10.2 Setting up EF Core

Chap10
Jason Zhu 2022-03-16 22:12:40 +11:00
parent 8518690221
commit 8945220f80
6 changed files with 535 additions and 0 deletions

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Microsoft Visual Studio Solution File, Format Version 12.00
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VisualStudioVersion = 17.1.32228.430
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WorkingWithEFCore", "WorkingWithEFCore\WorkingWithEFCore.csproj", "{91E473E8-0889-481E-A282-22E5E38298C5}"
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using Microsoft.EntityFrameworkCore;
using static System.Console;
namespace Packt.Shared;
public class Northwind : DbContext
{
protected override void OnConfiguring(
DbContextOptionsBuilder optionsBuilder)
{
if (ProjectConstants.DatabaseProvider == "SQLite")
{
string path = Path.Combine(
Environment.CurrentDirectory, "Northwind.db");
WriteLine($"Using {path} database file.");
optionsBuilder.UseSqlite($"Filename={path}");
}
else
{
string connection = "Data Source=.;" +
"Initial Catalog=Northwind;" +
"Integrated Security=true;" +
"MultipleActiveResultSets=true;";
optionsBuilder.UseSqlServer(connection);
}
}
}

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using Packt.Shared;
Console.WriteLine($"Using {ProjectConstants.DatabaseProvider} database provider.");

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namespace Packt.Shared;
public class ProjectConstants
{
public const string DatabaseProvider = "SQLServer"; // or "SQLServer"
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference
Include="Microsoft.EntityFrameworkCore.Sqlite"
Version="6.0.0" />
<PackageReference
Include="Microsoft.EntityFrameworkCore.SqlServer"
Version="6.0.0" />
<None Update="Northwind.db">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
</ItemGroup>
</Project>