C＃WebUtility.HtmlDecode返回“？”

Question

String Text = "This is example ”Text”";
Text = WebUtility.HtmlDecode(Text);
System.IO.File.WriteAllText(@"c:\x.txt", Text, Encoding.ASCII);

正确输出：

This is example ”Text”

输出x.txt：

This is example ?Text?

Answer 1

您可以使用“iso-8859-1”编码：

更改

System.IO.File.WriteAllText(@"c:\x.txt", Text, Encoding.ASCII);

与

System.IO.File.WriteAllText(@"c:\x.txt", Text, Encoding.GetEncoding(28591));