Error : System.NotSupportedException: The given path's format is not supported.
at System.Security.Util.StringExpressionSet.CanonicalizePath(String path, Boolean needFullPath)
at System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[] str, Boolean needFullPath)
at System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAccess access, AccessControlActions control, String[] pathListOrig, Boolean checkForDuplicates, Boolean needFullPath, Boolean copyPathList)
at System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess access, String path)
at System.Web.InternalSecurityPermissions.PathDiscovery(String path)
at System.Web.HttpRequest.MapPath(VirtualPath virtualPath, VirtualPath baseVirtualDir, Boolean allowCrossAppMapping)
at System.Web.HttpServerUtility.MapPath(String path)
at Articles.ViewNewsLetterArticle.ViewNewsLetterArticle.DisplayNews(Boolean _UserPermission) in e:\AIR_new\DesktopModules\Articles\ViewNewsLetterArticle\ViewNewsLetterArticle.ascx.cs:line 670