没办法之下。。。我只好自已写一个函数来完成了。。。。。
Function HTMLEncode(ByVal Str As String) As String
Dim TempStr As String = ""
TempStr = Str.Replace("&", "&").Replace("""", """).Replace("<", "<").Replace(">", ">")
TempStr = TempStr.Replace(Chr(34), """).Replace(Chr(39), "'").Replace(Chr(13), "")
HTMLEncode = TempStr
End Function
Dim TestString As String = "This is a <Test String>."
Dim writer As New StringWriter
Server.HtmlEncode(TestString, writer)
Dim EncodedString As String = writer.ToString()