Q:

Unable to find HTML button in aspx code behind

I have following HTML button on my aspx form ,
<input type=button onclick="" value="change" id="btnChange" runat="server">

I'm trying following code to find my HTML button in code behind but it's not working,
Button b1=(Button)Page.findcontrol("btnChange");
b1.visible=false;

A:

Since this is a server side control, you should be able to simply use btnChange directly to refer to it. 
btnChange. Visible = false;

