The name doesn't exist in the current context - How to resolve?

Question

When I try to access a class that is not in the current namespace while I also added using for that class namespace but still receive an error.

There is an

Answer 1

When you receive The name doesn't exist in the current context, you can check for these options:

• Maybe you haven't defined a variable or member with that name in the scope.
• Maybe you misspelled an existing variable or member name.
• Maybe the namespace that defines that class is missing.
• Maybe your project needs to add a reference to the dll contains that type.

For more information and example see:

• The name 'NNNN' does not exist in the current context (C#)