Slowly, after handling concurrency in the ASP.NET MVC application, we are approaching the end of the video tutorial series. Implementing inheritance is the prelast one and it is actually pretty an important one as well. In the video, the following…
Tag: ASP.NET
C# – Read related data – ASP.NET MVC with EF Core – Video
After creating a complex data model, now it is time to display the data, following the tutorial. The task is actually a challenging one, as far as the data display is in a way partial – in the “Instructors” view,…
C# – Create a complex data model – ASP.NET MVC with EF Core – Video
Creating a complex data model with the previous data model in ASP.NET is actually a challenging task. The model in general looks like this: It is not “extremely” complex, but it is something bigger than the previous 3 tables that…
C# – Using Migrations – ASP.NET MVC with EF Core – Video
Migrations in C# are quite well facilitated by the EntityFramework. In general, when an application with databse is created, initially the database model is taken from the model classes. When these models classes change, then they get out of sync…
C# – Add sorting, filtering, and paging – ASP.NET MVC – Video
Sorting, filtering, paging and summary of an app are quite important features. In this video, which is a continuation of the Microsoft tutorial, I present step-by-step how to do each one of these. It is quite a large video, but…
C# – Implement CRUD Functionality – ASP.NET MVC with EF Core – Video
This is the second video of the Microsoft tutorials, for ASP.NET MVC with Entity Framework Core: Continuing the previous video, in this one the following tasks are carried out: Customize the Details page Update the Create page Update the Edit…
C# – Get started with EF Core in an ASP.NET MVC Web App – Video
Lately, I have started with creating video tutorials for ASP.NET. Thus, today it is time to deep dive in the ASP.NET once again, following the Microsoft tutorial for ASP.NET MVC Web App from here. In the video below, the following…
C# – Create a web app with ASP.NET Core MVC – Video
Creating a web application with ASP.NET could look as a hard task. Still, with the pre-built MVC models from Visual Studio, the task is a bit easier. This is how the application looks like, with 2 search buttons and fully…
C# – Create a web API with ASP.NET Core – Video
Web API with Visual Studio 2019 is quite a bolierplate task – it is doable in less than 45 minutes, following the Microsoft.com tutorial: The video tutorial is here: The TodoController , implementing the CRUD actions looks like this:
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using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using Microsoft.AspNetCore.Mvc; using Microsoft.EntityFrameworkCore; using TodoApi.Models; namespace TodoApi.Controllers { [ApiController] [Route("api/[controller]")] public class TodoController : Controller { private readonly TodoContext _context; public TodoController(TodoContext context) { _context = context; if (_context.TodoItems.Count() == 0) { _context.TodoItems.Add(new TodoItem { Name = "Learn VBA" }); _context.SaveChanges(); } } //GET: api/Todo [HttpGet] public async Task<ActionResult<IEnumerable<TodoItem>>> GetTodoItems() { return await _context.TodoItems.ToListAsync(); } //GET: api/Todo/3 [HttpGet("{id}")] public async Task<ActionResult<TodoItem>> GetTodoItem(long id) { var todoItem = await _context.TodoItems.FindAsync(id); if (todoItem== null) { return NotFound(); } return todoItem; } //POST: api/Todo [HttpPost] public async Task<ActionResult<TodoItem>> PostTodoItem(TodoItem item) { _context.TodoItems.Add(item); await _context.SaveChangesAsync(); return CreatedAtAction(nameof(GetTodoItem), new { id = item.Id }, item); } //PUT: api/Todo/3 [HttpPut("{id}")] public async Task<IActionResult> PutTodoItem(long id, TodoItem item) { if (id!=item.Id) { return BadRequest(); } _context.Entry(item).State = EntityState.Modified; await _context.SaveChangesAsync(); return NoContent(); } //DELETE: api/Todo/3 [HttpDelete("{id}")] public async Task<IActionResult> DeleteTodoItem(long id) { var todoItem = await _context.TodoItems.FindAsync(id); if (todoItem == null) { return NotFound(); } _context.TodoItems.Remove(todoItem); await _context.SaveChangesAsync(); return NoContent(); } } } |
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C# – ASP.NET Core MVC Application with Basic Database Access using Entity Framework – Video
The title somehow looks like random words, picked from a hat at one of those college games we are not supposed to talk about. Anyway, at the second reading it hopefully becomes a bit clearer. And it is simply the…
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