Example for http://stackoverflow.com/questions/27820641/access-to-iterated-controls-in-repeated-sections-in-orbeon

form.xhtml

<xh:html xmlns:xh="http://www.w3.org/1999/xhtml" xmlns:xf="http://www.w3.org/2002/xforms"
         xmlns:xs="http://www.w3.org/2001/XMLSchema"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns:ev="http://www.w3.org/2001/xml-events"
         xmlns:xi="http://www.w3.org/2001/XInclude"
         xmlns:xxi="http://orbeon.org/oxf/xml/xinclude"
         xmlns:xxf="http://orbeon.org/oxf/xml/xforms"
         xmlns:exf="http://www.exforms.org/exf/1-0"
         xmlns:fr="http://orbeon.org/oxf/xml/form-runner"
         xmlns:saxon="http://saxon.sf.net/"
         xmlns:sql="http://orbeon.org/oxf/xml/sql"
         xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
         xmlns:fb="http://orbeon.org/oxf/xml/form-builder">
    <xh:head>
        <xh:title>Untitled Form</xh:title>
        <xf:model id="fr-form-model" xxf:expose-xpath-types="true">

            <!-- Main instance -->
            <xf:instance id="fr-form-instance" xxf:exclude-result-prefixes="#all">
                <form>
                    <my-section-1>
                        <my-repeated-grid>
                            <my-repeated-grid-iteration>
                                <name>v1</name>
                            </my-repeated-grid-iteration>
                            <my-repeated-grid-iteration>
                                <name>v2</name>
                            </my-repeated-grid-iteration>
                        </my-repeated-grid>
                    </my-section-1>
                    <my-section-2>
                        <result/>
                    </my-section-2>
                </form>
            </xf:instance>

            <!-- Bindings -->
            <xf:bind id="fr-form-binds" ref="instance('fr-form-instance')">
                <xf:bind id="my-section-1-bind" name="my-section-1" ref="my-section-1">
                    <xf:bind id="my-repeated-grid-bind" ref="my-repeated-grid" name="my-repeated-grid">
                        <xf:bind id="my-repeated-grid-iteration-bind" ref="my-repeated-grid-iteration"
                                 name="my-repeated-grid-iteration">
                            <xf:bind id="name-bind" ref="name" name="name"/>
                        </xf:bind>
                    </xf:bind>
                </xf:bind>
                <xf:bind id="my-section-2-bind" ref="my-section-2" name="my-section-2">
                    <xf:bind id="result-bind" ref="result" name="result"
                             calculate="concat(string-join($name, ', '), ' | ', $name[2])"/>
                </xf:bind>
            </xf:bind>

            <!-- Metadata -->
            <xf:instance xxf:readonly="true" id="fr-form-metadata" xxf:exclude-result-prefixes="#all">
                <metadata>
                    <application-name>a</application-name>
                    <form-name>a</form-name>
                    <title xml:lang="en">Untitled Form</title>
                    <description xml:lang="en"/>
                    <singleton>false</singleton>
                </metadata>
            </xf:instance>

            <!-- Attachments -->
            <xf:instance id="fr-form-attachments" xxf:exclude-result-prefixes="#all">
                <attachments>
                    <css mediatype="text/css" filename="" size=""/>
                    <pdf mediatype="application/pdf" filename="" size=""/>
                </attachments>
            </xf:instance>

            <!-- All form resources -->
            <!-- Don't make readonly by default in case a service modifies the resources -->
            <xf:instance id="fr-form-resources" xxf:readonly="false" xxf:exclude-result-prefixes="#all">
                <resources>
                    <resource xml:lang="en">
                        <result>
                            <label>Result</label>
                            <hint/>
                        </result>
                        <name>
                            <label>Name</label>
                            <hint/>
                        </name>
                        <my-section-1>
                            <label>S1</label>
                        </my-section-1>
                        <my-section-2>
                            <label>S2</label>
                            <help/>
                        </my-section-2>
                        
                    </resource>
                </resources>
            </xf:instance>

            <!-- Utility instances for services -->
            <xf:instance id="fr-service-request-instance" xxf:exclude-result-prefixes="#all">
                <request/>
            </xf:instance>

            <xf:instance id="fr-service-response-instance" xxf:exclude-result-prefixes="#all">
                <response/>
            </xf:instance>
            <xf:instance xxf:readonly="true" id="my-repeated-grid-template">
                <my-repeated-grid-iteration>
                    <name/>
                </my-repeated-grid-iteration>
            </xf:instance>

        </xf:model>
    </xh:head>
    <xh:body>
        <fr:view>
            <fr:body xmlns:xbl="http://www.w3.org/ns/xbl"
                     xmlns:oxf="http://www.orbeon.com/oxf/processors"
                     xmlns:p="http://www.orbeon.com/oxf/pipeline">
                <fr:section id="my-section-1-control" bind="my-section-1-bind">
                    <xf:label ref="$form-resources/my-section-1/label"/>
                    <fr:grid id="my-repeated-grid-control" bind="my-repeated-grid-bind" repeat="content"
                             min="1"
                             template="instance('my-repeated-grid-template')">
                        <xh:tr>
                            <xh:td>
                                <xf:input id="name-control" bind="name-bind">
                                    <xf:label ref="$form-resources/name/label"/>
                                    <xf:hint ref="$form-resources/name/hint"/>
                                    <xf:alert ref="$fr-resources/detail/labels/alert"/>
                        
                        
                                </xf:input>
                            </xh:td>
                        </xh:tr>
                    </fr:grid>
                </fr:section>
                <fr:section id="my-section-2-control" bind="my-section-2-bind">
                    <xf:label ref="$form-resources/my-section-2/label"/>
                    <fr:grid>
                        <xh:tr>
                            <xh:td>
                                <xf:output id="result-control" bind="result-bind">
                                    <xf:label ref="$form-resources/result/label"/>
                                    <xf:hint ref="$form-resources/result/hint"/>
                                    <xf:alert ref="$fr-resources/detail/labels/alert"/>
                        
                        
                                </xf:output>
                            </xh:td>
                        </xh:tr>
                    </fr:grid>
                </fr:section>
            </fr:body>
        </fr:view>
    </xh:body>
</xh:html>