what is mean by main function in c#

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Hello,
As we know that all c# program start with a Fuction

C#

class program
{ 
public Static void Main()
{
 {
   //
 }
}

then what is the need of public Static void Main()

is program is runnable without this function if yes then why

Posted 25-Apr-13 21:38pm

srishti_

Updated 25-Apr-13 21:44pm

Orcun Iyigun

v3

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OriginalGriff · Answer 1 · 2013-04-25T21:56:00

Solution 1

All programs need to start somewhere: the static Main method is the place that it all begins - it has to be somewhere that is accessible at the start of the program - so it can't be a class constructor (because there is nothing to construct the first instance of the first class) so it has to be a static method. It is called Main simply so that the linker and so forth all know exactly what to look for!

If it wasn't called Main, it would need a name of some kind - so the designers of teh .NET framework picked a name and stuck with it. It harks back to "C" days, where it was called "main" instead.

Posted 25-Apr-13 21:56pm

OriginalGriff

Comments

srishti_ 26-Apr-13 4:14am

is program is runnable without this function if yes then why

Orcun Iyigun 26-Apr-13 4:22am

If you think CRITICALLY and read CAREFULLY this will answer your question. <blockquote class="FQ"><div class="FQA">Quote:</div>- it has to be somewhere that is accessible at the start of the program -</blockquote>. So if it is not accessible at the start how do you think it will initialize?

OriginalGriff 26-Apr-13 5:16am

an application isn't runnable with a Main statement, but an assembly can be executable without one: That is the practical difference between an app and a class library. The first has Main and is runnable, the second doesn't, and isn't. In all other respects they could be identical.

vinayakJJ · Answer 2 · 2013-04-25T21:56:00

Solution 2

Main () and Other Methods (C# vs Java)[^]

Posted 25-Apr-13 21:56pm

vinayakJJ

Updated 25-Apr-13 22:00pm

v2

Manfred Rudolf Bihy · Answer 3 · 2013-04-25T21:56:00

Solution 3

You need an entry point for a program so the runtime knows where to start executing it.
Please also refer to this question and all the solution: Why main() function should be static in c#?[^].

Regards,

— Manfred

Posted 25-Apr-13 21:56pm

Manfred Rudolf Bihy

Updated 25-Apr-13 21:58pm

v2