How To Handle Array File And Exception In C#.Net
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In this tutorial we will show you how to handle array file and exception using C#.Net. After viewing the video tutorial, download the source code and try to modify the code so as to get a feel of what is learned in this video tutorial.


Source Code
 ArrayFileAndExceptionHandlingExample

using System;
using System.Collections; 
using System.IO; 
using System.Text; 

namespace ArrayFileAndExceptionHandlingExample
{
/// <summary>
/// Summary description for Class1.
/// </summary>
/// 
public class Person //Create a person class with basic properties and methods
{
public int iAge; //Property
private string strName; 
public string GetName()//Method
{
return strName;
}
public void SetName(string Name)
{
strName=Name;
}
public virtual void Play() //Virtual function
{
System.Console.WriteLine("I plays Nothing");  
}
};

class ArrayFileAndExceptionHandling
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main(string[] args)
{
//Create a person Array
Person[] PersonArray= new Person[3] ; //Create an array of 3 persons
PersonArray[0]= new Person(); //Create theperson 1
PersonArray[0].SetName("Jerry"); //set the name
PersonArray[1]= new Person(); 
PersonArray[1].SetName("Thomas"); 
PersonArray[2]= new Person(); 
PersonArray[2].SetName("Jiss"); 
System.Console.WriteLine("Using Arrays" );
//Iterate through each element in the array using the foreach loop
foreach ( Person i in PersonArray )  
{
System.Console.WriteLine(i.GetName() );   
}
//Using ArrayList collection class
ArrayList PersonsList= new ArrayList(); //In namespace System.Collections
Person Person1= new Person();
Person1.SetName("Sachin");
PersonsList.Add(Person1); 
Person Person2= new Person();
Person2.SetName("Rahul");
PersonsList.Add(Person2); 
System.Console.WriteLine("Using Arraylist" );
foreach ( Person List in PersonsList )  
{
System.Console.WriteLine(List.GetName() );   
}
//Save these details to a file PersonDetails.txt
try //Exception handler
{
System.Console.WriteLine("Saving the details to the file" );
using (FileStream fs = File.Create("PersonDetails.txt")) //Creating the file with the specified name
{
// Add some information to the file.
foreach ( Person List in PersonsList )  
{
byte[] bValues =new UTF8Encoding(true).GetBytes(List.GetName()); //Extracting the bytes

fs.Write(bValues, 0, bValues.Length);//Writing the contents to the file   
}
}

}
catch(Exception ex) //catch block 
{
System.Console.WriteLine("Some Error Occour while saving :" +ex.Message );
}
}
}
}



Source Code

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Number Of articles Posted
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Number Of Messages Posted
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Joined Date
14/11/2012
   
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