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关于[What is NullReferenceException in C#?]的摘要:

In C#, a NullReferenceException occurs when we try to access a variable whose value has not been set or has been set to null. It can be easy to trigger this exception accidentally, so it’s important to be aware of how to avoid it in the first place. In this article, we’ll take a look at some common causes of NullReferenceException errors and how to fix them. We’ll also discuss ways to prevent NullReferenceException errors from happening in the first place.

原文地址: https://code-maze.com/csharp-nullreferenceexception/

收录时间: 2022-09-21 浏览量: 151 分类: C#

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