Once created, these custom elements -- a custom counter, for example -- can also be used in other single-page application (SPA) web frameworks such as React and Angular. A sample project, aptly titled Blazor Custom Elements, shows how to do just that, providing examples about how to work with those frameworks and the client-side Blazor WebAssembly component as well as Blazor Server.
A file activation error occurred. The physical file name 'tax.mdf' may be incorrect. Diagnose and correct additional errors, and retry the operation. CREATE DATABASE failed. Some file names listed could not be created. Check related errors.
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 --></configSections>
<connectionStrings>
<clear/>
<add name="Context"
connectionString="Data Source=(localdb)\v11.0; Integrated Security=True; MultipleActiveResultSets=True; AttachDBFilename=tax.mdf"
providerName="System.Data.SqlClient"
/>
</connectionStrings>
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
<parameters >
<parameter value="v11.0"/>
</parameters>
</defaultConnectionFactory>
</entityFramework>
<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration> Simple, elegant spark lines for Angular Demo
A set of composable and extensible Angular 2 directives for building SVGs with D3 declaritively. This library provides functionality for basic charts out of the box, but it can be easily extended to support building declarative syntaxes for just about any SVG generated by D3. Demo
Angular 16 CRUD with .NET 7 Web API using Entity Framework Core - Full Course
📑 Contents:
00:00:00 Video Introduction
00:00:40 Angular and ASP.NET Core Udemy Course Demo
00:03:07 Prerequisites
00:03:37 Setting Up Development Environment
00:15:37 Create ASP.NET Core Web API
00:20:07 Understanding Files and Folder Structure
00:25:37 Understanding REST and HTTP Verbs
00:30:10 Create .NET 6 Web API
00:32:41 Our Project and Domain Models
00:41:16 Installing Nuget Packages For Entity Framework Core
00:43:06 DbContext
00:59:26 Running EF Core Migrations
01:03:26 Create Controllers and Actions
01:23:46 Repository Pattern
01:36:46 Create New Angular Application using Angular CLI
01:50:09 Angular Components
02:13:29 CRUD in Angular and ASP.NET Core Web APIs
02:17:21 Angular Forms
02:26:59 Angular Services
02:38:09 CORS
02:42:09 Unsubscribing
Angular 6 is out! The most outstanding changes are in its CLI and how services get injected. If you are looking to write your very first Angular 6 app—or Angular/Firebase app—in this tutorial, we’ll go over the basic steps of initial setup and create a small diary app.
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="icon" type="image/x-icon" href="favicon.ico">
<title>newTitle ...</title>
<base href="/">
<meta name="description" content="Angular meta service">
<meta name="author" content="DNT">
<meta name="keywords" content="Angular, Meta Service">
<meta name="twitter:card" content="summary">
<meta name="twitter:site" content="@my_site">
<meta name="twitter:title" content="Front-end Web Development">
<meta name="twitter:description" content="Learn frontend web development...">
<meta name="twitter:image" content="https://site/images/image.png">
<meta name="author" content="Other Author">
</head> import { Component, OnInit } from "@angular/core";
import { Meta, Title } from "@angular/platform-browser";
@Component({
selector: "app-seo-tests",
templateUrl: "./seo-tests.component.html",
styleUrls: ["./seo-tests.component.css"]
})
export class SeoTestsComponent implements OnInit {
constructor(private metaService: Meta, private titleService: Title) {
} // addTag & addTags
this.metaService.addTag({ name: "description", content: "How to optimize your Angular App for search engine and other crawlers." });
this.metaService.addTag({ name: "author", content: "DNT" });
this.metaService.addTag({ name: "keywords", content: "Angular, Meta Service" });
// Or
this.metaService.addTags([
{ name: "description", content: "How to optimize your Angular App for search engine and other crawlers." },
{ name: "author", content: "DNT" },
{ name: "keywords", content: "Angular, Meta Service" }
], false); // --> forceCreation = false
this.metaService.addTag({ name: "twitter:card", content: "summary_large_image" });
this.metaService.addTag({ name: "twitter:site", content: "@my_site" });
this.metaService.addTag({ name: "twitter:title", content: "Front-end Web Development" });
this.metaService.addTag({ name: "twitter:description", content: "Learn frontend web development..." });
this.metaService.addTag({ name: "twitter:image", content: "https://site/images/image.png" });
// Or
this.metaService.addTags([
{ name: "twitter:card", content: "summary_large_image" },
{ name: "twitter:site", content: "@my_site" },
], false); // --> forceCreation = false // getTag & getTags
const viewport = this.metaService.getTag("name=viewport");
if (viewport) {
console.log(viewport.content); // width=device-width, initial-scale=1
}
const author = this.metaService.getTag("name=author");
if (author) {
console.log(author.content); // DNT
}
this.metaService.addTag({ name: "author", content: "DNT" });
this.metaService.addTag({ name: "author", content: "Other Author" }, true);
const authors = this.metaService.getTags("name=author");
console.log(authors[0]); // <meta name="author" content="DNT">
console.log(authors[1]); // <meta name="author" content="Other Author"> // updateTag
this.metaService.addTag({ name: "twitter:card", content: "summary_large_image" });
this.metaService.updateTag({ name: "twitter:card", content: "summary" }, `name='twitter:card'`);
this.metaService.updateTag({ name: "description", content: "Angular meta service" }); // removeTag & removeTagElement
this.metaService.removeTag("charset");
// Or
const chartsetTag = this.metaService.getTag("charset");
if (chartsetTag) {
this.metaService.removeTagElement(chartsetTag);
} // Setting the browser page Title in an Angular app
const currentTitle = this.titleService.getTitle();
console.log(currentTitle);
this.titleService.setTitle("newTitle ..."); const routes: Routes = [
{
path: "seo", component: SeoTestsComponent,
data: {
title: "Page Title",
metaTags: {
description: "Page Description or some content here",
keywords: "some, keywords, here, separated, by, a comma"
}
}
}
]; import { Injectable } from "@angular/core";
import { Title, Meta } from "@angular/platform-browser";
import { Router, NavigationEnd, ActivatedRouteSnapshot } from "@angular/router";
@Injectable()
export class SeoService {
constructor(private titleService: Title, private metaService: Meta, private router: Router) { }
enableSeo() {
this.router.events
.filter(event => event instanceof NavigationEnd)
.distinctUntilChanged()
.subscribe(() => {
this.addMetaData(this.router.routerState.snapshot.root);
});
}
private addMetaData(root: ActivatedRouteSnapshot): void {
if (root.children && root.children.length) {
this.addMetaData(root.children[0]);
} else if (root.data) {
this.setTitle(root.data);
this.setMetaTags(root.data);
}
}
private setMetaTags(routeData: { [name: string]: any; }) {
const routeDataMetaTagsKey = "metaTags";
const metaTags = routeData[routeDataMetaTagsKey];
if (!metaTags) { return; }
for (const tag in metaTags) {
if (metaTags.hasOwnProperty(tag)) {
const newTag = { name: tag, content: metaTags[tag] };
console.log("new tag", newTag);
this.metaService.addTag(newTag);
}
}
}
private setTitle(routeData: { [name: string]: any; }) {
const routeDataTitleKey = "title";
const title = routeData[routeDataTitleKey];
if (title) {
console.log("new title", title);
this.titleService.setTitle(title);
}
}
} this.router.events
.filter(event => event instanceof NavigationEnd)
.distinctUntilChanged()
.subscribe(() => {
this.addMetaData(this.router.routerState.snapshot.root);
}); import { SeoService } from "./seo-service";
@NgModule({
providers: [
SeoService
]
})
export class CoreModule {} import { SeoService } from "./core/seo-service";
export class AppComponent {
constructor(private seoService: SeoService) {
this.seoService.enableSeo();
}
} 
This document describes the plan for .NET Standard 2.1, which includes the definition of its API surface.
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
FormsModule,
AppRoutingModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }