How to use Ajax within Sonata Admin forms?
I have a Merchant entity with the following fields and associations:- /** * @ORM\ManyToMany(targetEntity="Category", inversedBy="merchants") */ public $categories; /** * @ORM\ManyToMany(targetEntity="Tag", inversedBy="merchants") */ public $tags; /** * @ORM\ManyToOne(targetEntity="Category", inversedBy="merchants") */ protected $primaryCategory; /** * @ORM\ManyToOne(targetEntity="Tag", inversedBy="merchants") */ protected $primaryTag; The Tags and Categories also have a ManyToMany mapping. So we have Tag_Category, Merchant_Tag, Merchant_Category mapping tables. Now I want to perform some ajax