demo_htmlinputhidden 在线工具
<html> <body> <form runat="server"> Enter some text: <input id="string1" type="text" size="25" runat="server" /> <input type="submit" value="Submit" OnServerClick="submit" runat="server" /> <input id="hidden1" type="hidden" runat="server" /> <p id="p1" runat="server" /> </form> </body> </html>