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# ：

1. <UserControl x:Class="SilverlightApplication1.MainPage" 
2.     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
3.     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
4.     xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
5.     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
6.     mc:Ignorable="d" 
7.              xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data"   
8.     d:DesignHeight="300" d:DesignWidth="400" 
9.              xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity" 
10.      xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk"     
11.              xmlns:Test="clr-namespace:SilverlightApplication1;assembly=SilverlightApplication1">  
12.     <Grid x:Name="LayoutRoot">  
13.         <Grid.RowDefinitions>  
14.             <RowDefinition ></RowDefinition>  
15.             <RowDefinition Height="26" ></RowDefinition>  
16.         </Grid.RowDefinitions>  
17.         <data:DataGrid Grid.Row="0" x:Name="dgSource" Margin="3,3,3,3" RowBackground="Black" AutoGenerateColumns="False" LoadingRow="dgSource_LoadingRow" >  
18.             <data:DataGrid.Columns>  
19.                 <data:DataGridTextColumn Header="ID" Binding="{Binding ID}" IsReadOnly="True" />  
20.                 <data:DataGridTextColumn Header="Name" Binding="{Binding Name,Mode=TwoWay}" />  
21.                 <data:DataGridTextColumn Header="Group" Binding="{Binding Group,Mode=TwoWay}" />  
22.                   
23.                 <data:DataGridTextColumn Header="ID" Binding="{Binding ID}" IsReadOnly="True" />  
24.                 <data:DataGridTextColumn Header="Name" Binding="{Binding Name,Mode=TwoWay}" />  
25.                 <data:DataGridTextColumn Header="Group" Binding="{Binding Group,Mode=TwoWay}" />  
26.                   
27.                 <data:DataGridTextColumn Header="ID" Binding="{Binding ID}" IsReadOnly="True" />  
28.                 <data:DataGridTextColumn Header="Name" Binding="{Binding Name,Mode=TwoWay}" />  
29.                 <data:DataGridTextColumn Header="Group" Binding="{Binding Group,Mode=TwoWay}" />  
30.             </data:DataGrid.Columns>              
31.         </data:DataGrid>  
32.         <StackPanel Orientation="Horizontal" Grid.Row="1">  
33.             <TextBox x:Name="maxCount" Width="300" Text="100000"></TextBox>  
34.             <Button x:Name="loadSource1" Click="LoadSource_Click" Content="Load Source" />  
35.             <Button x:Name="test1" Click="test1_Click" Content="Test bind" />  
36.             <Button  x:Name="test2"  Click="test2_Click" Content="Test 2"/>  
37.         </StackPanel>  
38.     </Grid>  
39. </UserControl>  
40.    

1. using System;  
2. using System.Collections.Generic;  
3. using System.Linq;  
4. using System.Net;  
5. using System.Windows;  
6. using System.Windows.Controls;  
7. using System.Windows.Documents;  
8. using System.Windows.Input;  
9. using System.Windows.Media;  
10. using System.Windows.Media.Animation;  
11. using System.Windows.Shapes;  
12.  
13. namespace SilverlightApplication1  
14. {  
15.     public partial class MainPage : UserControl  
16.     {  
17.         public MainPage()  
18.         {  
19.             InitializeComponent();  
20.         }  
21.  
22.         List<SourceModel> gridSources = new List<SourceModel>();  
23.  
24.         private void UserControl_Loaded(object sender, RoutedEventArgs e)  
25.         {  
26.         }  
27.  
28.         private void LoadSource(int n)  
29.         {  
30.             if (n < 1)  
31.                 throw new Exception("should >=1");  
32.             gridSources.Clear();  
33.             for (int i = 0; i < n; i++)  
34.             {  
35.                 gridSources.Add(new SourceModel() { ID = i.ToString(), Name = "test" + i, Group = ((int)(new Random().NextDouble() * i)).ToString() });  
36.             }  
37.  
38.             int j = 0;  
39.             gridSources = gridSources.OrderBy(t => t.Group).ToList();  
40.             gridSources.GroupBy(t => t.Group).ToList().ForEach(t =>  
41.             {  
42.                 t.ToList().ForEach(k => k.BG = brushs[j % brushs.Length]);  
43.                 j++;  
44.             });  
45.         }  
46.         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)) };  
47.         private void test1_Click(object sender, RoutedEventArgs e)  
48.         {  
49.             dgSource.ItemsSource = gridSources;  
50.         }  
51.  
52.         private void test2_Click(object sender, RoutedEventArgs e)  
53.         {  
54.  
55.         }  
56.  
57.         private void LoadSource_Click(object sender, RoutedEventArgs e)  
58.         {  
59.             LoadSource(int.Parse(this.maxCount.Text));  
60.         }  
61.  
62.         private void dgSource_LoadingRow(object sender, DataGridRowEventArgs e)  
63.         {  
64.             e.Row.Background = (e.Row.DataContext as SourceModel).BG;  
65.         }  
66.     }  
67.  
68.     public class SourceModel  
69.     {  
70.         public string ID { get; set; }  
71.         public string Name { get; set; }  
72.         public string Group { get; set; }  
73.         public Brush BG { get; set; }  
74.     }  
75.  
76. }