public static void UseDataBase(this IApplicationBuilder app, IServiceProvider serviceProvider)
{
StoreContext storeContext = serviceProvider.GetRequiredService <StoreContext>();
storeContext.Database.Migrate();
StoreDbInitializer applicationDbInitializer = serviceProvider.GetRequiredService <StoreDbInitializer>();
applicationDbInitializer.Initialize().Wait();
}
public static void Main(string[] args)
{
var host = CreateWebHostBuilder(args).Build();
using (var scope = host.Services.CreateScope()) //lager et scope som begrenser levetiden til en variabel
{
var services = scope.ServiceProvider;
var context = services.GetRequiredService <StoreDbContext>();
StoreDbInitializer.Initilaizer(context);
}
host.Run();//vil kjøre en database før applikasjonene kjører
}
public static void Main(string[] args)
{
var host = CreateHostBuilder(args).Build();
using (var scope = host.Services.CreateScope())
{
var services = scope.ServiceProvider;
var context = services.GetRequiredService <StoreDbContext>();
StoreDbInitializer.Initialize(context);
}
host.Run();
}
public static void Main(string[] args)
{
var host = CreateWebHostBuilder(args).Build();
using (var scope = host.Services.CreateScope())
{
try
{
var context = scope.ServiceProvider.GetService <StoreDbContext>();
StoreDbInitializer.Initialize(context);
}
catch (Exception ex)
{
var logger = scope.ServiceProvider.GetRequiredService <ILogger <Program> >();
logger.LogError(ex, "An error occurred while initializing the database.");
}
}
host.Run();
}
static void Main(string[] args)
{
var options = new DbContextOptionsBuilder <StoreDbContext>()
.UseLazyLoadingProxies()
.UseSqlServer(connectionString)
.Options;
var context = new StoreDbContext(options);
context.Database.EnsureDeleted();
StoreDbInitializer.Initialize(context);
var m1 = context.Manufacturers.Find(1);
var m2 = context.Manufacturers.FirstAsync(x => x.ManufacturerId == 2).Result;
var d3 = context.Orders.Where(x => x.OrderId == 2).Select(x => x.Customer.FirstName);
var allOrders = context.Orders.ToListAsync().Result;
Console.ReadKey();
}