System.IO.FileNotFoundException: Could not find file 'D:\Websites\AllenhousePublicSchoolRoomaKanpur\DownloadMat\magazines17_18Pree_Primary.pdf'. File name: 'D:\Websites\AllenhousePublicSchoolRoomaKanpur\DownloadMat\magazines17_18Pree_Primary.pdf' at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileInfo.get_Length() at Downloads.DownloadAttachment(String str) in d:\Websites\AllenhousePublicSchoolRoomaKanpur\Downloads.aspx.cs:line 26 at Downloads.Page_Load(Object sender, EventArgs e) in d:\Websites\AllenhousePublicSchoolRoomaKanpur\Downloads.aspx.cs:line 39 Allenhouse Public School, Rooma, Kanpur