Difference between Const and Static Readonly in C #

Differences:

The const value is determined during compilation. Therefore, it can only be specified through a constant expression during declaration. For example:

Public const π = 3.1415926;

Public const DayHours = 24;

Like these constant quantities, we 'd better use Const to declare them.

Static readonly is used to calculate its value during running, so it can also be assigned by a static constructor. For example:

Public static string m_CurrentMdbPath;

Public static string m_CurrentUserName;

Such as the amount specified during program initialization, cannot be declared with Const, but can only be declared with Static Readonly.