DateTimePicker日期已过 [英] DateTimePicker date has passed

问题描述

大家好.

在我的winform中，我有一个DateTimePicker.
我想做的是进行验证，如果选择的日期已经过去，那么它应该给出错误.
我想把它放在另一个if语句中，例如

if(此处为DateTimePicker验证)
{

Hello everyone.

In my winforms, i have a DateTimePicker.
what i want to do is put a validation that if the a selected date has already been passed then it should give an error.
I want to put this in an else if statement like

if(DateTimePicker Validation here)
{

TxtToolStrip.Text = "Date entered has passed";
                DateTimePicker.Focus();

}

现在我不知道要输入什么代码.有人可以帮我吗.谢谢大家.

}

Now i dont know what code to type. Can someone please help me out. Thanks everyone.

推荐答案

if (myDateTimePicker.Value < DateTime.Now)
   {
   ...
   }

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