如何使用ContentStringFormat显示百分比值？ [英] How to display percent-values using ContentStringFormat?

问题描述

对开明的人的问候！

我现在玩了几个小时，但没有成功（可能是因为我对WPF比较陌生）：

我有一个DataGrid的DataContext绑定到一个DataTable。 DataGrid的大小是固定的，其目的是保存一个值表y（x）（即头部显示x值，相应的y值从剪贴板粘贴并显示在第一个DataGridRow中）。到现在为止还挺好。这些值被完美地粘贴（作为字符串赋值给dataTable.rows [0] [i]，其中i = 0 ... n）并且很好地显示。

显示的是百分比值，我希望它们显示为：

0.18将变成18％
$ b $所以，我决定使用适用于所有DataGridCell对象的样式来处理这个问题：

 << ; Style TargetType ={x：Type Controls：DataGridCell}> 
< Style.Setters> 
< Setter Property =ContentStringFormatValue ={} {0：P}/> 
< Setter Property =ForegroundValue =DarkGray/> 
< Setter Property =BackgroundValue =Yellow/> 
< /Style.Setters> 
< / style>然后背景和前景颜色被采用罚款，但数字仍然显示为小数（即b 
 
 
 
 
 0.18仍然是0.18。 
 
 
我该如何解决这个问题？
 
 
 b joerg 
解决方案
我相信你可以指定StringFormat和datagrid列的绑定定义。 > 
 
 
 < DataGridTextColumn Header =Column_HeaderBinding ={Binding Path = Field_Name，StringFormat ='{} {0：P}'} /> 
  
希望这有助于您，问候 
Greetings to the enlightened ones!


I'm playing on this for several hours now, but wasn't successful (perhaps because I'm quite new to WPF):

I have a DataGrid whose DataContext is bound to a DataTable. The DataGrid is of fixed size and its purpose is to hold a value table y(x) (i.e. the headers show the x-values and the corresponding y-values are pasted from the clipboard and shown in the first DataGridRow). So far so good. The values are pasted (assigned as strings to dataTable.rows[0][i] where i=0...n) perfectly and displayed well.

But the numbers displayed are percent-values and I want them to be displayed as such:

"0.18" shall become "18 %"

So, I decided to cope with this using a style which is to be applied to all DataGridCell objects:
<Style TargetType="{x:Type Controls:DataGridCell}">
    <Style.Setters>
        <Setter Property="ContentStringFormat" Value="{}{0:P}"/>
        <Setter Property="Foreground" Value="DarkGray"/>
        <Setter Property="Background" Value="Yellow"/>
    </Style.Setters>
</Style>
Then the background and foreground colors are adopted fine, but the numbers are still displayed as decimals (i.e. "0.18" still reads "0.18".

How can I fix this?

Thanks in advance
Joerg
解决方案
I believe you can specify StringFormat along with binding definition for the datagrid column. Smth. like this:
<DataGridTextColumn Header="Column_Header" Binding="{Binding Path=Field_Name, StringFormat='{}{0:P}'}"/>
hope this helps, regards

                        
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