edit-des xmlns="">
>         <recordId />
>         <description />
>         <tmp/>
>     </edit-des>
> </xforms:instance>
>
> I declared edit trigger like
>
>
>   <xforms:trigger id="show-dialog-center1" class="xforms-trigger1">
>     <xforms:label>Edit</xforms:label>
>       <xforms:action ev:event="DOMActivate">
>         <xforms:setvalue ref="instance('edit-instance')/symptomId"
> value="<%=record.getRecordId()%>" >
>          </xforms:setvalue>
>         <xforms:setvalue ref="instance('edit-instance')/description"
> value="<%=record.getDescription()%>">
>           </xforms:setvalue>
>        <xxforms:show dialog="editDialog" ev:event="DOMActive"/>
>      </xforms:action>
>    </xforms:trigger>
>
> and the dialog declaration
>
> <xxforms:dialog id="editDialog" level="modeless" close="true"
> draggable="true" appearance="full">
>            <xforms:setvalue ev:event="xxforms-dialog-open"
> ref="context()/tmp" value="instance('edit-instance')/description"/>
>            <xforms:label>Edit Symptom Description</xforms:label>
>            <h5>Edit Symptom Description.</h5>
>            <xforms:textarea ref="instance('edit-instance')/tmp" />
>            <p>
>                   <xforms:group>
>                        <xxforms:hide ev:event="DOMActivate"
> dialog="editDialog"/>
>                        <xforms:trigger>
>                              <xforms:label>Update</xforms:label>
>                 <xforms:action ev:event="DOMActivate">
>                                    <xforms:setvalue
> ref="instance('edit-instance')/description" value="context()/tmp"
> ev:event="DOMActivate"/>
>                     <xforms:send submission="description-submission"/>
>                 </xforms:action>
>                        </xforms:trigger>
>                    </xforms:group>
>            </p>
> </xxforms:dialog>
>
> It is showing the dialog fine. Before that it is not setting the values in
> instance. What is the problem in it. Please help me.
> --
> Regards
> Phani. S
>
>
>
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