I got the solution for above issue Issue is we have a folder name called Reports in application and also we have same name virtual directory in IIS

I don't no where to post this question please help me I am facing this problem from last two days while opening report from my website i am getting following issue this was working fine on our test server but in client machine we are getting this issue System.Security.SecurityException: Request for the permission of type 'System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. i am using vs2005 and sql2005 reporting services i checked on client machine report is opening from report manager and anonymous user chek box is checked and windows auth check box checked we have one user reportadmin he has rights browser also and this user also have rights in reportserver db with resexe role . this id my cod protected void Page_Load(object sender, EventArgs e) { BreadCrumbs.MenuItemID = ModuleID; HdnParameters.Value = Convert.ToString(Session["UserID"]) + "-" + Convert.ToString(Session["ProviderID"]) + "-" + ViewDataAccessType; RVReferralListing.BorderWidth = 0; if (!this.IsPostBack) { int referralID = 0; if (Request.QueryString["ReferralID"] != null) { referralID = Convert.ToInt32(Request.QueryString["ReferralID"]); FillSubReport(referralID); } if (referralID == 0) { PnlSearchBasedControls.Attributes.Add("style", "display:''"); divMainReport.Attributes.Add("style", "display:''"); divSubReport.Attributes.Add("style", "display:none"); } else { PnlSearchBasedControls.Attributes.Add("style", "display:none"); divMainReport.Attributes.Add("style", "display:none"); divSubReport.Attributes.Add("style", "display:''"); } Session["ClientAccessData"] = Convert.ToString(Session["UserID"]) + "-" + Convert.ToString(Session["ProviderID"]) + "-" + ViewDataAccessType; } } private void FillSubReport(int referralID) { RVReferralSubReport.Visible = true; RVReferralSubReport.BorderWidth = 2; Uri ur = new Uri(Convert.ToString(ConfigurationManager.AppSettings["ReportServerUri"])); RVReferralSubReport.ServerReport.ReportPath = Convert.ToString(ConfigurationManager.AppSettings["ReportPath"]) + "/ChldReferralServicesReport"; RVReferralSubReport.ServerRepor