📜  可空对象必须有一个值. - 无论代码示例

📅  最后修改于: 2022-03-11 14:55:56.040000             🧑  作者: Mango

代码示例1
This error occurs when you blindly call Value on a nullable type. Make sure you have a value on the nullable type (using HasValue) before calling Value on it.