Csharp/C Sharp by API/System.IO/FileNotFoundException

FileNotFoundException.Message

<source lang="csharp"> using System; using System.IO; class Retry {

   static void Main() {
       StreamReader sr;
       int attempts = 0;
       int maxAttempts = 3;
   GetFile:
       Console.Write("\n[Attempt #{0}] Specify file " + "to open/read: ", attempts + 1);
       string fileName = Console.ReadLine();
       try {
           sr = new StreamReader(fileName);
           string s;
           while (null != (s = sr.ReadLine())) {
               Console.WriteLine(s);
           }
           sr.Close();
       } catch (FileNotFoundException e) {
           Console.WriteLine(e.Message);
           if (++attempts < maxAttempts) {
               Console.Write("Do you want to select another file: ");
               string response = Console.ReadLine();
               response = response.ToUpper();
               if (response == "Y") goto GetFile;
           } else {
               Console.Write("You have exceeded the maximum retry limit ({0})", maxAttempts);
           }
       } catch (Exception e) {
           Console.WriteLine(e.Message);
       }
   }

}

 </source>