Aggregate是一个可以从一个数据集合中获取标量值的函数，比如T-SQL中的Min()、Max()和Sum()等。现在VB和C#也都对这种聚合的功能给于了支持，但是是以一种非常不同的方式。 从这儿可以看到，VB和C#的版本几乎是一样的。但VB还为聚合专门提供了一个LINQ语法 ...

When you want to find all the objects that are missing a corresponding object, then you need the LINQ equivalent of an outer join. Here, step by painful step, is how to build that query. Here's a ...

Peter follows up -- yet again – on a column on how to group results with LINQ using the SQL-like syntax with the same solution using the method-based syntax. And, no, you're not seeing double. A ...