In this video we will build a complete full stack Blog Web App using the new Blazor Web App with SSR with .Net 8 | Step by Step | From Scratch to End
You will learn: New Static Server Side Rendering with Blazor, QuickGrid, Enhanced Navigation, Enhanced Forms, Stream Rendering, Image Preview & Upload, Identity Authentication, Interactive Server Render Mode for Admin Panel, and much more
One Blazor Template to Rule Them All in .NET 8
In .NET 8 there is a new project in town that unifies the developing experience between Blazor Server and Blazor Web Assembly application models. In this video we will go over the new template and how we can get started using it!
New Video: An Early Look at C# 11
مرورگرها در آینده مجهز به AI میشن اصلی‌ترین دلیلش هم بحث privacy است؛ حین کار با LLMها مسئله امنیت داده‌ها موضوع به شدت مهمی است؛ روش‌های برای anonymise کردن ورودی‌های این LLMها قابل‌انجام است اما مسئله این است که اگر کانتکست کافی وجود نداشته باشد خروجی به آن اندازه‌ایی که انتظار داریم شاید مفید نباشد. مدتی است گوگل به صورت آزمایشی در حال اضافه کردن امکان استفاده از LLMها (در حال حاضر Gemini Nano) به مرورگر Chrome است. یکی دیگه از مزایای قراردادن LLMها درون مرورگر پاسخگویی سریع به درخواست‌ها میباشد در اینحالت دیگر نیاز به ارسال درخواست به یک Remote LLM کمتر خواهد شد؛ با پائین آمدن latency، کاربران تجربه نزدیک‌تر به real-time را احساس خواهند کرد. لازم به ذکر است این قابلیت به صورت آزمایشی و فعلاً در حد یک proposal میباشد و فقط در نسخه‌های Canary و Dev قابل استفاده میباشد.
Using ASP.NET Web API, MVC and Angular.js to create a Single Page Application (SPA) that supports CRUD operations.
public enum CommentType
{
Article,
Video,
Event
}
public class Comment
{
public int Id { get; set; }
public string CommentText { get; set; }
public string User { get; set; }
public int? TypeId { get; set; }
public CommentType CommentType { get; set; }
}
public class Article
{
public int Id { get; set; }
public string Title { get; set; }
public string Slug { get; set; }
public string Description { get; set; }
}
public class Video
{
public int Id { get; set; }
public string Url { get; set; }
public string Description { get; set; }
}
public class Event
{
public int Id { get; set; }
public string Name { get; set; }
public DateTimeOffset? Start { get; set; }
public DateTimeOffset? End { get; set; }
}
public class MyDbContext : DbContext
{
public DbSet<Article> Articles { get; set; }
public DbSet<Video> Videos { get; set; }
public DbSet<Event> Events { get; set; }
public DbSet<Comment> Comments { get; set; }
protected override void OnConfiguring(DbContextOptionsBuilder options)
=> options.UseSqlite("Data Source=polymorphic.db");
} var articleComments = dbContext.Comments
.Where(x => x.CommentType == CommentType.Article && x.TypeId.Value == 1);
foreach (var articleComment in articleComments)
{
Console.WriteLine(articleComment.CommentText);
} 
public class Comment
{
public int Id { get; set; }
public string CommentText { get; set; }
public string User { get; set; }
public virtual ICollection<ArticleComment> ArticleComments { get; set; }
public virtual ICollection<VideoComment> VideoComments { get; set; }
public virtual ICollection<EventComment> EventComments { get; set; }
}
public class Article
{
public Article()
{
ArticleComments = new HashSet<ArticleComment>();
}
public int Id { get; set; }
public string Title { get; set; }
public string Slug { get; set; }
public string Description { get; set; }
public virtual ICollection<ArticleComment> ArticleComments { get; set; }
}
public class Video
{
public Video()
{
VideoComments = new HashSet<VideoComment>();
}
public int Id { get; set; }
public string Url { get; set; }
public string Description { get; set; }
public virtual ICollection<VideoComment> VideoComments { get; set; }
}
public class Event
{
public Event()
{
EventComments = new HashSet<EventComment>();
}
public int Id { get; set; }
public string Name { get; set; }
public DateTimeOffset? Start { get; set; }
public DateTimeOffset? End { get; set; }
public virtual ICollection<EventComment> EventComments { get; set; }
}
public class MyDbContext : DbContext
{
public DbSet<Article> Articles { get; set; }
public DbSet<ArticleComment> ArticleComments { get; set; }
public DbSet<Video> Videos { get; set; }
public DbSet<VideoComment> VideoComments { get; set; }
public DbSet<Event> Events { get; set; }
public DbSet<EventComment> EventComments { get; set; }
public DbSet<Comment> Comments { get; set; }
protected override void OnConfiguring(DbContextOptionsBuilder options)
=> options.UseSqlite("Data Source=polymorphic.db");
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<ArticleComment>(entity =>
{
entity.HasKey(e => new { e.CommentId, e.ArticleId })
.HasName("PK_dbo.ArticleComments");
entity.HasIndex(e => e.ArticleId)
.HasName("IX_ArticleId");
entity.HasIndex(e => e.CommentId)
.HasName("IX_ArticleCommentId");
entity.HasOne(d => d.Article)
.WithMany(p => p.ArticleComments)
.HasForeignKey(d => d.ArticleId)
.HasConstraintName("FK_dbo.ArticleComments_dbo.Articles_ArticleId");
entity.HasOne(d => d.Comment)
.WithMany(p => p.ArticleComments)
.HasForeignKey(d => d.CommentId)
.HasConstraintName("FK_dbo.ArticleComments_dbo.Comments_CommentId");
});
modelBuilder.Entity<VideoComment>(entity =>
{
entity.HasKey(e => new { e.CommentId, e.VideoId })
.HasName("PK_dbo.VideoComments");
entity.HasIndex(e => e.VideoId)
.HasName("IX_VideoId");
entity.HasIndex(e => e.CommentId)
.HasName("IX_VideoCommentId");
entity.HasOne(d => d.Video)
.WithMany(p => p.VideoComments)
.HasForeignKey(d => d.VideoId)
.HasConstraintName("FK_dbo.VideoComments_dbo.Videos_VideoId");
entity.HasOne(d => d.Comment)
.WithMany(p => p.VideoComments)
.HasForeignKey(d => d.CommentId)
.HasConstraintName("FK_dbo.VideoComments_dbo.Comments_CommentId");
});
modelBuilder.Entity<EventComment>(entity =>
{
entity.HasKey(e => new { e.CommentId, e.EventId })
.HasName("PK_dbo.EventComments");
entity.HasIndex(e => e.EventId)
.HasName("IX_EventId");
entity.HasIndex(e => e.CommentId)
.HasName("IX_EventCommentId");
entity.HasOne(d => d.Event)
.WithMany(p => p.EventComments)
.HasForeignKey(d => d.EventId)
.HasConstraintName("FK_dbo.EventComments_dbo.Events_EventId");
entity.HasOne(d => d.Comment)
.WithMany(p => p.EventComments)
.HasForeignKey(d => d.CommentId)
.HasConstraintName("FK_dbo.EventComments_dbo.Comments_CommentId");
});
}
} var article = new Article
{
Title = "Article A",
Slug = "article_a",
Description = "No Description"
};
var comment = new Comment
{
CommentText = "It's great",
User = "Sirwan"
};
dbContext.ArticleComments.Add(new ArticleComment
{
Article = article,
Comment = comment
});
dbContext.SaveChanges();
var articleOne = dbContext.Articles
.Include(article => article.ArticleComments)
.ThenInclude(comment => comment.Comment)
.First(article => article.Id == 1);
var article1Comments = articleOne.ArticleComments.Select(x => x.Comment);
Console.WriteLine(article1Comments.Count()); 
public class Comment
{
public int Id { get; set; }
public string CommentText { get; set; }
public string User { get; set; }
// Article
public virtual Article Article { get; set; }
public int? ArticleId { get; set; }
// Video
public virtual Video Video { get; set; }
public int? VideoId { get; set; }
// Event
public virtual Event Event { get; set; }
public int? EventId { get; set; }
}
public class Article
{
public int Id { get; set; }
public string Title { get; set; }
public string Slug { get; set; }
public string Description { get; set; }
public virtual ICollection<Comment> Comments { get; set; }
}
public class Video
{
public int Id { get; set; }
public string Url { get; set; }
public string Description { get; set; }
public virtual ICollection<Comment> Comments { get; set; }
}
public class Event
{
public int Id { get; set; }
public string Name { get; set; }
public DateTimeOffset? Start { get; set; }
public DateTimeOffset? End { get; set; }
public virtual ICollection<Comment> Comments { get; set; }
}
public class MyDbContext : DbContext
{
public DbSet<Article> Articles { get; set; }
public DbSet<Video> Videos { get; set; }
public DbSet<Event> Events { get; set; }
public DbSet<Comment> Comments { get; set; }
protected override void OnConfiguring(DbContextOptionsBuilder options)
=> options.UseSqlite("Data Source=polymorphic.db");
} protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Comment>(entity =>
entity.HasCheckConstraint("CHECK_FKs",
"(`ArticleId` IS NOT NULL) AND (`VideoId` IS NOT NULL) AND (`EventId` IS NOT NULL)"));
} var articles = dbContext.Articles
.Include(x => x.Comments).Where(x => x.Id == 1);
foreach (var article in articles)
{
Console.WriteLine($"{article.Title} - Comments: {article.Comments.Count}");
}
var comment = dbContext.Comments.Include(x => x.Article)
.FirstOrDefault(x => x.Id == 1);
Console.WriteLine(comment?.Article.Title); In this post, I will describe how to port a desktop application from .NET Framework to .NET Core. I picked a WinForms application as an example. Steps for WPF application are similar and I’ll describe what needs to be done different for WPF as we go. I will also show how you can keep using the WinForms designer in Visual Studio even though it is under development and is not yet available for .NET Core projects.
This sample shows you how to use SQL Server Language Extensions to create a .NET Core C# program that receives two columns (ID and text) from SQL Server and a regular expression as an input parameter. The class returns two columns back to SQL Server (ID and text).
Lessons learned from making a video course for Pluralsight
