Web,c#,linq,lambda,linq-to-objects,C#,Linq,Lambda,Linq To Objects,在IEnumerable中尝试使用asynclambda时,我遇到以下错误。 请选择many: var result = myEnumerable.SelectMany(async (c) => await Functions.GetDataAsync(c.Id)); 方法“IEnumerable”的类型参数 System.Linq.Enumerable.SelectMany(此 … WebApr 3, 2013 · It means we can start writing LINQ queries using the C# query comprehension syntax with operators that rely on SelectMany, e.g. int c = await ( from first in Task .Run ( () => 1) from second in Task .Run ( () => 2) select first + second); Console .WriteLine (c == 3); // will output True
LINQ - Lambda Expressions - TutorialsPoint
WebApr 25, 2014 · Or Refer to the following to use await: protected void Page_Load (object sender, EventArgs e) { if (!IsPostBack) { Task.Run ( () => GetData ()); } } public async Task GetData () { //await () await longwork (); } private Task longwork () { var task = Task.Factory.StartNew ( () => { //USE YOUR LINQ AUERY HERE }); return task; } WebThe Solution to Async await in linq select is. var inputs = events.Select (async ev => await ProcessEventAsync (ev)) .Select (t => t.Result) .Where (i => i != null) .ToList (); But this … teachers on ne
Using C# dynamic Expando Objects and Linq to query Microsoft …
Webpublic async Task> GetMapping (Dictionary> sourceData, Mapper mapper) { var sourceDataTasks = sourceData.Select ( (key, value) => mapper.Transform (key, value)); var transformedItems = await Task.WhenAll (sourceDataTasks); return transformedItems; } and Mapper has the following method WebC# LINQ代码中的异步-澄清?,c#,.net,asynchronous,async-await,task-parallel-library,C#,.net,Asynchronous,Async Await,Task Parallel Library,几乎每个SO关于这一主题的回答都指出: 此外: 但在斯蒂芬的书中有一个例子: 问题:您有一系列任务要等待,您想做一些 在每个任务完成后对其进行处理。 teachers on net sa