Note:
1. Create 16x16 px image .
2. Image Format must be in .ico format... (Example fevicon.ico )
3. Add this image into project.
4. Remind! only .ico format is allowed
----------------------------put this inside of head tag------------------------------------------
<head runat="server">
<title>Sandeep</title>
<link id="Link1" runat="server" href="fevicon.ico" type="image/x-icon"/>
</head>