Ngif not working Is there a reason why this is not working for me? Nov 4, 2018 · ngif condition not working for multiple conditions. base. – Jul 12, 2018 · *ngIf is not working. Viewed 2k times 1 . I found many solutions but they were unnecessarily complex. Jan 26, 2020 · ngIf else not working. markForCheck everytime you change a variable that affect your html with *ngIf. which also used inside third component. – serialworm Commented May 31, 2018 at 0:02 Just add new updates from Angular 8. I needed access to the nativeElement attribute in order to focus on the input when ngIf is true. io Hi all, I'm having a problem with an *ngIf condition and i can't find anyone with the same issue on Stackoverflow, Reddit or anywhere i can find on Google. It might not make a difference here, but in some cases it will. As mentioned in the previous comment <ng-template> is used to declare a template. The Apr 14, 2018 · ngif else is not working in AngularJs 4. Above make use of *ngIf/Else, which means if user is not admin then other user template get displayed and if user is admin then admin user template get displayed. Hot Network Questions Aug 11, 2017 · but ngIf not working even if change the condition to true and nothing of two inputs appears!! please note that this component is used inside another component. OnPush. app. Hot Network Questions When using ngIf, angular completely removes the node from markup. g. Dec 13, 2019 · The <app-services *ngIf="serviceText"></app-services> in the options. can you help here guys please Sep 25, 2020 · According to this GitHub issue, the paginator breaks inside an ngIf, but you can try to use this snippet to get around the problem: @ViewChild(MatPaginator) set matPaginator(mp: MatPaginator) { this. Using ng-if with comparison operator. Thanks to @ibenjelloun and @JacopoSciampi for the answers. Hot Network Questions CTD and conversion factors above and below 6% A conjecture on quadratic residues What are the differences for each difficulty Jun 30, 2017 · ngIf in angular 2 not working. Nov 10, 2017 · i used the *ngif on a button that will be false and came true when the item is selectd from ng-select but its not working here is the button code <button *ngIf="switch" (click)="productSaveI Nov 24, 2017 · The NgIf statement calls this method: public isAuthenticated(){ return this. Hot Network Questions Chromatic note and mode degrees Jun 10, 2021 · *ngIf is not working. If I remove the *ngIf clause, I get the value of car. create({ component: MyComponent, componentProps: { id: id } }); See full list on angular. ngIf not working. sort = this. Correct me if I'm wrong I made 2 tries to display the column based on the condition but none works. Jun 13, 2014 · Angular ng-if clause not working both ways. I had the same issue because I created a new component with an embedded *ngIf inside of it running off of an internal class variable derived by logic inside of an ngOnChanges() method. </ng-template> But if you replace [ngIf] with *ngIf, same code would not work. Oct 10, 2017 · Why does the hidden work and the ngIf not? html; angular; angular-ng-if; Share. 8. 0-beta. </ng-template> Jun 9, 2020 · This used to work to show car. I'm having a bit of an issue with Feb 23, 2017 · < div *ngIf = " user$ | async as user; else loading " > </ div > First, we are using a traditional *ngIf in combination with the async pipe to show our element if the user has loaded. Aug 28, 2018 · In Angular, using *ngFor inside *ngIf not working. I will update my question as I Jan 1, 2017 · ngif is not working properly. type (e. AngularJS not interpreting the condition expression Nov 16, 2017 · So the following code would work fine . Did something change in the recent updates to Angular or Angular-cli? Jan 13, 2020 · I've tried using setTimeout(), and I've even tried using [hidden] instead of ngIf. But !loading expression works well for ngif. Because Internally, Angular translates the *ngIf attribute into a ng-template element, wrapped around the host element. component I write this. What I want to happen is when both drop downs do not have data selected, the Retrieve button is Nov 23, 2017 · NgIf not working with observable. ts file. Next is the user$ | async as user statement in the *ngIf. A typical scenario might look like this: And then, we would sprinkle in another *ngIf statement for errors. Closed MUHAMMADYASIR92 opened this issue Dec 2, 2024 · 2 comments Closed May 30, 2017 · The issue discusses a bug with <ng-template> not working with *ngIf ; else syntax in Angular. <ng-container *ngIf="employed == 'employed'; then trueCondition else elseTemplate"></ng-container> <ng-template #trueCondition> <!-- Jul 21, 2018 · I came across the same issue and resolved it after doing a some research. checking string value in ng-if statement. ng-if does not work. component for example, and I send the flag (which is true) with it to the other function in the bus. setDataSourceAttributes(); } setDataSourceAttributes() { this. 5 is not working in {N}3. sort; } The answers above did not work for me because in my project, the ngIf is on an input element. However, the combination is not working. when a user clicks into it or when a child component emits an event; (b) when an @Input() value changes; or (c) when the async pipe receives a new value. I have done validation in use *ngIf="event. If *ngIf is not working when you load a component with ModalController, verify you imported the component module into the host module. The else part does not Mar 15, 2018 · I'm submitting a [ ] Regression (a behavior that used to work and stopped working in a new release) [x] Bug report [ ] Feature request [ ] Documentation issue or request [x] Support request => Please do not submit support request here Angular Animation leave transition not working on ngIf. touched is not working. How to use *ngIf correctly? Hot Network Questions In Catholic atonement theology, if God can save Mary from all sin without Christ, what was the Aug 30, 2021 · To solve this, I'm using the following code, which combines an *ngIf with an ng-template. And a change should be made in html when the value changes. // Make sure you import MyComponent into your host component. ts import {Questionaire} from '. 1. The usual approach we find in most Angular projects involves using the *ngIf directive. So, here is how i did it. ts file show up correctly. What you want here is to hide/display some nodes: Hello World! </ng-container> <ng-template #notFirst> . Jul 14, 2023 · This is my angular code when bottom element load working ngif is not working, why could be so? Below there is component code and html , which are using in my snippet. In the below Learn how to use ngIf directive in Angular to conditionally display content based on the value of an input field. Nov 8, 2018 · That way it will not be rendered at first but as soon as your testCases gets values through getTestCases(), the *ngIf will be true and it will work as you intended – Joel Vicente Commented Nov 8, 2018 at 10:32 Mar 29, 2023 · I have a base component called base. ngif else is not working in AngularJs 4. It will keep your markup as is. Edit Jul 20, 2018 · It will check the value in the database, and compare it, when i'm doing a console log it's working fine and returning me value, if i'm born in 1992 and compare the date, it will display me in console. Oct 9, 2018 · I want to do that if my array doesn't have some values or some values are undefined in html just don't try to get it from array. Empty array : [ {0: undefined} ] Apr 25, 2017 · ngif is not working properly. Jun 19, 2019 · Angular2 *. As a workaround, we can access the directive from out component using @ViewChildren: @ViewChildren(QueryHighlightDirective) dirs; And then call it's ngOnChanges method, once div is toggled. In it I need to hide 2 columns when click any row in the table. Angular "ngif" doesn't work while getting a undefined value. Aug 13, 2020 · *ngIf not working inside the Modal. CommonModule is also imported in module file of version-actions, as well as in Assets and Release. Provide details and share your research! But avoid …. Angular2 @Input for *ngIf is not working (null) 10. </ng-template> <ng-template #elseBlock> Content to render when condition is false. Here we are creating a local template variable user that Angular assigns the value from the Observable Nov 18, 2023 · Previously we used to do that with the traditional structural directive *ngIf. model'; questionaire : Questionaire; Based on the name property of class Jan 15, 2019 · Base on the solution Angular 5 Material Data Table sorting not working. AngularJS if/else in ng-repeat. ng-if doesn't works as expected. So I created a click function and set the boolean variable as Dec 16, 2020 · ngIf not working. Before loading; After loading; Jun 11, 2020 · I have two drop downs that are parameters for a function that is called on the Retrieve button click. Nov 23, 2023 · In the new version of Angular V17, the @if directive can be used as a replacement for ng-container, which is fantastic. ng-switch does not work as intended when trying conditional logic. ngIf not working after first click. Angular : why this ng-if doesn't work? 0. this way you will consume less memory as you do not keep listening to a certain variable. 2 *ngIf causing custom directive to not work properly. Improve this question. ts file if you need help translating it. It should work in both cases. but if your variable often changes overtime then it is recommended to use listener Sep 7, 2017 · I need to display a "Loading" panel in an html template until the results have been retrieved and bound to a component vm view model variable. because 0 is taken to be of type string. Viewed 3k times 2 . asked Oct Dec 29, 2019 · I've come across an odd issue when using an ngif statement in my template. For case if with else, we can use ngIf and ngIfElse. isSummaryViewVisbile = true; <ng-template [ngIf]="isSummaryViewVisbile" #pricebookView > Hello world. So you need to check that this element not exists. Ask Question Asked 6 years, 8 months ago. 2 *ngIf change not detect in template. Nov 4, 2017 · You'd better create a filtered copy of the array every time the option changes, from your controller (thanks to (ngModelChange)="createFilteredCopy()"), and then iterate on the filtered copy, without using any ngIf. Modified 6 years, 4 months ago. dataSource. . How to write a condition with *ngFor to check two values. I had the same issue with a table using ngIf. 6. Basically i have an ngIf condition that checks what language is selected in the translate service and then shows content based on that. Without seeing the rest of your component, I am guessing that it's using ChangeDetectionStrategy. There seems to be no nativeElement attribute on ViewContainerRef. I have a model Questionaire which has name property. May 2, 2018 · I faced this problem in my Angular app, it seemed a silly problem for me cause I disabled/enabled a couple of my elements with [disabled] or [attr. See the Angular NgIf documentation. For example you might have some css styles applied to the parent of your link, and another div there would mess it up. paginator; this. Hot Network Questions. Angular : why this ng-if doesn't work? Nov 18, 2013 · In your case what is happening is : - You are using primitive type boolean - ngIf creates/destroy its scope while inheriting from its parent scope - Every change made within the ngIf local scope is never propagated to the parent. ts looks like this: Dec 1, 2024 · [Bug] ngFor and ngIf not working in PrimeNG Table #16903. The else part does not execute in *ngIf statement. length ===0 wont work . html <ng-container> <list-view [ Aug 31, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. How to use ngIf in Angular. Swoox. Modified 3 years, 3 months ago. and also expressions like marksArray. Hot Network Questions Is Luke 4:8 enjoining to "worship and serve" or serve only Getting multiple variables from the This is not working with *ngIf, because when ngOnChanges fires, the second div and paragraph is not visible. Here is what I did (following @ViewChild documentation): ngIf not working. Even the console logs in the . otherwise *ngIf is meant for boolean not even expressions with operators like < , >,&&,||. Angular 2: combine *ngIf and #template together. ngIf else not working. So some reason though it wont render anything at all. So I have some code On way to solve this is using <ng-container *ngIf="prop" item-content> (as suggested by @Jacques's), it will make the slot be captured by the third slot described before which selects the [item-content] as a target not losing the content in spite of having an ion-label on your child ion-item. ng-container unexpected behavior with *ngIf directive. The statement is supposed to display render a "Valid" icon when the condition is true. Nov 20, 2021 · One reason might be that you are not importing CommonModule in the yourName. Angular2 *ngIf is not working properly. Jul 27, 2020 · I am using Angular mat table to create a simple table with three columns. when rendering the block to check the value ({{contactInfoValid(contact)}}) it is updated correctly, the *ngIf is not being triggered May 11, 2021 · angular 4 *ngIf not working as expected. 1. modal = await this. This used to work before. 7. I only see ng-reflect-ng-style. Angular directive *ngIf not working as intended. paginator = mp; this. 0. angular 2: ngIf problems. To be more precise, it's just not rendered Aug 5, 2016 · ngIf not working. Here is the code that worked Code after: Mat Paginator not working in this particular table. I’m using ngif to toggle some content on the page, but in almost always when I open the page for the first time the events don’t fire correctly, if I pop the page from the stack and re-open it everything works smooth as butter. <ng-template [ngIf]="condition" [ngIfElse]="elseBlock"> Content to render when condition is true. Aug 13, 2018 · ngFor and ngIf not working. rariancom opened this issue Jan 7, 2016 · 7 comments Comments. What that means is that the ChangeDetector will only run when (a) an HTML event is fired inside the component, e. Follow edited Oct 10, 2017 at 9:01. Jan 7, 2016 · ngIf not working with an @Input() value #6318. component for example and inside the bus. We can't debug your project and till we've got a reproduce scenario in which we can see a bug there is not much we can do. type, and it's a non-zero-length string. ng-if condition in angularJs. Viewed 17k times 2 . Hot Network Questions What is the origin of "litera" versus "littera"? Nov 20, 2021 · I just created a new Angular 13 project and ran into the issue, that any *ngIf statement is not just ignored, but the whole div is not shown at all. 88. ng-if doesn't work properly on a function. Sep 20, 2022 · If you are using the style that Mosh demonstrated, it will not work. Using a setter on the ViewChild fixed the issue for the initial load but in my case when I would rebind the table datasource later (such as after editing an entry in the table and wanting to refresh the table rows), the sorting stopped working again. html is not toggling between showing or hiding as I expected. Feb 11, 2018 · angular 4 *ngIf not working as expected. 210 *ngIf else if in template. I have also tried putting the paginator outside of the element wrapped in the ngIf. Viewed 576 times 1 . The strange thing is that it's showing in the markup, but not on the actual page! In fact, with the below mock data, if I change "DCT111" to "DCT112" then "Batman - " shows up! Agreed! ngIf shouldn't be considered when working with larger data to be rendered often. angular 6 + show hide element with ngIf doesn't work. When using a function to show/hide with *ngIf the block is not updated in the html. and the . on the fact that numbers won't work as expected. module file declaration: Nov 27, 2017 · In my angular 5 app, [ngStyle] is not expanding to style attribute. Modified 6 years, 5 months ago. You can review the HTML code below: Mar 25, 2020 · if condition is not true element is not going to be part of html dom and not get displayed, if true then element get displayed and going to be part of html dom. Mar 31, 2017 · I’m still new to Ionic but I have started to get the grips of it, however I’m experiencing some odd behaviour and not sure what’s causing it. ionic 4 using modals via the modalcontroller. Jul 18, 2016 · it is working well with plunkr but not on my machine. angular 4 *ngIf not working as expected. ReceivedPaymentsPage SubmitPaymentsComponent FormElemntValidationComponent. 3 The parent component import { ActivatedRoute } from '@angular/router'; import { Aug 12, 2021 · I have a variable defined as a boolean type and I have a function that at the click of a button changes the value from true to false. Aug 17, 2020 · angular 4 *ngIf not working as expected. Copy link rariancom commented Jan 7, 2016. 5. Angular 9 - animations and *ngIf condition. ngIf can be considered in cases where the page is extremely larger and we need to render large data through an API call or something. Angular, ng-templates with if condition. May 8, 2019 · by adding [hidden] in paginator outside the *ngIf that works for me. x. display]='isRelease===true', then it is working as desired, but I want to know the exact reason why ngIf is not working here and what are the possible solutions. service. 0 *ngIf doesnt work all the time. why *ngIf doesnt'work with ng-template? 0. Mar 13, 2017 · NgIf-Else condition does not work properly. When we work with just the already rendered page's sections like navbars, hidden attribute is way faster. authenticated; } According to the logs, 'authenticated' is changing between true and false correctly, but the Ngif isn't responding to the changes somehow. I'm on Angular 8. Modified 7 years, 1 month ago. Struggle in *ngIf in angular. ngIf Does not work as expected in Angular 6. Documentation says: ngIf evaluates the expression and then renders the then or else template in its place when expression is truthy or falsy respectively. In this case you will see an error like "can't bind to ngIf since it isn't a known property of 'div'" May 30, 2017 · <ng-template *ngIf="something; else somethingElse">this is true</ng-template> doesn't work properly - only else branch is showed. "Truck"), but not anymore. 0 *ngif not binding to variable on page. /questionaire. 2. if statement in angularjs is not working. component. 3 *ngIf not working, only when something change on ionic page. Jun 3, 2023 · Today, we will look at a new way to handle this problem. Aug 8, 2017 · ngIf not working. 4. Hot Network Questions May 5, 2014 · With reference to the earlier post on ng-if within DIV for reference the link given here :: Ng-If within DIV, however when i tried the same with ng-if inside table with ng-repeat on td it doesn't seems to work well. hope this helps The side-effect to this approach is that ng-hide will keep the elements in the dom, while ng-if does not render them at all. 3. How to get element after displaying it using Dec 28, 2017 · This is good example, but it doesn't work as I want, my problem is that I press submit button changeFlag(flag) in car. Sep 17, 2019 · call the ref. paginator = this. Oct 22, 2019 · You are using the ngIfThen syntax which requires trueCondition to be a template as well. But now we have a much better alternative to ngIf : the new @if syntax, which is part of the new template control Jul 25, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. the header component. Dec 19, 2019 · Thanks all for having a healthy discussion here. Chaining ngIf and animation transitions. ngIf-else in template. The issue was the initialisation of isLTEavailable variable inside the ngOnInit which resulted it in being updated back to the original state whenever the function was called. Problem is really strange, because code should work. Then I'm afraid that you will have to dig into the setup you've got on your side. 0 *ngIf won't open a template. Nov 23, 2016 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. In order to catch MatSort component after DOM rendered, set {static:false}: Sep 30, 2019 · I have a parent component with some childs that get rendered based on ngIf evaluation. myFlag = flag everything is fine in my console, but still false in my html page. You can paste the contents of your admin-auth-guard. Ask Question Asked 6 years, 4 months ago. module. disabled] though in part of my app these things didn't work, since I was time poor & wasn't able to investigate my codes deeply I used a trick which is not the best way but it works Sep 28, 2018 · angular 4 *ngIf not working as expected. Ask Question Asked 7 years, 1 month ago. So Angular performs change detection on all components (from top to bottom) every time something changes in your app from something like a user event or data received from a network request. angularjs if else condition does not work. _id==='id' "to emphasize the type of id as a string. Ask Question Asked 6 years, 5 months ago. In Angular 8, the @ViewChild decorator need a second argument {static: true|false}. So something like this: <div *ngNotIf="vm. Aug 9, 2018 · For some reason, no matter what I do, whether I change it to *ngIf="hideIntro == false" or even use [hidden]="hideIntro", it is not working. Dec 4, 2017 · I got it working by not using ng-container for *ngIf but for the iteration with *ngFor and putting the *ngIf on the ion-item: Apr 3, 2018 · If you use the <ng-container> it will not insert any DOM nodes. compare string with ng-if angularjs. Angularjs ng-if is not working. Jul 6, 2017 · ngIf works as expected if value is available at time of rendering; ngIf break any layout (out of order rendering of ngIf elements) if value was delayed (eg: async call) visibility seem to be good alternative; Overall it was unpleasant to find out that what used to work with {N}2. log // 25 My problem is in my ngIf didn't know how to properly use thecompare operator May 2, 2017 · ngIf else not working. Can anybody see why this is not working? Thanks in advance. 0 'ngIf ' on negative statement not working properly. Asking for help, clarification, or responding to other answers. 0. Angular 4, Conditional display with ngIf. SearchRe Feb 14, 2023 · If I use [style. I found the issue with my code and fixed it and now the interpolation works as expected. However, sometimes *ngIf is more concise, such as when determining whether to display a button: Sep 24, 2017 · I'm not sure how exactly I should check the CSS for "hidden", etc, but my CSS is basically non-existing and all other *ngIf on the same component work (although they are checked over form validations and not single attributes). For anyone else who is having issues with this and the CommonModule solution above didn't apply to them. ts where I fetch data from an HTTP Endpoint and pass it to another Component called ListView. The html file I tested this with looks as follow Dec 18, 2019 · angular 4 *ngIf not working as expected. May 20, 2017 · *ngIf is not working. modalCtrl. 0 Apr 18, 2018 · ngIf and formcontrol. mveglbfzwltjoofwhnfexitahhqcnqsuurllkpdnrmbyoqoajbscd