Silverlight DataGrid行背景分组着色

利用Silverlight DataGrid LoadingRow事件传入参数DataGridRowEventArgs

我们可以获取到Row对象She之其背景。

下面是一个简单示例

C# ：

XAMl：

<UserControl x:Class="SilverlightApplication1.MainPage" 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
    mc:Ignorable="d" 
             xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data"   
    d:DesignHeight="300" d:DesignWidth="400" 
             xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity" 
     xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk"     
             xmlns:Test="clr-namespace:SilverlightApplication1;assembly=SilverlightApplication1">  
    <Grid x:Name="LayoutRoot">  
        <Grid.RowDefinitions>  
            <RowDefinition ></RowDefinition>  
            <RowDefinition Height="26" ></RowDefinition>  
        </Grid.RowDefinitions>  
        <data:DataGrid Grid.Row="0" x:Name="dgSource" Margin="3,3,3,3" RowBackground="Black" AutoGenerateColumns="False" LoadingRow="dgSource_LoadingRow" >  
            <data:DataGrid.Columns>  
                <data:DataGridTextColumn Header="ID" Binding="{Binding ID}" IsReadOnly="True" />  
                <data:DataGridTextColumn Header="Name" Binding="{Binding Name,Mode=TwoWay}" />  
                <data:DataGridTextColumn Header="Group" Binding="{Binding Group,Mode=TwoWay}" />  
                  
                <data:DataGridTextColumn Header="ID" Binding="{Binding ID}" IsReadOnly="True" />  
                <data:DataGridTextColumn Header="Name" Binding="{Binding Name,Mode=TwoWay}" />  
                <data:DataGridTextColumn Header="Group" Binding="{Binding Group,Mode=TwoWay}" />  
                  
                <data:DataGridTextColumn Header="ID" Binding="{Binding ID}" IsReadOnly="True" />  
                <data:DataGridTextColumn Header="Name" Binding="{Binding Name,Mode=TwoWay}" />  
                <data:DataGridTextColumn Header="Group" Binding="{Binding Group,Mode=TwoWay}" />  
            </data:DataGrid.Columns>              
        </data:DataGrid>  
        <StackPanel Orientation="Horizontal" Grid.Row="1">  
            <TextBox x:Name="maxCount" Width="300" Text="100000"></TextBox>  
            <Button x:Name="loadSource1" Click="LoadSource_Click" Content="Load Source" />  
            <Button x:Name="test1" Click="test1_Click" Content="Test bind" />  
            <Button  x:Name="test2"  Click="test2_Click" Content="Test 2"/>  
        </StackPanel>  
    </Grid>  
</UserControl>  
   

using System;  
using System.Collections.Generic;  
using System.Linq;  
using System.Net;  
using System.Windows;  
using System.Windows.Controls;  
using System.Windows.Documents;  
using System.Windows.Input;  
using System.Windows.Media;  
using System.Windows.Media.Animation;  
using System.Windows.Shapes;  
 
namespace SilverlightApplication1  
{  
    public partial class MainPage : UserControl  
    {  
        public MainPage()  
        {  
            InitializeComponent();  
        }  
 
        List<SourceModel> gridSources = new List<SourceModel>();  
 
        private void UserControl_Loaded(object sender, RoutedEventArgs e)  
        {  
        }  
 
        private void LoadSource(int n)  
        {  
            if (n < 1)  
                throw new Exception("should >=1");  
            gridSources.Clear();  
            for (int i = 0; i < n; i++)  
            {  
                gridSources.Add(new SourceModel() { ID = i.ToString(), Name = "test" + i, Group = ((int)(new Random().NextDouble() * i)).ToString() });  
            }  
 
            int j = 0;  
            gridSources = gridSources.OrderBy(t => t.Group).ToList();  
            gridSources.GroupBy(t => t.Group).ToList().ForEach(t =>  
            {  
                t.ToList().ForEach(k => k.BG = brushs[j % brushs.Length]);  
                j++;  
            });  
        }  
        Brush[] brushs = new Brush[] { new SolidColorBrush(Color.FromArgb(128, 135, 206, 235)), new SolidColorBrush(Color.FromArgb(255, 240, 255, 240)), new SolidColorBrush(Color.FromArgb(140, 255, 97, 0)) };  
        private void test1_Click(object sender, RoutedEventArgs e)  
        {  
            dgSource.ItemsSource = gridSources;  
        }  
 
        private void test2_Click(object sender, RoutedEventArgs e)  
        {  
 
        }  
 
        private void LoadSource_Click(object sender, RoutedEventArgs e)  
        {  
            LoadSource(int.Parse(this.maxCount.Text));  
        }  
 
        private void dgSource_LoadingRow(object sender, DataGridRowEventArgs e)  
        {  
            e.Row.Background = (e.Row.DataContext as SourceModel).BG;  
        }  
    }  
 
    public class SourceModel  
    {  
        public string ID { get; set; }  
        public string Name { get; set; }  
        public string Group { get; set; }  
        public Brush BG { get; set; }  
    }  
 
}