net-core
  1. net-core-introduction-to-blazor

Introduction to Blazor

Blazor is an open-source .NET web framework that allows developers to create web applications using C# and HTML. It is built on top of WebAssembly, which is a binary instruction format for a stack-based virtual machine. This page introduces Blazor and provides an overview of its features and benefits.

Syntax

Blazor allows developers to use C# and HTML to create web applications. The syntax for Blazor is similar to traditional HTML and ASP.NET, but with a few key differences. Here's an example of a simple Blazor component:

@page "/counter"

<h1>Counter</h1>

<p>Current count: @currentCount</p>

<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>

@code {

    private int currentCount = 0;

    private void IncrementCount()
    {
        currentCount++;
    }

}

Example

The following example demonstrates a basic Blazor application that displays a list of items and allows the user to add and remove items from the list.

@page "/"

<h1>My Todo List</h1>

<input @bind="newItemText" type="text" />
<button @onclick="AddItem">Add</button>

<ul>
    @foreach(var item in items)
    {
        <li>@item</li>
    }
</ul>

@code {

    private List<string> items = new List<string>();
    private string newItemText;

    private void AddItem()
    {
        items.Add(newItemText);
        newItemText = "";
    }

}

Output

Blazor applications can be run on any modern web browser, without the need for additional plugins or runtime environments. When a user navigates to a Blazor application, the application is downloaded and executed on the user's device.

Explanation

Blazor allows developers to build web applications using C# instead of JavaScript. This means that developers can use the same language and tools for both client and server-side development. Blazor uses WebAssembly to execute compiled .NET code in the browser, which provides fast performance and allows developers to build complex applications.

Use

Blazor is ideal for building single-page applications that require a high degree of interactivity. It provides a modern, component-based architecture that allows developers to create reusable UI elements and simplify complex application logic. Blazor is also a good choice for developers who are already familiar with C# and .NET, as it allows them to use familiar tools and frameworks.

Important Points

  • Blazor is a .NET web framework that allows developers to create web applications using C# and HTML.
  • Blazor uses WebAssembly to execute .NET code in the browser.
  • Blazor is ideal for building single-page applications that require a high degree of interactivity.

Summary

This page provided an introduction to Blazor, a .NET web framework that allows developers to create web applications using C# and HTML. We covered the syntax, example, output, explanation, use, and important points of Blazor. By providing a modern, component-based architecture, Blazor allows developers to create powerful web applications using familiar tools and frameworks.

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