System.Web.HttpException: Failed to map the path '/DownloadMat/JanuaryApril2023.pdf.'.
at System.Web.Configuration.ProcessHostMapPath.MapPathCaching(String siteID, VirtualPath path)
at System.Web.Configuration.ProcessHostMapPath.System.Web.Configuration.IConfigMapPath2.MapPath(String siteID, VirtualPath path)
at System.Web.Hosting.HostingEnvironment.MapPathActual(VirtualPath virtualPath, Boolean permitNull)
at System.Web.HttpRequest.MapPath(VirtualPath virtualPath, VirtualPath baseVirtualDir, Boolean allowCrossAppMapping)
at System.Web.HttpServerUtility.MapPath(String path)
at Downloads.DownloadAttachment(String str) in d:\Websites\SacredHeartConventChandigarh_Pro\Downloads.aspx.cs:line 21
at Downloads.Page_Load(Object sender, EventArgs e) in d:\Websites\SacredHeartConventChandigarh_Pro\Downloads.aspx.cs:line 39
Sacred Heart Sr. Sec. School, Chandigarh