C# Compiler Error – CS0191 a readonly field cannot be assigned to (

In this blog post, you’ll learn more about the C# Compiler Error – CS0191 and the related message description

C# Compiler Error Code

CS0191

C# Compiler Description for the Code :CS0191

A readonly field cannot be assigned to (except in a constructor or init-only setter of the type in which the field is defined or a variable initializer)