C# language specification. For more information, see the following sections of the C# language specification: The is operator; The as operator; Cast expressions; The typeof operator; See also. C# operators and expressions; How to safely cast by using pattern matching and the is and as operators; Generics in .NET

Oct 23, 2015 · Does 'as' keyword in C# only converts Object type variables to the type I desire?

Aug 23, 2022 · So, to overcome such types of exception C# provides the operator keyword as. The as operator is used to perform conversion between compatible reference types or Nullable types. This operator returns the object when they are compatible with the given type and return null if the conversion is not possible instead of raising an exception.

Sep 25, 2008 · you can definitely do that but it's not exactly best practice because you don't want to rely on the caller or external systems to ensure your value isn't null. If you're using C#6 then you could do (o as string)?. ToLower(). –

Mar 11, 2022 · C# provides pattern matching statements that perform a cast conditionally only when it will succeed. C# also provides the is and as operators to test if a value is of a certain type. The following example shows how to use the pattern matching is statement: var g = new Giraffe(); var a = new Animal(); FeedMammals(g); FeedMammals(a); // Output ...

May 9, 2019 · Both is and as keywords are used for type casting in C#. When you take a look at the IL code of usages of both the keywords, you will get the difference easily. C# Code:

Jul 13, 2023 · The as operator in C# allows you to explicitly convert the result of an expression to a given reference type or a nullable value type. If the conversion isn’t possible, as returns null.

Jan 9, 2020 · This guide will clarify the difference between the "Is" and "As" Operators in C# and help you incorporate them into your applications effectively.

Feb 19, 2024 · In this article, we will learn about the type-testing as and is operators in C#, talk about each in detail and teach you when to use them.

Sep 21, 2024 · In C# programs we use "as" to cast. We gain performance and avoid exceptions when a cast is invalid. Null is returned when the cast is impossible.