To e:\work\menu8\address.cs(512,18): error CS0246: The type or namespace name 'Encoding' could not be found (are you missing a using directive or an assembly reference?)
to fupip(小贝):
e:\work\menu8\address.cs(512,18): error CS0246: The type or namespace name 'Encoding' could not be found (are you missing a using directive or an assembly reference?)