我在指定的表单上有一个DateTimePicker控件,如下所示:
dtpEntry.Format = DateTimePickerFormat.Custom;
dtpEntry.CustomFormat = "dd/MM/yyyy hh:mm:ss";
dtpEntry.ShowUpDown = true;
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我希望用户只能以5分钟的增量递增或递减时间.
关于如何实现这一目标的任何建议?
我想创建一个看起来像这样的字段....任何人都可以告诉我如何做到这一点我可以使用哪个字段我可以通过使用轨迹球/滚轮选择值,或者在风暴的情况下我可以滑动. ..
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user-interface datetime blackberry custom-controls datetimepicker
我需要有一个弹出对话框,如颜色对话框或保存对话框,但需要从日历中选择日期.DateTimePicker是我需要的,但我不知道如何像C#中的弹出对话框那样启动它.
我正在尝试创建一个DateTimePicker显示的周数,如此处所示(代码项目示例).
除了一个小细节外,它的效果相当不错; 尝试选择日期时弹出的日历尺寸不正确.如您所见,日历区域有点"狭窄",尤其是沿着右边缘.

我可以在这里单击右下角,然后将其拖出一点 - 只需将其展开以使其看起来正确:

我似乎无法找到任何方法强制日历从一开始就是正确/完整的大小,或调整它的大小.任何想法将不胜感激.
如何为时间选择器(以及日期选择器)实现此布局?默认布局是(非常大)时钟或(非美)微调器样式时间选择器.我在几个应用程序中看到了这一点,但无法找到如何实现这种外观和感觉.

我想禁用引导日期时间选择器选择某些小时,因为我只选择从8:00 am到19:00 pm的时间。
我对此一无所获。你能帮助我吗?
我一直试图将我的输入日期增加/减少一天,但现在到了哪里.
看我的代码:
功能
function backDay() {
var date = $('input#datetimepicker').val();
var NewDate = moment().subtract(1, 'day');
$('input#datetimepicker').val(NewDate);
}
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HTML
<input class="form-control" style="text-align:center" type="text" id="datetimepicker" name="CurrentDay" value="{{ date('d/m/Y') }}">
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添加按钮返回1天
<button onclick="backDay()">Go back 1 Day</button>
Run Code Online (Sandbox Code Playgroud) 我正在尝试将外部库应用于日期时间选择器.我收到如下错误
ERROR Error: Uncaught (in promise): Error: No value accessor for form control with name: 'dateTimeDeparture'
Error: No value accessor for form control with name: 'dateTimeDeparture'
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我的代码如下:
模板:
<owl-dateTime-input [(ngModel)]="flightDetails.dateTimeDeparture" name="dateTimeDeparture" [locale]="en" required></owl-dateTime-input>
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零件:
this.en = {
firstDayOfWeek: 0,
dayNames: ["Sunday", "Monday", "Tuesday","Wednesday", "Thursday", "Friday", "Saturday"],
dayNamesShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
monthNames: [ "January","February","March","April","May","June","July","August","September","October","November","December" ],
monthNamesShort: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun","Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]
};
this.flightDetails = {
dateTimeDeparture: new Date(2017, 8, …Run Code Online (Sandbox Code Playgroud) datetimepicker angular angular-reactive-forms angular4-forms
我已经在Flutter应用程序中实现了DatePicker。我试图将选择器限制为仅允许用户选择工作日。但是,我不确定如何执行此操作。我相信这与SelectableDayPredicate有关。以下是我的代码片段:
Future<Null> _selectDate(BuildContext context) async {
final DateTime picked = await showDatePicker(
context: context,
initialDate: _date,
firstDate: new DateTime(DateTime.now().year),
lastDate: new DateTime(DateTime.now().year+1),
// to do: I am pretty sure the SelectableDayPredicate should go somewhere here.
);
if (picked != null && picked != _date) {
setState(() {
_date = picked;
});
}
}
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当用户点击listTile时,将调用_selectDate函数。
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