<h1>Client-Side Processing</h1>
<input id="btnHTML" type="button" value="Przycisk HTML" runat="server"
   onclick="javascript:ButtonTest();"
   onserverclick="btnHTML_ServerClick"/>
<asp:Button ID="btnServer" runat="server" Text="Przycisk ASP.NET"
   OnClientClick="javascript:ButtonTest();" />
<br />
<input id="txtHTML" type="text" runat="server"
   onchange="javascript:DoChange();" /><br />
<br />
<asp:TextBox ID="TextBox1" runat="server"
   onchange="javascript:DoChange();"></asp:TextBox>
<br />
<asp:Button ID="btnSave" runat="server" Text="Zapisz" Enabled=false />
