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C# - Early Binding and Late Binding with Example & Difference b/w Early & Late Binding

Sep 19, 2013

Here I will explain difference between early binding and late binding in with example or late binding vs early binding with example. 


Early Binding and Late Binding concepts occurred in polymorphism. First we will learn about polymorphism


Polymorphism means many forms (ability to take more than one form). In Polymorphism poly means “multiple” and morph means “forms” so polymorphism means many forms.

In polymorphism we will declare methods with same name and different parameters in same class or methods with same name and same parameters in different classes. Polymorphism has ability to provide different implementation of methods that are implemented with same name.

In Polymorphism we have 2 different types those are

     -      Compile Time Polymorphism (Called as Early Binding or Overloading or static binding)

     -      Run Time Polymorphism (Called as Late Binding or Overriding or dynamic binding)

Compile Time Polymorphism or Early Binding

Compile time polymorphism means we will declare methods with same name but different signatures because of this we will perform different tasks with same method name. This compile time polymorphism also called as early binding or method overloading.

Method Overloading or compile time polymorphism means same method names with different signatures (different parameters)

For more details check this link polymorphism in c#

Run Time Polymorphism or Late Binding

Run time polymorphism also called as late binding or method overriding or dynamic polymorphism. Run time polymorphism or method overriding means same method names with same signatures.

In this run time polymorphism or method overriding we can override a method in base class by creating similar function in derived class this can be achieved by using inheritance principle and using “virtual & override” keywords.

For more details check this link polymorphism in c#

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Anonymous said...

plz explain why we use commandbuilder class what is benefit of using commandbuilder class with example.

devtools.korzh said...

Thanks! It's just what I looking for...

Web Mate said...

hello. sir

Harsha Vardhan said...

late binding concept is wrongly explained.

Anonymous said...

Overloads and overrides have nothing to do with early or late binding.

Parveen Yadav said...

Thank you very much. It is very simple and to the point Tutorial. again thank you very much.

Diptiranjan Pradhan said...

Right or wrong i dont know but explain clearly........

Unknown said...

ware we use static and dynamic binding in real time?

Unknown said...

Very simple and well explained. but not sure it's correct logic or not. Some one please verify it.

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