HeaderTemplate中DataGrid中的WPF [英] HeaderTemplate in DataGrid WPF

问题描述

我需要有一种一个datepicker在我的DataGrid标题为列。当用户从该头日期选择的时间，该系统应结合该日期的所有列的单元的日期。

有没有办法做到这一点？

I need to have a kind of a datepicker in my datagrid header for one of the columns. When the user selects the date from this header datepicker, the system should bind this date to all the column cells with the date.
Is there a way to do it?

推荐答案

最好的办法就是到标题的DataTemplate中设置为包含一个datepicker的日期是绑定到DataGrid的的DataContext的一个属性的自定义模板，然后绑定细胞这个特定的列相同的属性。

the best way is to set the header's dataTemplate to a custom template containing a DatePicker whose Date is bound to one of the DataGrid's DataContext's properties, then bind the cells in this specific column to the same property.

是这样的：

    <DataGrid>
        <DataGridTextColumn Binding="{Binding DataContext.myDate, RelativeSource={RelativeSource AncestorType=DataGrid}, Mode=OneWay}" >
            <DataGridTextColumn.HeaderStyle>
                <Style TargetType="{x:Type DataGridColumnHeader}">
                    <Style.Setters>
                        <Setter Property="ContentTemplate">
                            <Setter.Value>
                                <DataTemplate>
                                    <DatePicker SelectedDate={Binding myDate, Mode=TwoWay} />
                                </DataTemplate>
                            </Setter.Value>
                        </Setter>
                    </Style.Setters>
                </Style>
            </DataGridTextColumn.HeaderStyle>
        </DataGridTextColumn>
    </DataGrid>

免责声明：我没有尝试这一点，我不知道有关 {结合DataContext.myDate，的RelativeSource = {的RelativeSource AncestorType = DataGrid中} 的事情。你可能将不得不做一些调整，但总体而言，这应该给你如何进行启动

Disclaimer: I did not try this and am not sure about the {Binding DataContext.myDate, RelativeSource={RelativeSource AncestorType=DataGrid} thing. You would probably have do to some adjustments, but overall, this should give you a start on how to proceed

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