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Add example Explicit Loading function.

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This commit is contained in:
Kevin Matsubara 2025-04-07 14:02:25 +02:00
parent 8103c682cf
commit 3652a69730
1 changed files with 23 additions and 0 deletions
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23
EntityFrameworkCore.Console/Program.cs
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@ -15,6 +15,29 @@ context.Database.EnsureCreated();
// Rather than raise: "System.InvalidOperationException: Sequence contains no elements." // Rather than raise: "System.InvalidOperationException: Sequence contains no elements."
// var firstCoach = await context.Coaches.FirstOrDefaultAsync(); // var firstCoach = await context.Coaches.FirstOrDefaultAsync();
await ExplicitLoadingExample();
async Task ExplicitLoadingExample()
{
var league = await context.FindAsync<League>(1);
if (!league.Teams.Any())
{
Console.WriteLine("Teams have not been loaded.");
}
await context.Entry(league)
.Collection(l => l.Teams)
.LoadAsync();
if (league.Teams.Any())
{
foreach (var team in league.Teams)
{
Console.WriteLine($"{team.Name}");
}
}
}
async Task EagerLoadingExample() async Task EagerLoadingExample()
{ {
var leagues = await context.Leagues var leagues = await context.Leagues