In previous articles we told you how to operate with columns in adminhtml grids. Usually the process is quite fast, for example, if you want to add simple column from the database. But sometimes you need to add column with complex value, processed by renderer. You say: “it’s not a big deal to use renderers…” Right, until you face with sort and filter..
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All of Magento’s built-in backend modules share the same route, which is set during the installation process and defaults to ‘admin’. Here we will show you how to allow custom built modules to use the same route, so that you have consistent url routes in the back-end.
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