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I want to override the register.phtml in Magento_Customer module. But the setTemplate method fails to override the original register.phtml because the register.phtml was overridden in Magento_CustomerCustomAttributes

<referenceBlock name="customer_form_register">
            <action method="setTemplate">
                <argument name="template" xsi:type="string">VendorName_ModuleName::form/register.phtml</argument>
            </action>
        </referenceBlock>

In this case, how can I replace the template, or how can I insert a set of radio button into that template? since my intention is to add radio button to the template. Thanks in advance.

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3

The action node is deprecated in magento 2. You should change your xml to this

<referenceBlock name="customer_form_register">
    <arguments>
        <argument name="template" xsi:type="string">VendorName_ModuleName::form/register.phtml</argument>
    </arguments>
</referenceBlock>

If you want to override a template that a magento 2 core module is already overriding, you need to override that override. To do this you should add the module that is already doing the override as a sequence in your module.xml file

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
    <module name="Vendor_module" setup_version="100.0.0">
        <sequence>
            <module name="Magento_CustomerCustomAttributes" />
        </sequence>
    </module>
</config>

No flush your cache and reload your page and you should see your template getting loaded.

UPDATE: The devdocs state that "The <action> instruction is deprecated." but in all cases I have encountered, the instruction is the only method that can successfully override a template. This github issue says this is currently a bug.

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  • 2
    thanks for your answer, but it does not work. – Ricky.C Jan 26 '16 at 6:03
  • 1
    Ricky / for others' reference: Nathan is incorrect about <action method="..."> being deprecated. The layout XML given in the question should be exactly correct. He is correct about the sequence tag, though; that should ensure that your XML gets parsed after the other module(s) you reference. – Ryan Hoerr Mar 23 '16 at 19:39
  • 1
    @RyanH. I was going off of the M2 Dev Doc's (goo.gl/laVP35) which states "The <action> instruction is deprecated." Unfortunately there is a bug with the <arguments> tag (goo.gl/diV0Fx) preventing my code above from working properly. For now it is acceptable to use action as it is the only method that works for overriding a template in layout xml at the moment. I will update my original post to make note of this fact. – Nathan Toombs Mar 23 '16 at 19:51
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Step 1) Enable the extension to specify config.php file from app/etc folder

    <?php
    return array (
      'modules' => 
      array (
            'Learning_RewriteSales' => 1,
      ),
    );

Step 2) Create Custom.php Class in Block

    <?php
    namespace Learning\RewriteSales\Block\Adminhtml\Order\View;

    class Custom extends \Magento\Backend\Block\Template
    {

    }

Step 3) Create Info.php file to extend core Info.php

    <?php
    namespace Learning\RewriteSales\Block\Adminhtml\Order\View;

    class Info extends \Magento\Sales\Block\Adminhtml\Order\View\Info
    {

    }

Step 4) Create di.xml file to specify which class you where extended ( Dependency Injection )

    <?xml version="1.0"?>
       <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/ObjectManager/etc/config.xsd">
<preference for="Magento\Sales\Block\Adminhtml\Order\View\Info" type="Learning\RewriteSales\Block\Adminhtml\Order\View\Info"/>
      </config>

Step 5) Create a module.XML file to specify the setup version

      <?xml version="1.0"?>
          <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/Module/etc/module.xsd">
               <module name="Learning_RewriteSales" setup_version="2.0.0">
                      <sequence>
               <module name="Magento_Sales"/>
                      </sequence>
               </module>
          </config>

Step 6) Create sales_order_view.xml file from Learning/RewriteSales/view/layout folder and write the below code

          <?xml version="1.0"?>
                <page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="admin-2columns-left" xsi:noNamespaceSchemaLocation="../../../../../../../lib/internal/Magento/Framework/View/Layout/etc/page_configuration.xsd">
                     <body>
                         <referenceBlock name="order_info">
                               <action method="setTemplate">
                                   <argument name="template" translate="true" xsi:type="string">order/view/info.phtml</argument>
                               </action>
                        </referenceBlock>
                        <referenceBlock name="order_info">
                              <block class="Learning\RewriteSales\Block\Adminhtml\Order\View\Custom" name="sales_order_view_custom" template="order/view/custom.phtml" />
                        </referenceBlock>
                     </body>
                  </page>

Step 7) Create the Custom.phtml and Info.phtml file from Learning/RewriteSales/view/layout and insert below code.

Custom.phtml

        <h1>Hi, I am here!</h1>

Info.phtml

First Copy the code from Magento\Sales\view\adminhtml\templates\order\view\info.phtml file and past here after that add one more line

        <?php echo $block->getChildHtml('sales_order_view_custom');?>

Step 8) Finally clean the cache and to see your custom code Sales Order View Page. reference: How to extend backend template files in Magento 2

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