How to differentiate between HTML Button and Server Button when page is rendered .

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C#

ASP.NET

C#4.0

Hi,


How to find which control is HTML and Server when page is rendered.Because when page is rendered we get only HTML for a control there no runat=server.So how will find that this event was fired by Asp Button.please help me out.

Code at design Time

<asp:Button ID="btnLogin" runat="server" Text="Login" onclick="btnLogin_Click"  />
            <asp:Button ID="btnPrint" runat="server" Text="Print" 
             Height="29px"  
            style="font-weight: 700" Width="70px" onclick="btnPrint_Click" />
        <asp:Button ID="Button1" runat="server" onclientclick="javascript:get();" 
            Text="Button" onclick="Button1_Click" />
        <input id="htmlButton" type="button" value="button" /><input id="btnHtmlSubmit" 
            type="submit" value="submit" />

When page is rendered

<input type="submit" name="btnLogin" value="Login" id="btnLogin" />
<input type="submit" name="btnPrint" value="Print" id="btnPrint" style="height:29px;width:70px;font-weight: 700" />
<input type="submit" name="Button1" value="Button" önclick="javascript:get();" id="Button1" />
<input id="htmlButton" type="button" value="button" /><input id="btnHtmlSubmit"
type="submit" value="submit" />