List<string> li2 = new List<string>() { "0", "5", "5","9", "9", "9", "14" };var b = from c in li2 group c by c into g select g; //按元素分组
var a = b.Select(x => x.Key); //具有Key定义
foreach (var c in a)
{
Console.WriteLine(c);
}var c = b.Select(x => x.value.count()); //报错,为什么没有value定义我想问一下,按元素分组(group by),得到序列,为什么有Key定义,而没有value的定义。我觉得有Key,就应该有value啊
var a = b.Select(x => x.Key); //具有Key定义
foreach (var c in a)
{
Console.WriteLine(c);
}var c = b.Select(x => x.value.count()); //报错,为什么没有value定义我想问一下,按元素分组(group by),得到序列,为什么有Key定义,而没有value的定义。我觉得有Key,就应该有value啊
List<string> li2 = new List<string>() { "0", "5", "5", "9", "9", "9", "14" }; var b = from c in li2 group c by c into g select g;
var a = b.Select(x => x.Key);
foreach (var c in a)
{
Console.WriteLine(c);
} var d = b.Select(x => x.Count());
foreach (var f in d)
{
Console.WriteLine(f);
}
http://msdn.microsoft.com/en-us/library/bb344977.aspx
那你去微软把开发.net framework的程序员揪出来揍一顿吧。
x就是 value 不用再value