two time data store in table

Protected Sub btnupload_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnupload.Click
    imagename = imgupload.FileName
    fileExt = System.IO.Path.GetExtension(imgupload.FileName).ToLower
    If (fileExt = ".jpg" Or fileExt = ".gif" Or fileExt = ".bmp" Or fileExt = ".jpeg" Or fileExt = ".png") Then
        Label1.Visible = True
        imgupload.SaveAs(Server.MapPath("~/Images/" + imagename))
        Label1.Text = imagename + " is uploaded sucessfully"
        ipath = ("Images")
        'u.insertImgData(ipath, imagename, fileExt)
        Call save()
        Dim displaypath As String = "~/Images/" + imagename
        uploadedimg.ImageUrl = displaypath
    Else
        Label1.Visible = True
        Label1.Text = "Invalid extension"
    End If
End Sub

Private Sub save()
    con.Close()
    Dim ss As String
    con.Open()
    ss = "insert into imgData values('" & ipath & "','" & imagename & "','" & fileExt & "')"
    cmd = New SqlCommand(ss, con)
    cmd.ExecuteNonQuery()
    con.Close()
End Sub