Answer / prasad

array is a collection of elements of simlar type
hastable is a collection of elements of different types.
we can retrive data from hashtable in key-value pair manner

Answer / kautilya

arraylist is a collection of objects of same type. It
implements IList interface. it can grow dynamically, we can
add elements in it at runtime. it should be used when we
dont have information that how many elements will get
stored in it. it also has facility of searching and sorting.


Hashtable is storing data in key-value pair, where key
field will remain unique. Here elements can be searched
using key value. It is serializable.

Answer / sharmin jose

Everything told above is correct except that ArrayList can
only contain "similar data type".
Please compile and execute the following code:
using System;
using System.Collections;
public class SamplesArrayList {

public static void Main() {

// Creates and initializes a new ArrayList.
ArrayList MyList = new ArrayList();
MyList.Add("Hello");
MyList.Add("World");
MyList.Add(1);

// Displays the properties and values of the
ArrayList.
Console.WriteLine( "MyList" );
Console.WriteLine( "\tCount: {0}", MyList.Count );
Console.WriteLine( "\tCapacity: {0}",
MyList.Capacity );
Console.Write( "\tValues:" );
PrintValues( MyList );
}

public static void PrintValues( IEnumerable myAL ) {
System.Collections.IEnumerator myEnumerator =
myAL.GetEnumerator();
while ( myEnumerator.MoveNext() )
Console.Write( "\t{0}", myEnumerator.Current );
Console.WriteLine();
}
}

Answer / guest

Arraylist is a collection of different datatypes.

Does console.writeline() stop printing when it reaches a null character within a string?

0 Answers  

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Explain 'structure padding'?

0 Answers   DELL,

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Why main is static in c#?

0 Answers  

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What is cli in c#?

0 Answers  

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How many types of namespaces available in version4?

0 Answers   HCL,

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Is it possible to have different access modifiers on the get/set methods of a property in c#?

0 Answers  

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Explain About disco and uddi

0 Answers   Digital GlobalSoft,

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What is lazy t?

0 Answers  

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What is the difference between delegates and events in c#?

0 Answers  

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What is dto c#?

0 Answers  

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I am using a data table and a datagridview. I am creating two columns in data grid view : 1)DataGridViewComboBoxColumn 2)DataGridViewTextBoxColumn. The items of datagridviewcombo are the list of all items in data table column 1. I want that the data type of the DataGridViewTextBoxColumn should be the same as the data type of the item selected from the datagridviewcombo at runtime. How can I do that.Also I want that each cell in column of datatable should be of variable data type. Pls help. thnx.

1 Answers   Storm,

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What is a partial class. Give an example?

0 Answers  

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