Read a line from console : Console Input Output « Development Class « C# / C Sharp

1. C# / C Sharp
2. Development Class
3. Console Input Output

Read a line from console

 
/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa

Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/

// dbTest.cs -- Sample program to be used with cordbg.exe
//
//              Compile this program with the following command line:
//                  C:>csc /debug:full dbTest.cs
//
using System;

namespace nsDebug
{
    public class dbTest
    {
        static public void Main ()
        {
            double x = 7.0;
            while (true)
            {
                Console.Write ("\r\nPlease enter a number: ");
                string str = Console.ReadLine ();
                if (str.Length == 0)
                    break;
                double val = 0;
                try
                {
                    val = Convert.ToDouble (str);
                }
                catch (Exception)
                {
                    Console.WriteLine ("\r\nInvalid number");
                    continue;
                }
                Console.WriteLine (x + " X " + val + " = {0,0:F6}", val / x);
            }
        }
    }
}


           
         
  

Related examples in the same category

1.	Read double and int from console
2.	Read a character from the keyboard
3.	Input from the console using ReadLine()
4.	Read a string from the keyboard, using Console.In directly
5.	Write to Console.Out and Console.Error
6.	Output with parameters
7.	Illustrates how to read a character entered using the keyboard
8.	Illustrates how to read a string entered using the keyboard
9.	Demonstrates redirecting the Console output to a file
10.	Console command-line arguments
11.	Use format commands
12.	Redirect Console.Out
13.	This program averages a list of numbers entered by the user
14.	Demonstrate various format specifiers
15.	While loop and keyboard reading
16.	Demonstrates some of the formatting flags for writing text to the console
17.	Uses the #, 0 and comma characters to format output
18.	A simple command line program that reads from the console using Console.Read() and Console.ReadLine()
19.	C# Basic Data Types
20.	C# Hello Universe
21.	Terminate a control input
22.	Use do while to read console input
23.	Use while(true) to read console input
24.	Convert input from control to upper case
25.	constructs sentences by concatenating user input until the user enters one of the termination characters
26.	input a series of numbers separated by commas, parse them into integers and output the sum
27.	Console Write