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C# For Beginners

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  #1  
Old 24-12-2008
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Join Date: Aug 2008
Posts: 52
C# For Beginners

C#, pronounced c sharp, is a computer language used to give instructions that tell the computer what to do, how to do it, and when to do it. This is a universal language that is used on many operating systems , including Microsoft Windows. C# is one of the languages used in the Microsoft .NET Framework. The Microsoft .NET Framework is a library of objects that create or draw things on the computer.

The C# language is used to create applications that display on a black window referred to as the DOS prompt or DOS window.

You should first open a DOS command shell. (If you don't know what it is, clic on the Start menu then run (at the bottom) and type, in the text field: "cmd".
exercise: there is an easiest way to do that, try to find it.)
You should begin to work in an empty directory for this. let call it "C:\learncs". Type in the shell:

Code:
> md C:\learncs
> cd C:\learncs
> C:
Now you should create your first C# program, type "notepad hello.cs" and type (in the notepad)

Code:
using System;
  
    public class Hello
    {
        public static void Main()
        {
            Console.WriteLine("Hello C# World :-)");
        }
    }
the using keyword just let you write Console at line 7, instead of System.Console. It's very usefull shortcut when you use a lot of "class" define in System.
Save the file.
Now you could compile. Type in the DOS Shell again and type:
csc /nologo /out:hello.exe hello.cs

You probaly have some errors, correct them, compile again, and now you have a working hello.exe program... type hello, see...
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  #2  
Old 24-12-2008
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kex kex is offline
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Join Date: May 2008
Posts: 143
Re: C# For Beginners

  • uses the namespace System
  • entry point must be called Main
  • output goes to the console
  • file name and class name need notbe identical

Structure of C# ProgramsProgrammFile
  • If no namespace is specified => anonymous default namespace
  • Namespaces may also contain structs, interfaces, delegates and enums
  • Namespace may be "reopened" in other files
  • Simplest case: single class, single file, default namespace
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  #3  
Old 13-05-2011
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Join Date: May 2011
Posts: 2
Re: C# For Beginners

Hello,
I have recently read about a solution related to C#. It was about how to create IVR DTMF system. It is software product that can receive incoming calls automatically and answers them. The callers are received by a voice menu. So dealing with calls is perfectly automated. This system can replace a complete customer service. This system based on an SDK.
Share your opinion!
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  #4  
Old 13-05-2011
fellah's Avatar
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Join Date: May 2008
Posts: 690
Re: C# For Beginners

Quote:
Hello,
I have recently read about a solution related to C#. It was about how to create IVR DTMF system. It is software product that can receive incoming calls automatically and answers them. The callers are received by a voice menu. So dealing with calls is perfectly automated. This system can replace a complete customer service. This system based on an SDK.
Share your opinion!
The most recent version 5.0.0.1 comprises a completely customizable full IVR ("Interactive Voice Response") menu system you can at a standstill utilize the DTMF command/ on error response interface if you hope lacking any voice menu or a grouping of both a voice menu with DTMF on error reactions or no DTMF on error responses and rerun the voice menu, primed of any DTMF on error responses when/if they take place.

This instance works with both usual Skype names and with/without Skype Online Numbers plus Business Account Skype names with/without allocated Skype Online Numbers shaped from the Skype Business Manager. The instance works with both the usual and business versions of the Skype clients for Windows.
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