Dotnet notes

Dotnet core

dotnet tool install --global dotnet-ef --version 3.0.0
dotnet ef
dotnet new web

    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="3.1.1">
      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
      <PrivateAssets>all</PrivateAssets>
    </PackageReference>
    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.1" />
  </ItemGroup>```

services.AddDbContext<AspDbContext>(options =>
       options.UseSqlServer(config.GetConnectionString("optimumDB")));
pdate do not forget to add using Microsoft.EntityFrameworkCore; namespace```

{
    "Data":{
        "CommandAPIConnaction":{
            "ConnectionString":"Server=127.0.0.1;Database=test;User=sa;Password=mahesh619619@Key;Trusted_Connection=False"
        }
    }
}

Startup class
using Swashbuckle.AspNetCore.Swagger;

Inside ConfigureServices

services.AddSwaggerGen(c => {
                c.SwaggerDoc("v1", new Info {Title="My Core API", Description="Swagger" });
 });

Inside Configure

app.UseSwagger();
           app.UseSwaggerUI(c =>
           {
               c.SwaggerEndpoint("/swagger/v1/swagger.json","Core API");
});