200. TD Grouping Form Controls

Jul 21, 2026 02:12 · 3:30 · English · Whisper Turbo · 5 ተናጋሪ

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Our form has evolved quite a bit.

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Now let's say that on the value object we get when we submit

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the form, we want to group some things.

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For example,

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we want to group the secret and the question answer and the username and email

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to just have some structure in our object because for a very

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big form,

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we might want to have such a structure.

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This would also be nice if we could then validate

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the, well,

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validity,

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the status of our individual groups of inputs.

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Turns out that's easy to do with the template -driven approach.

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Here on our first group,

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username and email,

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I already have a wrapping div with the ID user data here.

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Now you can simply place another directive on it,

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the ng -model group directive,

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like this.

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And this will now group this into,

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well,

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you guessed it,

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a group of inputs.

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However,

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ngModelGroup needs to be set equal to

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a string.

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So for example,

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userData.

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This will be the key name for this group.

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So now if I save this with ngModelGroupEdit,

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if I enter value here and here,

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and hit submit,

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and we have a look at the value of the form,

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you now see that we have a user data field here,

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which holds another object where we now have email and username.

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Now, not only did we add this extra field in our

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value, we also now have a different setup

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here in controls.

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Here we also now have a user data control with all the properties

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you know on those controls,

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like valid and so on.

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So if we now simply inspect our HTML

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code,

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And this div with the ID user data,

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you see that there also we got the ngDirtyTouched and valid

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classes added.

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So you can now also check the validity of

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this overall code control here,

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for example,

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which might be a nice feature in your form.

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You can also get access to the JavaScript

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representation.

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by again adding a local reference to the element which holds the ngModelGroup

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directive.

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Here,

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for example, userData would be a fitting name.

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And then setting this equal to ng model group.

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So just like we did before with email,

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which was equal to ng model,

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I'm now setting this reference equal to ng model group to get access

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to this JavaScript object.

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And this would allow us to,

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for example,

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output a message if this whole group is not valid.

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So we could simply output a paragraph here,

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user data is invalid,

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which we add if

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user data,

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this is your local reference created here,

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if user data is not valid.

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And let's say it has been touched.

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So user data touched is true.

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With that,

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if this reloads,

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You see that we don't see any message,

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but as soon as I click into one of the fields and then leave it,

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you see user data is invalid was shown.

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So now you really got a very fine grain control over

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your form with all these tools.

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