我想转换此LINQ代码
var x = from nm in names
select MyClass.SomeMethod(nm).TrimStart(',');
foreach (var vv in x)
{
// I want to group and count different types of vv here
}
使用较短的语法,其中x => LINQ中的x。我也想分组并计算'vv'(可能有很多类似的vv)
答案 0 :(得分:3)
嗯,上面的“点符号”或“流利的符号”是:
var x = names.Select(nm => MyClass.SomeMethod(nm).TrimStart(','));
对于分组:
var x = names.Select(nm => MyClass.SomeMethod(nm).TrimStart(','));
.GroupBy(vv => vv,
(key, group) => new { Key = key, Count = group.Count() });
答案 1 :(得分:0)
这样的东西?
MyClass.SomeMethod(names).TrimStart(',')
.GroupBy(x => x.vv)
.ToList()
.ForEach(x => Console.WriteLine(x.Key + ": " + x.Count()));