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 ; }

}

}

< 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 >