更改DataGrid Cell WPF的颜色范围

本文介绍了更改DataGrid Cell WPF的颜色范围的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我需要实现一个功能，如果绑定项的值在特定范围内，则单元格颜色应该是根据范围。

Hi I need to implement a function that if the value of the binding items is within the specific range cell color should be according to the range.

我已经使用更改DataGrid Cell WPF 4的背景颜色

这个工作很好，但只有当这些值在那里时才是。如果我想添加范围，即从10到20，它是红色21-30它是蓝色的

this works fine but it is for only if that values are there.what if i want to add range i.e from 10 - 20 it is red 21-30 it is blue

添加了一切，最后看到一个例子，但这里的颜色不改变是代码

added everything and saw an example at the end but the color does not change here is the code

类

public class ConvertToBrush : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { int tempValue = int.Parse(value.ToString()); string tempString = "Red"; if (tempValue >= 0 && tempValue <= 20) tempString = "#FF0000"; if (tempValue > 20 && tempValue <= 40) tempString = "#F09300"; if (tempValue > 40 && tempValue <= 60) tempString = "#EDDF00"; if (tempValue > 60 && tempValue <= 80) tempString = "#FFFFFF"; if (tempValue > 80 && tempValue <= 100) tempString = "#85AB00"; SolidColorBrush brush = new SolidColorBrush(); BrushConverter conv = new BrushConverter(); brush = conv.ConvertFromString(tempString) as SolidColorBrush; return brush; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { return DependencyProperty.UnsetValue; } }

XMAL

<DataGridTextColumn ElementStyle="{StaticResource CentreAlignStyle}" Binding="{Binding TestResults}" Header="Results" IsReadOnly="True" MaxWidth="60" MinWidth="60" > <DataGridTextColumn.CellStyle> <Style> <Setter Property="TextBlock.Background" Value="{Binding TestResults, Converter={StaticResource makeBrush}}" /> </Style> </DataGridTextColumn.CellStyle> </DataGridTextColumn>

推荐答案

不要使用 DataTrigger ，但只需将背景绑定到该值并放入 ValueConverter 返回正确的画笔（或根本没刷）

Don't use a DataTrigger but just bind the Background to the value and put in a ValueConverter to return the right brush (or no brush at all).

编辑：使用情况应如下所示：

What the usage should look like:

<DataGridTextColumn.CellStyle> <Style> <Setter Property="Border.Background" Value="{Binding TestResults, Converter={StaticResource BrushConverter}}" /> </Style> </DataGridTextColumn.CellStyle>