I have a problem printing the exception on the code below to a file. Kindly help. Thank you.

Question

1.00/5 (2 votes)

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using System;
using System.IO;

namespace InnerExceptionHandling
{
    class Program
    {
        static void Main()
        {
            try
            {
                Console.Write("Enter the first number:\t\t");
                int FN = int.Parse(Console.ReadLine());
                Console.Write("Enter the second number:\t");
                int SN = int.Parse(Console.ReadLine());
                int result = FN / SN;
                Console.WriteLine("{0} / {1} = {2}", FN, SN, result);
            }
            catch (Exception ex)
            {
                string filePath= @"C:\Users\BISTALAPTOP1\Desktop\bista\InnerException.txt";

                StreamWriter SW = new StreamWriter(filePath);
                SW.Write(ex.GetType().Name);
                SW.WriteLine(ex.Message);
                SW.Close();
                
                
            }
        }
    }
}

What I have tried:

I have tried using C# to print the Exception on a file

Posted 22-Feb-21 3:49am

SAMUEL AMIDINI Aningore

Updated 22-Feb-21 4:26am

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[no name] 22-Feb-21 9:55am

And the problem manifests how?

20212a 22-Feb-21 10:14am

What is the question?

2 solutions

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Sandeep Mewara · Answer 1 · 2021-02-22T04:16:00

Here for an example on how to use StreamWriter and write text to log file: StreamWriter Class (System.IO) | Microsoft Docs[^]

C#

namespace StreamReadWrite
{
    class Program
    {
        static void Main(string[] args)
        {
            // Get the directories currently on the C drive.
            DirectoryInfo[] cDirs = new DirectoryInfo(@"c:\").GetDirectories();

            // Write each directory name to a file.
            using (StreamWriter sw = new StreamWriter("CDriveDirs.txt"))
            {
                foreach (DirectoryInfo dir in cDirs)
                {
                    sw.WriteLine(dir.Name);
                }
            }

            // Read and show each line from the file.
            string line = "";
            using (StreamReader sr = new StreamReader("CDriveDirs.txt"))
            {
                while ((line = sr.ReadLine()) != null)
                {
                    Console.WriteLine(line);
                }
            }
        }
    }
}

Another sample here: Exception Logging to Text file[^]

OriginalGriff · Answer 2 · 2021-02-22T04:26:00

Solution 2

Most likely, it's the path that's a problem.
If I try your code with a path that I know is valid on my machine it works.

Check your path, and make sure that the user account your code is executing under has the required permission to read and write that file.

Posted 22-Feb-21 4:26am

OriginalGriff