WebYou can use the await keyword in conjunction with the Task.WhenAll() method to asynchronously wait for all tasks in a collection to complete. Here's an example of how to use await with Task.WhenAll() in conjunction with IEnumerable.ForEach():. csharpvar tasks = new List(); // iterate over the items using LINQ and add a task for each … http://duoduokou.com/csharp/26553313287578275088.html
Types Of Parallelism In C# - c-sharpcorner.com
WebJul 19, 2012 · As you noticed, this doesn't work with async - await, where you want to release the thread for the duration of the async call. You could “fix” that by blocking the ForEach () threads, but that defeats the whole point of async - await. What you could do is to use TPL Dataflow instead of Parallel.ForEach (), which supports asynchronous Task … WebJun 2, 2016 · If you want to read the files in sequence, you cannot use forEach indeed. Just use a modern for … of loop instead, in which await will work as expected: async function printFiles () { const files = await getFilePaths (); for (const file of files) { const contents = await fs.readFile (file, 'utf8'); console.log (contents); } } tow runner
Скриптинг в C# или динамическое выполнение в runtime
WebMar 2, 2016 · The task represents ongoing work. That means the await operator blocks the execution of the for loop until it get a responds from the server, making it sequential. What you can do is create all the task (so that it begins execution) and then await all of them. Here's an example from another StackOverflow question. WebJan 5, 2024 · The most basic and simplest answer is to not use forEach () with your async/await. After all, if forEach () is not designed for asynchronous operations, why expect it to do something it isn't made to do naturally. For....of will work perfectly for any usecase you may have where you want to use forEach. WebOct 1, 2013 · This can provide significantly better overall performance, especially if the loop body has a small amount of work per item. If this is the case, you can combine both options by writing: await Task.Run ( () => Parallel.ForEach (strings, s => { DoSomething (s); })); Note that this can also be written in this shorter form: tow safe perth