</head> <body> <form runat="server"> <asp:Button id="Button1" OnClick="Button1_Click" runat="server" Text="Button"/

<%@ Page Language="C#" %> </head> <body> <form runat="server"> <asp:Button id="Button1" OnClick="Button1_Click" runat="server" Text="Button"/ > </form> </body> </html>