grid view label text format problem in templatefield

Question

I am using a gridview in this i am taking a lable under a template field which code is this
<asp:Label ID="Label14" runat="server" Text='<%# Eval("Arrival_Time") %>' ></asp:Label>
but according to data base it shows the result in the form 24.989777676634 but i want
in the form 24:94 how can i perform to this one. plz