When I open Pdf File using below code then its showing error uri formats are not supported.

 string FileName= Request.QueryString["PDFFileName"].ToString();                     string path = "http://benzoadmin.binarys.co/UploadedFiles/Documents/" + FileName;                     if (path != null)                     {                         string fileLength;                         FileInfo myFileInfo = new FileInfo(path);               & ...