I have following select tag code in angular 7
<select class="form-control fixed-select" name="country" #country=ngModel
[(ngModel)]="employeeObject.address.country.id" (change)="onCountrySelect($event.target.value, false)"
required>
<option value="" selected disabled>Select country</option>
<option *ngFor="let country of countries" value={{country.id}}>{{country.countryCode}}</option>
</select>
Default selection is not working even I used SELECTED attribute.
How to solve this?
Your variable country must be have empty string as value to match with your option.
Related
I'm trying to use a placeholder for dropdowns in the select tag, but the placeholder isn't working. Also, I tried some other options, but they didn't work.
<select class="form-control" [(ngModel)]="Category" required placeholder="Category">
<option value="" disabled selected>Select one category </option>
<option *ngFor="let data of array" [value]="data.Value">{{data.Name}}</option>
</select>
I have a select tag where I remove the [(ngModel)]="Category" properties and it shows the placeholder option, but when I add them it shows Blank in Placeholder.
In TS File declare your [(ngModel)] as null, it will work,
I have attached the stackblitz demo as well.
You can use an option with disabled.
In TS:
selected4 = null;
HTML
<select [(ngModel)]="selected4">
<option value="" disabled selected>Select your option</option>
<option value="1">Hey</option>
<option value="2">Hello</option>
</select>
stackblitz
here my code
<select class="form-control"
aria-placeholder="select auth type" id="auth_type"
[(ngModel)]="authenticationType"
name="auth_type"
#auth_type="ngModel"
(change)="changeAuthenticationType($event)" required>
<option [ngValue]="undefined" disabled selected>{{'AUTHENTICATION_CONFIGURATION.SELECT_TYPE' | translate}}
</option>
<option value="ALIGNOR_AUTHENTICATION">ALIGNOR AUTHENTICATION</option>
<option value="COGNITO_AUTHENTICATION">COGNITO AUTHENTICATION</option>
</select>
You have not done it by the recommended way of doing it.
Refer this demo code to see how it done. I would recommend to do it this way.
<select [(ngModel)]="selectedItem">
<option *ngFor="let item of items" [ngValue]="item">{{item.value}}</option>
</select>
You can make changes in your code accordingly.
is there any reason why this simple code won't work? I'm trying to have a placeholder on my select, but it simply shows as one of the other options in the list.
<div *ngFor="let d of formDatiRichiesta" class="form-row">
<select *ngIf="d.type=='select'"
class="form-control"
name="{{d.name}}"
[(ngModel)]="model[d.name]"
required>
<option selected disabled>{{d.placeholder}}</option>
<option *ngFor="let b of elencoBanche" value="{{b.id}}">{{b.denominazione}}</option>
</select>
</div>
I'm using angular4. Thanks.
--EDIT--
I found out that if I delete [(ngModel)]="model[d.name]" all works fine. Any hint?
You have to set the value of the <option> to the value of the model, because the <select> will use the value of the model as the default selection.
When the model is undefined at the beginning you can do it like this:
<option value="undefined">Please choose...</option>
That's how it is supposed to work. With the attributedisabled you can't choose it as an option.
But you could add the hidden attribute to also hide it:
<option value="" selected disabled hidden>{{d.placeholder}}</option>
<select formControlName="value" class="form-control"
style=" height: 40px">
<option [ngValue]="null" selected disabled hidden>Select</option>
<option>Save</option>
<option>Download</option>
</select>
Add this simply it will work.
<option value="" disabled>Select Category</option>
Or
<option [ngValue]="null">Select Category</option>
I am trying to have a select drop down display the first option as a placeholder value
The following code works
<form (ngSubmit)="citySubmit(f)" #f="ngForm">
<select>
<option value="" disabled selected>Select Your City</option>
<option *ngFor="let c of cities" [value]="c">{{c}}</option>
</select>
</form>
however the following code does not
<form (ngSubmit)="citySubmit(f)" #f="ngForm">
<select
[ngModel]="city">
<option value="" disabled selected>Select Your City</option>
<option *ngFor="let c of cities" [value]="c">{{c}}</option>
</select>
</form>
which leads me to believe I am using the ngmodel incorrectly.
Can I have some guidance please.
It should be,
Change
From
<select [ngModel]="city">
To
<select [(ngModel)]="city">
Here are two different datalist one with patient filenumber other with state
<input type="list" class="form-control" name="patient" list="patient-list" placeholder="Enter Patient file number">
<datalist id="patient-list">
<option value='49'>pc123</option>
<option value='48'>pc162</option>
<option value='47'>pc183</option>
<option value='45'>pc193</option>
</datalist>
<input type="list" class="form-control" name="state" list="state-list" placeholder="Enter state">
<datalist id="state-list">
<option value='delhi'>delhi</option>
<option value='mumbai'>mumbai</option>
<option value='Haryana'>Haryana</option>
<option value='Gurgaon'>Gurgaon</option>
</datalist>
When you open drop down menu for both you will notice input for patient show value & innerHTML both and inverted(on clicking it enters value inside input field). And in State input it just simply show state
What's the reason of these different behaviors?
I want to input to show just innerHTML of option like state input and have different data in value & innerHTML
While I cannot answer your exact question, I.E. "What is the reason of this", I can tell you why it happens.
As a result of the intended functionality of the program running the code (whichever web browser you're running) the .innerHTML attribute is shown to the right of the option element only if the .innerHTML value and the .value value differ.
Here is a fiddle showing this in action, I've changed the first option to have the same .innerHTML value and .value value as an example: https://jsfiddle.net/87h3bcwd/
Further Reading on the Datalist Element that I found useful in answering this question: http://www.w3.org/TR/html5/forms.html#the-datalist-element
Code:
<input type="list" class="form-control" name="patient" list="patient-list" placeholder="Enter Patient file number">
<datalist id="patient-list">
<option value='49'>49</option>
<option value='48'>pc162</option>
<option value='47'>pc183</option>
<option value='45'>pc193</option>
</datalist>
<input type="list" class="form-control" name="state" list="state-list" placeholder="Enter state">
<datalist id="state-list">
<option value='delhi'>delhi</option>
<option value='mumbai'>mumbai</option>
<option value='Haryana'>Haryana</option>
<option value='Gurgaon'>Gurgaon</option>
</datalist>
Using <datalist> doesn't work like <select>. It always displays the value attribute and doesn't let you change it by default.
This answer shows how to display different text if you need to - it consists of using a data- attribute and processing it with JavaScript:
Show datalist labels but submit the actual value