public void DeleteLogo()
{
if (strUtil.HasText(config.Instance.Site.SiteLogo))
{
wojilu.Drawing.Img.DeleteImgAndThumb(strUtil.Join(sys.Path.DiskPhoto, config.Instance.Site.SiteLogo));
config.Instance.Site.SiteLogo = "";
config.Instance.Site.Update("SiteLogo", "");
log(SiteLogString.DeleteLogo());
redirect(Logo);
}
else
{
echoRedirect(lang("notUploadLogo"));
}
}