Most answered questions in Angular

0 votes
3 answers

How to load external scripts dynamically in Angular?

Hello kartik, You can use following technique to ...READ MORE

Apr 22, 2020 in Angular by Niroj
 • 82,840 points • 63,771 views
0 votes
2 answers

How to access session variables from any class in ASP.NET?

Accessing session Variable in a class file ...READ MORE

Sep 3, 2020 in Angular by Okugbe
 • 280 points • 3,825 views
0 votes
2 answers

Error:React.createElement: type is invalid — expected a string (for built-in components) or a class/function (for composite components) but got: object

The issue you have encountered was caused ...READ MORE

Dec 16, 2020 in Angular by Gitika
 • 65,910 points • 41,615 views
0 votes
2 answers

How to detect a route change in Angular?

Hii Kartik For Angular 7 someone should write like: this.router.events.subscribe((event: Event) ...READ MORE

Apr 22, 2020 in Angular by Niroj
 • 82,840 points • 26,711 views
0 votes
1 answer

How to call a node function from Angular ?

Hello, For your query you can refer this:https://www.codegrepper.com/code-examples/javascript/how+to+call+a+function+when+a+button+is+clicked+in+javascript Hope ...READ MORE

Nov 9, 2020 in Angular by Niroj
 • 82,840 points • 1,104 views
0 votes
1 answer

How can I get current route

Hello @Ava, Try this this.router.events.filter((event: any) => event instanceof ...READ MORE

Sep 14, 2020 in Angular by Niroj
 • 82,840 points • 231 views
0 votes
1 answer

How do I detect a click outside an element?

Hello @kartik, Attach a click event to the ...READ MORE

Sep 10, 2020 in Angular by Niroj
 • 82,840 points • 2,222 views
0 votes
1 answer

How to make FileReader work with Angular?

Hello @kartik, First you have to specify the ...READ MORE

Sep 8, 2020 in Angular by Niroj
 • 82,840 points • 18,606 views
0 votes
1 answer

What does this construct look like in Typescript for Angular ?

Hello @kartik, try this. selectChildren(data, $event) { ...READ MORE

Sep 8, 2020 in Angular by Niroj
 • 82,840 points • 223 views
0 votes
1 answer

How to synchronise Angular http get?

Hello @kartik,  the only way around this: wrap ...READ MORE

Sep 8, 2020 in Angular by Niroj
 • 82,840 points • 6,377 views
0 votes
1 answer

How to Stop observable.timer in Angular?

Hello @kartik, There're are basically two ways: call unsubscribe() on the ...READ MORE

Sep 8, 2020 in Angular by Niroj
 • 82,840 points • 10,005 views
0 votes
1 answer

How to check empty object in angular template using *ngIf?

Hello @kartik, Use this: <div class="comeBack_up" *ngIf="(previous_info | json) ...READ MORE

Sep 8, 2020 in Angular by Niroj
 • 82,840 points • 12,248 views
0 votes
1 answer

How do I include a JavaScript script file in Angular and call a function from that script?

Hello @kartik, Refer the scripts inside the angular-cli.json (angular.json when using ...READ MORE

Sep 8, 2020 in Angular by Niroj
 • 82,840 points • 11,504 views
0 votes
1 answer

How to get current value of RxJS Subject or Observable?

Hello @kartik, A Subject or Observable doesn't have a current value. When ...READ MORE

Sep 8, 2020 in Angular by Niroj
 • 82,840 points • 11,090 views
0 votes
1 answer

How do I retrieve the Width and Height from this event object?

Hello @kartik, Use: <div (window:resize)="onResize($event)" onResize(event) { event.target.innerWidth; } or using ...READ MORE

Sep 8, 2020 in Angular by Niroj
 • 82,840 points • 2,750 views
0 votes
1 answer

Error:Cannot read property 'remove' of undefined at BrowserDomAdapter.removeClass

Hello @kartik, There are several ways to add ...READ MORE

Sep 8, 2020 in Angular by Niroj
 • 82,840 points • 2,217 views
0 votes
1 answer

How to know tools and bundlers after create a new workspace or a project in angular?

Hello @sajal, When you create projects and workspaces ...READ MORE

Aug 6, 2020 in Angular by Niroj
 • 82,840 points • 336 views
0 votes
1 answer

How to do a Jquery Callback after form submit?

Hello @kartik, Just do like this - $("#myform").bind('ajax:complete', function() ...READ MORE

Jul 24, 2020 in Angular by Niroj
 • 82,840 points • 6,086 views
0 votes
1 answer

ow can I use Server.MapPath() from global.asax?

Hello @kartik, You could try System.Web.Hosting.HostingEnvironment.MapPath(). No HttpContext required. Hope ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 558 views
0 votes
1 answer

How can I strip HTML tags from a string in ASP.NET?

Hello @Kartik, If it is just stripping all HTML tags ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 986 views
0 votes
1 answer

How to return raw string with ApiController?

Hello @kartik, You could have your Web Api ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 2,608 views
0 votes
1 answer

How to allow download of .json file with ASP.NET?

Hello @kartik, If you want to manually add ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 1,351 views
0 votes
1 answer

How do you bind an Enum to a DropDownList control in ASP.NET?

Hello @kartik, I probably wouldn't bind the data as it's ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 1,880 views
0 votes
1 answer

How to add “active” class to Html.ActionLink in ASP.NET MVC?

Hello @kartik, The way you handle your UI ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 4,859 views
0 votes
1 answer

How to create a URL in the controller .NET MVC?

Hello @kartik, If you just want to get ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 3,468 views
0 votes
1 answer

How to disable postback on an asp Button?

Hello @kartik, Use: YourButton.Attributes.Add("onclick", "return false"); or <asp:button runat="server" ... OnClientClick="return ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 5,024 views
0 votes
1 answer

How to increase request timeout in IIS?

Hello @kartik, To Increase request time out add ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 5,193 views
0 votes
1 answer

How to set session timeout in web.config?

Hello @kartik, If you want to set the ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 4,214 views
0 votes
1 answer

Error: allowDefinition='MachineToApplication' beyond application level

Hello @kartik, This error occurs when you attempt ...READ MORE

Jul 23, 2020 in Angular by Niroj
 • 82,840 points • 2,680 views
0 votes
1 answer

How to specify a port to run a create-react-app based project?

Hello @kartik, You could use cross-env to set the port, ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 4,357 views
0 votes
1 answer

Error: EACCES: permission denied, access '/usr/local/lib/node_modules' react

Hello @kartik, Change your file permissions like this First ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 16,074 views
0 votes
1 answer

Error: Cannot read property 'setState' of undefined

Hello @kartik, This is due to this.delta not being bound ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 2,575 views
0 votes
1 answer

How to update nested state properties in React

Hello @kartik, In order to setState for a nested object ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 8,275 views
0 votes
1 answer

How to get parameter value from query string?

Hello @kartik, Using component <Route path="/users/:id" component={UserPage}/> this.props.match.params.id The component is ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 1,126 views
0 votes
1 answer

Error: Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function but got: object

Hello @kartik, You need export default or require(path).default var ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 2,479 views
0 votes
1 answer

How do I conditionally add attributes to React components?

Hello @kartik, For certain attributes, React is intelligent ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 7,248 views
0 votes
1 answer

How to set focus on an input field after rendering?

Hello @kartik, You should do it in componentDidMount and refs callback instead. ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 1,150 views
0 votes
1 answer

How to pass props to {this.props.children}?

Hello @kartik,  Try using this: <div> ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 2,888 views
0 votes
1 answer

How to loop inside React JSX?

Hello @kartik, You're just calling JavaScript functions. You ...READ MORE

Jul 22, 2020 in Angular by Niroj
 • 82,840 points • 828 views
0 votes
1 answer

Error:XMLHttpRequest GET not working in React.js

Hello @kartik, You should populate data with AJAX ...READ MORE

Jun 4, 2020 in Angular by Niroj
 • 82,840 points • 1,968 views
0 votes
1 answer

How do you import a javascript package from a cdn/script tag in React?

Hello, Go to the index.html file and import ...READ MORE

Jun 4, 2020 in Angular by Niroj
 • 82,840 points • 20,856 views
0 votes
1 answer

Error:setState doesn't update the state immediately

Hello @kartik, The method setState() takes a callback. And ...READ MORE

Jun 4, 2020 in Angular by Niroj
 • 82,840 points • 4,366 views
0 votes
1 answer

Error:Unable to access React instance (this) inside event handler

Hello @kartik, You can use an arrow function together with ...READ MORE

Jun 4, 2020 in Angular by Niroj
 • 82,840 points • 1,346 views
0 votes
1 answer

How to have conditional elements and keep DRY with Facebook React's JSX?

Hello @kartik, Let's define a simple helping If component: var If ...READ MORE

Jun 4, 2020 in Angular by Niroj
 • 82,840 points • 262 views
0 votes
1 answer

Error:Uncaught TypeError: Cannot read property 'setState' of undefined

Hello @kartik, This is due to this.delta not being bound ...READ MORE

Jun 4, 2020 in Angular by Niroj
 • 82,840 points • 681 views
0 votes
1 answer

Error:Parse Error: Adjacent JSX elements must be wrapped in an enclosing tag

Hello @kartik, It is happening because any where ...READ MORE

Jun 4, 2020 in Angular by Niroj
 • 82,840 points • 1,889 views
0 votes
1 answer

How to allow access outside localhost?

Hello kartik, You can use the following command ...READ MORE

Apr 22, 2020 in Angular by Niroj
 • 82,840 points • 6,305 views
0 votes
1 answer

Error:getting “ENOTEMPTY: directory not empty, rmdir …” error on installing express in angular CLI app.

Hello Kartik, Use this command : npm install ...READ MORE

Apr 22, 2020 in Angular by Niroj
 • 82,840 points • 6,472 views
0 votes
1 answer

How to pass a string parameter from angular UI to node.js backend?

Hello Kartik, There are three ways to get ...READ MORE

Apr 22, 2020 in Angular by Niroj
 • 82,840 points • 8,515 views
0 votes
1 answer

Error while installing angular/cli using npm

Hello @kartik, First of all, all the things ...READ MORE

Apr 22, 2020 in Angular by Niroj
 • 82,840 points • 4,359 views
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