protected void LinkButtonSendNotifications_Click(object sender, EventArgs e)
        {
            uiPanelSuccess.Visible = false;
            UsersProfiles up = new UsersProfiles();
            Groups gr = new Groups();
            List<string> GroupIDs = CheckBoxListGroups.Items.Cast<ListItem>()
                .Where(li => li.Selected)
                .Select(li => li.Value)
                .ToList();

            if(GroupIDs.Count>0)
                up.getuserEmails(GroupIDs);
            try
            {
                MailMessage msg = new MailMessage();
                string mail = GetLocalResourceObject("FromMail").ToString();
                for (int i = 0; i < up.RowCount; i++)
                {
                    msg.To.Add(up.Email);
                    up.MoveNext();
                }
                if (!string.IsNullOrEmpty(uiHiddenFieldmails.Value))
                    msg.To.Add(uiHiddenFieldmails.Value);
                msg.From = new MailAddress(mail);
                msg.Subject = GetLocalResourceObject("subject").ToString();
                msg.IsBodyHtml = true;
                msg.BodyEncoding = System.Text.Encoding.UTF8;
                msg.Body = uiRadEditorContnet.GetHtml(Telerik.Web.UI.EditorStripHtmlOptions.None);
                SmtpClient client = new SmtpClient(GetLocalResourceObject("Server").ToString(), Convert.ToInt32(GetLocalResourceObject("Port").ToString()));
                //SmtpClient client = new SmtpClient(GetLocalResourceObject("server").ToString(), 25);
                client.EnableSsl = false;
                client.UseDefaultCredentials = false;
                client.Credentials = new System.Net.NetworkCredential(mail, GetLocalResourceObject("Password").ToString());
                client.Send(msg);
                uiPanelSuccess.Visible = true;

            }
            catch (Exception ex)
            {
                throw;
            }
        }