File Uploader

I have used file uploader in one page of website in asp.netthe uploader shows properly in IE8 and Firefox3.6.12 and Opera but its not showing properly in Google Chrome and Safari. What seems to be the problem. I will be glad if someone points the mistake of my code


<script language="VB" runat="server">

Sub Button1_Click(sender As Object, e As EventArgs)

if FileUpLoad1.HasFile

FileUpload1.SaveAs("D:\server file\" & FileUpload1.FileName)
Label1.Text = "Received " & FileUpLoad1.FileName & " Content Type " & FileUpLoad1.PostedFile.ContentType & " Length " & FileUpLoad1.PostedFile.ContentLength
else
Label1.Text = "No uploaded file"
end if

end sub

</script>I ...