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Detecting Your Location With JavaScript 

To Every Programmer Who’s Ever Scanned
Hacker News And /r/programming And Thought...
“How Will I Ever Keep Up?”
Here’s How To Turn “Information Overwhelm”
Into An Efficiency Edge That Can
Quickly Boost Your Income,
Earn You “MVP” Status With Your Team,
And Make You The In-Demand Developer
Companies Are Dying To Recruit
 

namespace BlazorWasmSQLite.Models;

public class Car
{
  public int Id { get; set; }

  public string Brand { get; set; }

  public  int Price { get; set; }
}

using Microsoft.EntityFrameworkCore;
using BlazorWasmSQLite.Models;

namespace BlazorWasmSQLite.Data;

public class ClientSideDbContext : DbContext
{
  public DbSet<Car> Cars { get; set; } = default!;

  public ClientSideDbContext(DbContextOptions<ClientSideDbContext> options) :
    base(options)
  {
  }
}

<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
  <ItemGroup>
    <!-- EF Core and Sqlite -->
    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.1" />
  </ItemGroup>
</Project>

using Microsoft.AspNetCore.Components.Web;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using BlazorWasmSQLite;
using Microsoft.EntityFrameworkCore;
using BlazorWasmSQLite.Data;

var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add<App>("#app");
builder.RootComponents.Add<HeadOutlet>("head::after");

builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });

// Sets up EF Core with Sqlite
builder.Services.AddDbContextFactory<ClientSideDbContext>(options =>
      options
        .UseSqlite($"Filename=DemoData.db")
        .EnableSensitiveDataLogging());

await builder.Build().RunAsync();

@page "/"

@using Microsoft.Data.Sqlite
@using Microsoft.EntityFrameworkCore
@using BlazorWasmSQLite.Data
@using BlazorWasmSQLite.Models


<PageTitle>Index</PageTitle>

<h1>Hello, world!</h1>

Welcome to your new app.

<SurveyPrompt Title="How is Blazor working for you?" />

@code {
  [Inject]
  private IDbContextFactory<ClientSideDbContext> _dbContextFactory { get; set; } = default!;

  protected override async Task OnInitializedAsync()
  {
    await using var db = await _dbContextFactory.CreateDbContextAsync();
    await db.Database.EnsureCreatedAsync();

    // create seed data
    if (!db.Cars.Any())
    {
      var cars = new[]
      {
        new Car { Brand = "Audi", Price = 21000 },
        new Car { Brand = "Volvo", Price = 11000 },
        new Car { Brand = "Range Rover", Price = 135000 },
        new Car { Brand = "Ford", Price = 8995 }
      };

      await db.Cars.AddRangeAsync(cars);
      await db.SaveChangesAsync();
    }

    await base.OnInitializedAsync();
  }
}

crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100] Unhandled exception rendering component:
The type initializer for 'Microsoft.Data.Sqlite.SqliteConnection' threw an exception. System.TypeInitializationException:
The type initializer for 'Microsoft.Data.Sqlite.SqliteConnection' threw an exception. ---> System.Reflection.TargetInvocationException:
Exception has been thrown by the target of an invocation. ---> System.DllNotFoundException: e_sqlite3 at
SQLitePCL.SQLite3Provider_e_sqlite3.SQLitePCL.ISQLite3Provider.sqlite3_libversion_number()

$ git clone https://github.com/cloudmeter/sqlite
$ cd sqlite
$ emcc sqlite3.c -shared -o e_sqlite3.o

<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
  <ItemGroup>
    <!-- EF Core and Sqlite -->
    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.1" />
    <NativeFileReference Include="Data\e_sqlite3.o" />
  </ItemGroup>
</Project>

وب اسمبلی چیست؟

<BlazorMode> ... </BlazorMode>
<WebAppDeploymentType> ... </WebAppDeploymentType>
 

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