摘要： 问 Looking at the implementation of CancellationToken.None, it is simply returning default(CancellationToken). However, I see no reference in Cancellat 阅读全文

摘要： 问 I've seen in BOL under the section regarding Stored Procedures, specifically declaring OUTPUT parameters, where both "OUTPUT" and "OUT" are used.Is 阅读全文

摘要： 相信有些同学会困扰，当我们执行TransactionScope.Complete()方法的时候，是否Transaction被真正提交到数据库了。 对于这一点，MSDN上有这么一段描述： If the TransactionScope object created the transaction in 阅读全文

摘要： Do I need to dispose of Tasks? Here’s my short answer to this question: “No. Don’t bother disposing of your tasks.” 阅读全文

摘要： Keyless Entity Types 阅读全文

摘要： Unable to declare Interface “ async Task<myObject> MyMethod(Object myObj); ” 问 I'm unable to declare interface IMyInterface { async Task<myObject> MyM 阅读全文

摘要： 问 Actually I'm not sure the title accurately describes the question, but I hope it is close enough. I have some code that performs a SELECT from a dat 阅读全文

摘要： 问 I have an AuthorizationFilter as follows: I found the constructor of AuthorizationFilter will just be called one time during the whole ASP.NET Core 阅读全文

摘要： 问: In C# and TPL (Task Parallel Library), the Task class represents an ongoing work that produces a value of type T.I'd like to know what is the need 阅读全文

摘要： 有时候我们在代码中要执行一些非常耗时的操作，我们不希望这些操作阻塞调用线程（主线程）的执行，因为调用线程（主线程）可能还有更重要的工作要做，我们希望将这些非常耗时的操作由另外一个线程去执行，这个时候就可以用到await Task.Yield()，它借助了C# 5.0中的异步函数关键字await as 阅读全文