How to pass parameter to button click handler in asp.net?

Question

HTML

I have an element
<input id="f" type="file" />
and a button on my form.

<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />

How to pass the path value that is selected in input to the button click handler?

Answer 1

Assign a name to the imput such as Name
Then in the handler ask:
string fText= Request.Form["Name"];