Display file contents

Proposed exercise

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Create a program to display all the contents of a text file on screen (note: you must use a StreamReader). The name of the file will be entered in the command line or (if there is no command line present) asked to the user by the program.

Output

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Solution

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using System;
using System.IO;

class DisplayFileContent
{
static void Main()
{
Console.Write("Enter name of file: ");
string name = Console.ReadLine();


try 
{ 
StreamReader file; = File.OpenText(name);
string line=" ";

do
{
line = file.ReadLine();
if (line != null) 
{
Console.WriteLine(line);
}
}
while (line != null);
}
catch (Exception e) 
{
Console.WriteLine("Error!!!");
}
}
}