c# asp.net empty web application imagebutton1.Location not working

c# asp.net empty web application imagebutton1.Location not working

I'm trying to make an image slideshow for this task so far i have 2
buttons left arrow and right arrow and between them one imagebutton.
I want to move the imagebutton by pressing the left/right arrow buttons
But the ImageButton1.Location property is not working why?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
Are my libraries.