Checking if an object is null in C#

Question

I would like to prevent further processing on an object if it is null.

In the following code I check if the object is null by either:

if (!data.Equal         


        

Answer 1

in C# > 7.0 use

if (obj is null) ...

This will ignore any == or != defined by the object (unless of course you want to use them ...)

For not null use if (obj is object) and from C# 9 you can also use if (obj is not null)