我创建了一个桌面应用程序。我有一个问题plzz帮助我。 [英] I have created a desktop application.i am having a problem plzz help me.

问题描述

有一个名为issueDate的datetimepicker。其他datetimepicker为returnDate。

当用户在issueDate中选择日期时，returnDate控件必须自动将月份添加到issueDate中选择的日期，并在returnDate控件中显示新的计算日期。

请帮我一下这个代码



我尝试过：



我正在寻找能够帮助我解决这个问题的代码。我试过但没有任何结果。

There is a datetimepicker named issueDate. Other datetimepicker as returnDate.
When user selects a date in issueDate the returnDate control has to automatically add months to the date selected in issueDate and show new calculated date in the returnDate control.
Please help me with the code

What I have tried:

I m looking for the code that will help me to solve this problem. I tried but nothing is working out.

推荐答案

//为issueDate dateTimePicker生成一个ValueChanged事件，像这样的代码它会完成你的工作

// generate a ValueChanged Event for issueDate dateTimePicker and code like this it will do your job

private void issueDate_ValueChanged(object sender, EventArgs e)
        {
          
            DateTime issueDate = issueDate.Value;
            returnDate.Value = issueDate.AddMonths(2);
        }

将 ValueChanged 事件添加到 issueDate 日期时间选择器

Add ValueChanged event to the issueDate date time picker

private void issueDate_ValueChanged(object sender, EventArgs e)
        {
            int monthsToAdd =10;
           var date =  issueDate.Value.AddMonths(monthsToAdd);
           returnDate.Value = date;
        }

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