怎么去掉字符串右段空格

如何去掉字符串右段空格
如 str＝"How are you "

要得到"How are you"

应该怎么做呢？


[解决办法]
"How are you ".trim();
[解决办法]
"How are you ".trim();
[解决办法]
str.TrimEnd
[解决办法]

VB.NET code

Dim str As String = "How are you   "Dim chs() As Char = {" "}str.TrimEnd(chs)