DateTime dteDate = new DateTime();            
dteDate = DateTime.Now;

首先，当您创建一个新的DateTime对象时，它会初始化为Now.您不需要第二行将其设置为现在".

Firstly, when you create a new DateTime object, it is intialized to Now. You don''t need second line to set it to Now.

dateTimePicker1.Value.Date = new DateTime(dteDate.Year, dteDate.Month, dteDate.Day);

您想在这里实现什么?


如果您只想为此选择器设置一些日期，请尝试如下操作:

What are you trying to achieve here?


If you just want to set some date to this picker then try something like this:

dateTimePicker1.Value = DateTime.Now.AddDays(1);

在此处阅读有关如何使用DateTimePickers的更多信息:
DateTimePicker.Value属性 [ DateTimePicker类 [

Read more on how to work with DateTimePickers here:
DateTimePicker.Value Property [^]
DateTimePicker Class[^]