I am trying to display a toaster notification inside a component. But I am getting this error. ERROR Error: No provider for ToastsManager! Following is the code for my component. I think there is a problem with injecting ToastsManager but I can not figure out what has gone wrong. Can someone please help me? A…
Tag: angular
Variable isnt displaying in console log outside of function in angular
I am trying to use a variable in another function to create a map marker using angular. i got the data to be stored in the function and display on the console within one function however when using the data in another function it does not work: component.ts: Service: This function gets the data entry and stor…
md-autocomplete when selecting a dropdown item object it says [Object Object]
I have this autocomplete and right now selectedOfficial returns [Object Object] in my drop down once I select an option. The drop down options as of now display perfectly, the name and email. But once I select the user, I want only the users name to show as the final selected option. Right now I am using sele…
Cannot assign to read only property ‘winner’ of object ‘[object Object]’
I’m encountering the error when I try to make the assignment this.contest.winner = winnerId; you see in the following code snippet: I’ve done this kind of assignment with other classes around the project and they never bothered me. I enclose the contest class and post if it is useful: I also tried…
Angular make subscribe to wait for response
I’m trying to subscribe to an Observable and assign some data from the response, but somehow my code it’s not waiting for the response. Basically the console.log(this.newIds) is runned first and is always empty because the subscribe doesn’t wait for response to come from the backend. How I c…
Angular: Scroll and focus to first invalid control in nested form once form has been submitted
I am trying to scroll and focus invalid control in form onsubmit. If I am using single form element its working as expected but when I am using nested form element not working. please find the sample example here stackblitz. How to scroll to invalid control and focus in nested forms on submit rootform. Answer…
adding ang removing row
I have a grid array of objects and it has default data from the database , now on the front end the data are being displayed on the table/grid and user can add row and delete row , when I add a row I only want to insert an empty object. my issue is when I add a row duplicate
javascript typescript create a object
i have a property like this “data.property” = “16165456”.. i try to create a object like this i use split and and loop but not work Answer A few issues: currentObject[part] = currentObject[part] is a statement that accomplishes nothing. You’d want to indicate what to assign when …
Wait to resolve Nested loops in a Typescript Subscribe
Objective: I want to wait for all the nested loops to process before I can return final value. Issue: Final value is returned before all the loops are processed. In the below code I am sending paramListToComplete to a data service to create a record and get that new record in the same call, so that I can set …
What is the proper way to update a parent component with a shared service in ngOnInit – Angular 13
I’ve come across a situation a few times where I use a shared service in a component’s ngOnInit to update a value in another component, which just so happens to be a parent. This results in the infamous Error: NG0100: Expression has changed after it was checked in development mode, and change dete…