WebJan 29, 2024 · 2 Answers. var blogs = await context.Blogs .Where (blog => blog.Url.Contains ("dotnet")) .ToListAsync (); var groupedBlogs = blogs.GroupBy (t => t.BlobNumber).Select (b => b).ToList (); This is what I ended up going with. It is simple and it works. This query isn't trying to group data in the SQL/EF Core sense. WebThe Where clause doesn't actually do anything, it's deferred execution. You can just use FirstAsync, ToListAsync, or ToArrayAsync with Where. In your code, you should remove the AsQueryable () part. Without it, you should be OK: await _context.Set ().Where (selector).ToArrayAsync ();
c# - FindAsync and Include LINQ statements - Stack Overflow
WebMay 16, 2024 · Note that this is a pre .NET Core 3.x answer. Find an update in the comment of @IanKemp here below. Go for option 1 ToListAsync as the source code of AsAsyncEnumerable explicitly mentions. This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as … WebDec 10, 2024 · Dependency injection creates a DbContext object that lives for the life of the HTTP request. Once the response is returned to the client, the scope ends and the DbContext is disposed. That exception happens when your code that uses your DbContext runs after the response is returned and the DbContext has already been disposed. – … brown\u0027s shoe fit shenandoah iowa
c# - Difference between "ToListAsync()" and ... - Stack Overflow
WebEntity Framework Core does not support multiple parallel operations being run on the same DbContext instance. This includes both parallel execution of async queries and any explicit concurrent use from multiple threads. Therefore, always await async calls immediately, or use separate DbContext instances for operations that execute in parallel. WebEntity Framework Core does not support multiple parallel operations being run on the same DbContext instance. This includes both parallel execution of async queries and any explicit concurrent use from multiple threads. Therefore, always await async calls immediately, or use separate DbContext instances for operations that execute in parallel. WebFeb 28, 2024 · Download PDF. For Azure SQL DB, Entity Framework (EF) Core already provides internal database connection resiliency and retry logic. But you need to enable the Entity Framework execution strategy for each DbContext connection if you want to have resilient EF Core connections. For instance, the following code at the EF Core … brown\u0027s shoe fit west des moines