C# The type or namespace name `List’ could not be found. But I’m importing System.Collections.Generic;
The issue comes from your instantiation of new List(). These also need the generic component: public static List<string> items = new List<string>(); public static List<double> itemsprice = new List<double>(); public static List<double> qu = new List<double>(); That is, there is no type List but there is a generic type List<T>. More information and examples of … Read more