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-4

So I began to learn c# and specifically asp.net core and I came across a piece of code which I just can't understand what it means. I was reading docs to find some similar examples, but couldn't find anything.

public class Startup
{
 public Startup(IConfiguration configuration)
 
 Configuration = configuration;
 

 public IConfiguration Configuration get; 

1. Why inside class Startup there is another keyword Startup? if that's a method, then why it starts with capital?




2. Why there is IConfiguration interface in front of Configuration? Shouldn't it be after, like :IConfiguration? And why is there empty body definition if it's not abstract function? Thanks.

c# asp.net-core

share|improve this question

edited Mar 28 at 0:32

SO used to be good

21.4k66 gold badges4343 silver badges7474 bronze badges

asked Mar 28 at 0:13

LimpulsLimpuls

37611 silver badge1717 bronze badges

closed as too broad by mjwills, John, SO used to be good, BACON, gnat Mar 28 at 9:34

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This public Startup(IConfiguration configuration) is the constructor of the class Startup and receives an object that implements the interface IConfiguration. This public IConfiguration Configuration get; is a property with a getter so client code can access the IConfiguration object.
  
  – dcg
  Mar 28 at 0:17
  

  
  
  
  


• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  I'd suggest googling 'what is a constructor C#' and 'what is a parameter C#' and 'what is a readonly property C#'. As is, I vote to close since your question is in fact multiple questions - meta.stackexchange.com/questions/39223/… . This is not an attack on you - just that you should write multiple questions to avoid the 'Person A writes a good answer to the first question and Person B writes a good answer to the second question' problem. If they are separate questions, you can pick the best answer for the two questions independently.
  
  – mjwills
  Mar 28 at 0:17
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  See some c# tutorials
  
  – Alexander
  Mar 28 at 0:19
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Constructors docs
  
  – John
  Mar 28 at 0:19
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  I think a more effective way to learn C# (or any language) would be to start with the documentation or a book rather than diving into code and asking "What's this? What's that?" You'll have a hard time searching for or asking about these concepts (as we see here) if you don't know what they're called, and the fact that these are such really, really basic concepts in C# suggests you're trying to (and, no offense, failing to) learn in the wrong direction, working backwards from code instead of forwards from concepts.
  
  – BACON
  Mar 28 at 0:51
  

  
  
  
  

add a comment | 

-4

So I began to learn c# and specifically asp.net core and I came across a piece of code which I just can't understand what it means. I was reading docs to find some similar examples, but couldn't find anything.

public class Startup
{
 public Startup(IConfiguration configuration)
 
 Configuration = configuration;
 

 public IConfiguration Configuration get; 

1. Why inside class Startup there is another keyword Startup? if that's a method, then why it starts with capital?




2. Why there is IConfiguration interface in front of Configuration? Shouldn't it be after, like :IConfiguration? And why is there empty body definition if it's not abstract function? Thanks.

c# asp.net-core

share|improve this question

edited Mar 28 at 0:32

SO used to be good

21.4k66 gold badges4343 silver badges7474 bronze badges

asked Mar 28 at 0:13

LimpulsLimpuls

37611 silver badge1717 bronze badges

closed as too broad by mjwills, John, SO used to be good, BACON, gnat Mar 28 at 9:34

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This public Startup(IConfiguration configuration) is the constructor of the class Startup and receives an object that implements the interface IConfiguration. This public IConfiguration Configuration get; is a property with a getter so client code can access the IConfiguration object.
  
  – dcg
  Mar 28 at 0:17
  

  
  
  
  


• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  I'd suggest googling 'what is a constructor C#' and 'what is a parameter C#' and 'what is a readonly property C#'. As is, I vote to close since your question is in fact multiple questions - meta.stackexchange.com/questions/39223/… . This is not an attack on you - just that you should write multiple questions to avoid the 'Person A writes a good answer to the first question and Person B writes a good answer to the second question' problem. If they are separate questions, you can pick the best answer for the two questions independently.
  
  – mjwills
  Mar 28 at 0:17
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  See some c# tutorials
  
  – Alexander
  Mar 28 at 0:19
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Constructors docs
  
  – John
  Mar 28 at 0:19
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  I think a more effective way to learn C# (or any language) would be to start with the documentation or a book rather than diving into code and asking "What's this? What's that?" You'll have a hard time searching for or asking about these concepts (as we see here) if you don't know what they're called, and the fact that these are such really, really basic concepts in C# suggests you're trying to (and, no offense, failing to) learn in the wrong direction, working backwards from code instead of forwards from concepts.
  
  – BACON
  Mar 28 at 0:51
  

  
  
  
  

add a comment | 

So I began to learn c# and specifically asp.net core and I came across a piece of code which I just can't understand what it means. I was reading docs to find some similar examples, but couldn't find anything.

public class Startup
{
 public Startup(IConfiguration configuration)
 
 Configuration = configuration;
 

 public IConfiguration Configuration get; 

1. Why inside class Startup there is another keyword Startup? if that's a method, then why it starts with capital?




2. Why there is IConfiguration interface in front of Configuration? Shouldn't it be after, like :IConfiguration? And why is there empty body definition if it's not abstract function? Thanks.

c# asp.net-core

share|improve this question

edited Mar 28 at 0:32

SO used to be good

21.4k66 gold badges4343 silver badges7474 bronze badges

asked Mar 28 at 0:13

LimpulsLimpuls

37611 silver badge1717 bronze badges

public class Startup
{
 public Startup(IConfiguration configuration)
 
 Configuration = configuration;
 

 public IConfiguration Configuration get; 

share|improve this question

edited Mar 28 at 0:32

SO used to be good

21.4k66 gold badges4343 silver badges7474 bronze badges

asked Mar 28 at 0:13

LimpulsLimpuls

37611 silver badge1717 bronze badges

share|improve this question

edited Mar 28 at 0:32

SO used to be good

21.4k66 gold badges4343 silver badges7474 bronze badges

asked Mar 28 at 0:13

LimpulsLimpuls

37611 silver badge1717 bronze badges

edited Mar 28 at 0:32

SO used to be good

21.4k66 gold badges4343 silver badges7474 bronze badges

edited Mar 28 at 0:32

SO used to be good

21.4k66 gold badges4343 silver badges7474 bronze badges

asked Mar 28 at 0:13

LimpulsLimpuls

37611 silver badge1717 bronze badges

asked Mar 28 at 0:13

LimpulsLimpuls

37611 silver badge1717 bronze badges

1 Answer
1

active

oldest

votes

1

This is the constructor, it's called when you use new Startup()

public Startup(IConfiguration configuration)

 Configuration = configuration;

This is an autoproperty, it returns IConfigruation and automatically implements a property Getter

public IConfiguration Configuration get; 

share|improve this answer

answered Mar 28 at 0:17

JStewardJSteward

4,70722 gold badges1010 silver badges2020 bronze badges

add a comment | 

1

This is the constructor, it's called when you use new Startup()

public Startup(IConfiguration configuration)

 Configuration = configuration;

This is an autoproperty, it returns IConfigruation and automatically implements a property Getter

public IConfiguration Configuration get; 

share|improve this answer

answered Mar 28 at 0:17

JStewardJSteward

4,70722 gold badges1010 silver badges2020 bronze badges

add a comment | 

1

This is the constructor, it's called when you use new Startup()

public Startup(IConfiguration configuration)

 Configuration = configuration;

This is an autoproperty, it returns IConfigruation and automatically implements a property Getter

public IConfiguration Configuration get; 

share|improve this answer

answered Mar 28 at 0:17

JStewardJSteward

4,70722 gold badges1010 silver badges2020 bronze badges

add a comment | 

This is the constructor, it's called when you use new Startup()

public Startup(IConfiguration configuration)

 Configuration = configuration;

This is an autoproperty, it returns IConfigruation and automatically implements a property Getter

public IConfiguration Configuration get; 

share|improve this answer

answered Mar 28 at 0:17

JStewardJSteward

4,70722 gold badges1010 silver badges2020 bronze badges

public Startup(IConfiguration configuration)

 Configuration = configuration;

public IConfiguration Configuration get; 

share|improve this answer

answered Mar 28 at 0:17

JStewardJSteward

4,70722 gold badges1010 silver badges2020 bronze badges

answered Mar 28 at 0:17

JStewardJSteward

4,70722 gold badges1010 silver badges2020 bronze badges

answered Mar 28 at 0:17

JStewardJSteward

4,70722 gold badges1010 silver badges2020 bronze badges