Difference between byte vs Byte data types in C#

 

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  • What is the difference between String and string in C#? 59 answers

    • The byte keyword is an alias for the System.Byte data type.

    They represent the same data type, so the resulting code is identical. There are only some differences in usage:

  • You can use byte even if the System namespace is not included. To use Byte you have to have a using System; at the top of the page, or specify the full namespace System.Byte .

  • There are a few situations where C# only allows you to use the keyword, not the framework type, for example:

    • . 

    enum Fruits : byte // this works
{
  Apple, Orange
}

enum Fruits : Byte // this doesn't work
{
  Apple, Orange
}

    byte and System.Byte in C# are identical. byte is simply syntactic sugar, and is recommended by StyleCop (for style guidelines).

    C# has a number of aliases for the .NET types. byte is an alias for Byte just as string is an alias for String and int is an alias for Int32 . Ie byte and Byte are the same actual type.

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