事实上，变量 "compte" 是 DirectoryEntry 类型，我将其切换为 SearchResult，现在我可以使用以下方法访问它的值:

In fact, the variable "compte" is of type DirectoryEntry, I switched it to SearchResult, and now I can access it value with :

compte.Properties["ENTPersonDateNaissance"][0].ToString()

希望能帮到你.