protected void lb_preview_Click(object sender, EventArgs e) { System.Web.Security.MembershipUser mu; Guid userid; mu = System.Web.Security.Membership.GetUser(); userid = (Guid)mu.ProviderUserKey; string username = Session[Constants.Session.USERNAME].ToString(); if (dl.GetTotalWebPageCount(userid, username, hf_website_preview.Value) == 1) { } }