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# ：

 
  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 ; }
    }

}

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 
  >