1.An event in .net acts as a notification mechanism.2.Events will follow Publisher and subscriber mechanism.3.By using Events we can notify the changes happening to a particular object to the other objects.4.In .NET Events are usually used in GUI Programming for executing some code in response to an users action like clicking on a button or selecting a new item from dropdown list etc..5.Event is an just an extension to the delegates.6.Event is always having return type as delegate.7.Event can be declared either inside a class or inside a namespace.For learning more about C# interview Questions you can refer this link csharp interview questions