{"id":1850,"date":"2023-12-06T05:00:00","date_gmt":"2023-12-06T13:00:00","guid":{"rendered":"https:\/\/www.angulartraining.com\/daily-newsletter\/?p=1850"},"modified":"2023-12-05T15:57:11","modified_gmt":"2023-12-05T23:57:11","slug":"using-formbuilder-or-formcontrol","status":"publish","type":"post","link":"https:\/\/www.angulartraining.com\/daily-newsletter\/using-formbuilder-or-formcontrol\/","title":{"rendered":"Using FormBuilder or FormControl?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">When creating <a href=\"https:\/\/www.angulartraining.com\/daily-newsletter\/reactive-or-template-driven-forms\/\" target=\"_blank\" rel=\"noopener\" title=\"\">reactive forms<\/a> with Angular, we have two options available. The most documented one is to inject the <code>FormBuilder<\/code> service and use it to generate your form&#8217;s structure:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"341\" height=\"264\" src=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/12\/image-3.png\" alt=\"\" class=\"wp-image-1851\" srcset=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/12\/image-3.png 341w, https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/12\/image-3-300x232.png 300w\" sizes=\"auto, (max-width: 341px) 100vw, 341px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>FormBuilder<\/code> makes perfect sense for forms that contain lots of elements. This service gives us methods that are factories for the following syntax, which is a lot more verbose:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"366\" height=\"294\" src=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/12\/image-4.png\" alt=\"\" class=\"wp-image-1852\" style=\"width:366px;height:auto\" srcset=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/12\/image-4.png 366w, https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/12\/image-4-300x241.png 300w\" sizes=\"auto, (max-width: 366px) 100vw, 366px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Now, if you have a simple form with just one or two form controls, you don&#8217;t need <code>FormBuilder<\/code>. Declaring your <code>FormControl<\/code> &#8220;manually&#8221; is actually more manageable that way:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"301\" height=\"40\" src=\"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-content\/uploads\/2023\/12\/image-5.png\" alt=\"\" class=\"wp-image-1853\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You can find an example of a single <code>FormControl<\/code> with <a href=\"https:\/\/www.angulartraining.com\/daily-newsletter\/using-validation-functions-that-work-with-both-template-driven-and-reactive-forms\/\" target=\"_blank\" rel=\"noopener\" title=\"\">custom validation<\/a> <a href=\"https:\/\/stackblitz.com\/edit\/angular-custom-validator-form?file=app%2Fcreditcardvalidator.directive.ts,app%2Fapp.component.html,app%2Fapp.component.ts\" target=\"_blank\" rel=\"noopener\" title=\"\">here on Stackblitz<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When creating reactive forms with Angular, we have two options available. The most documented one is to inject the FormBuilder service and use it to generate your form&#8217;s structure: FormBuilder makes perfect sense for forms that contain lots of elements. This service gives us methods that are factories for the following syntax, which is a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,22],"tags":[],"class_list":["post-1850","post","type-post","status-publish","format-standard","hentry","category-angular","category-forms"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts\/1850","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/comments?post=1850"}],"version-history":[{"count":2,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts\/1850\/revisions"}],"predecessor-version":[{"id":1855,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/posts\/1850\/revisions\/1855"}],"wp:attachment":[{"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/media?parent=1850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/categories?post=1850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.angulartraining.com\/daily-newsletter\/wp-json\/wp\/v2\/tags?post=1850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}