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  • C# Naming Conventions and Coding Standards

    @mayank.srivastava
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    "C# Naming Conventions and Coding Standards"

    Naming Convention:

        Basicaly three types of naming conventions are used in C#, Camel, Pascal and Hungarian.

    We should use PascalCasing for class names and method names:

    Example:

    1. public class ClientActivity
    2. {
    3.     public void ClearStatistics()
    4.     {
    5.         //...
    6.     }
    7. }

    We should use camelCasing for method arguments and local variables:

    Example:

    1. public class UserLog
    2. {
    3.     public void Add(LogEvent logEvent)
    4.     {
    5.         int itemCount = logEvent.Items.Count;
    6.         // ...
    7.     }
    8. }

    We should not use Hungarian notation as it is no longer used in C#.

    Note:-> Always use proper and meaningful names for declaring variables, method arguments, Classes, etc. for good readability of the code.

    Example:

    1. // Incorrect
    2. int iCounter;
    3. string strName;

    Coding Standards:

    1. Do not write constant with capital letters.

    Example:

    1. // Incorrect
    2. public static const double PIE = 3.14;

    2. Avoid using abbreviations.

    Example:

    1. // Incorrect
    2. UserGroup usrGrp;

    3. Avoid using Underscores in declaring identifiers.

    Example:

    1. // Incorrect
    2. public DateTime client_Appointment;

    We can use Underscore in declaring private static variables.

    4. Prefix I with the name of the interfaces.

    Example:

    1. public interface IShape
    2. {
    3. }

    5. Use proper indentation. (Ctrl+K+D) is a shortcut key to provide indentation in Visual Studio.

    Example:

    1. class Program
    2. {
    3.     static void Main(string[] args)
    4.     {
    5.     }
    6. }

    6. Declare static variables at top of the class.

    Example:

    1. public class Account
    2. {
    3.     public static string BankName;
    4.     public static decimal Reserves;
    5.  
    6.     public string Number {get; set;}
    7.  
    8.  
    9.     // Constructor
    10.     public Account()
    11.     {
    12.         // ...
    13.     }
    14. }

    7.Use singular names for enum.

    Example:

    1. public enum Color
    2. {
    3.     Red,
    4.     Green,
    5.     Blue,
    6.     Yellow,
    7.     Magenta,
    8.     Cyan
    9. }

    8. Donot suffix names of the enum with "Enum".

    Example:

    1. // Incorrect
    2. public enum CoinEnum
    3. {
    4.     Penny,
    5.     Nickel,
    6.     Dime,
    7.     Quarter,
    8.     Dollar
    9. }

    9. Use predefined type names instead of system type names.

    Example:

    1. //Correct
    2. int lastIndex;
    3.  
    4. //Incorrect
    5. Int32 lastIndex;

    10.Always declare namespaces with a clearly defined structure.

    Example:

    1. namespace Company.Product.Module.SubModule

    Happy Coding...!

    C# Naming Conventions and Coding Standards Coding Standards in C# Naming Conventions in C# C#
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