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Old 04-15-2008, 07:18 AM
jegan jegan is offline
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Default crystal reports

how to display record person name wise in crystal reports in c#
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Old 04-15-2008, 07:20 AM
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Default Re: Classess in PHP

how to achieve dynamic binding in php
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Old 04-15-2008, 07:21 AM
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Default c#

what is advance of delegate in c#
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Old 04-16-2008, 01:06 AM
krishnakumar krishnakumar is offline
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Smile Re: crystal reports

Hi,

The Advantage of Delegates are :
1. Dynamic binding can be done by using delegate because we can call more than one methods at a time dynamically by calling the delegate in which the methods is defined.

2. Delegates are used to encapsulate a method.

3. Delegates are just like C++ functions whick invokes to actual method call.
if delegates points to more than one methods than this concept is called multicast.

4. Delegates are functionpointers pointing to instance & static member,they called indirectly.

Example:

Quote:
public delegate sub D1()
dim D as new d1(address of hello)

public sub hello()
messagebox("hello world")
end sub

button_click
D()
end
5. Delegates has capacity of calling functions. thru which we can actually hide source code.

6. Delegates are managed function pointers. they are type checked and held in spaces that can be reclaimed by the memory manager.

7. The method name activating for another method name. its represents a class. In c# delegates are objects which towards a function and matchs with the signature.

8. It is used in asynchronus and event based programming.

9. we can combine multiple delegates into a single delegates and
its typesafe.
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