how to refresh the Label which is inside the Grid view using Java script?

Question

i am displaying time in the label which is inside the grid view. i need to Refresh the label every second. how to do this by Java script.Like Ajax timer.

EDIT:

OnLoad="setTimeout(window.location.reload();. 1000);" whats wrong with this code or <asp:Label ID="Label2" Width="100px" runat="server" OnLoad="setTimeout(window.location.reload();. 1000);" Font-Size="12px" ForeColor="Black" Text='<%# Bind("time") %>'></asp:Label>

Answer 1

setInterval(function(){
  var now = new Date();
  $('#yourSpanId').text(now.toUTCString()); // or whatever formatting you need
}, 1000);