C# Compiler Error – CS0138 a ‘using namespace’ directive can only b

In this blog post, you’ll learn more about the C# Compiler Error – CS0138 and the related message description

C# Compiler Error Code

CS0138

C# Compiler Description for the Code :CS0138

A ‘using namespace’ directive can only be applied to namespaces; ‘{0}’ is a type not a namespace. Consider a ‘using static’ directive instead