Difference between IEnumerable and IQueryable in C#

Many developers use LINQ without knowing the real difference between these two important interfaces. C# Answers provides answers to common questions about the C# language and the related .NET system. Do you have a programming question about C# or .NET that you would like answered? Add it as a comment below and I try to answer them all! GitHub: https://github.com/ComponentFactory/CSharpAnswers