Sliverlight学习笔记七DataGrid控件
这一节是DataGrid,绑定数据源
效果如下图:
1.DataGridDemo.xaml
<UserControl xmlns:datagrid="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data" x:Class="Silverlight.Common.View.DataGridDemo"
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"
xmlns:dataform="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data.DataForm.Toolkit"
xmlns:input="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Input.Toolkit"
xmlns:sys="clr-namespace:System;assembly=mscorlib">
<StackPanel>
<ContentControl Content="DataGrid" />
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="310"/>
<RowDefinition Height="25"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="180"/>
<ColumnDefinition Width="840"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<StackPanel Grid.Column="0">
<CheckBox Content="不可编辑" x:Name="IsEditable" IsChecked="{Binding IsReadOnly, ElementName=dataGrid, Mode=TwoWay}" Margin="4" />
<CheckBox Content="否可更改列的显示顺序" IsChecked="{Binding CanUserReorderColumns, ElementName=dataGrid, Mode=TwoWay}" Margin="4" />
<CheckBox Content="列宽是否可变" IsChecked="{Binding CanUserResizeColumns, ElementName=dataGrid, Mode=TwoWay}" Margin="4" />
<CheckBox Content="是否可单击列标题来对列排序" IsChecked="{Binding CanUserSortColumns, ElementName=dataGrid, Mode=TwoWay}" Margin="4" />
<TextBlock Text="无法水平滚动的列数" Margin="4" />
<input:NumericUpDown Width="100" HorizontalAlignment="Left" Minimum="0" Margin="4" Value="{Binding FrozenColumnCount, ElementName=dataGrid, Mode=TwoWay}" />
<CheckBox x:Name="cbGroupping" Content="是否分组显示" Margin="4" Click="OnClick" />
<CheckBox Content="数据格式验证" IsChecked="{Binding IsValid, ElementName=dataGrid, Mode=TwoWay}" Margin="4" />
<TextBlock Text="何时显示行的详细信息部分:" Margin="4" />
<ComboBox HorizontalAlignment="Left" Width="auto" SelectedItem="{Binding RowDetailsVisibilityMode, ElementName=dataGrid, Mode=TwoWay}" Margin="4" SelectedIndex="2">
<sys:String>Collapsed</sys:String>
<sys:String>Visible</sys:String>
<sys:String>VisibleWhenSelected</sys:String>
</ComboBox>
<TextBlock Text="选择行为:" Margin="4" />
<ComboBox HorizontalAlignment="Left" Width="70" SelectedItem="{Binding SelectionMode, ElementName=dataGrid, Mode=TwoWay}" Margin="4" SelectedIndex="1">
<sys:String>Single</sys:String>
<sys:String>Extended</sys:String>
</ComboBox>
</StackPanel>
<datagrid:DataGrid x:Name="dataGrid" Width="820" Height="310" ColumnWidth="100" ItemsSource="{Binding}" HorizontalAlignment="Stretch" VerticalAlignment="Top" Margin="4" MaxHeight="300" Grid.Column="1">
<datagrid:DataGrid.RowDetailsTemplate>
<DataTemplate>
<StackPanel Background="LightBlue">
<StackPanel Orientation="Horizontal">
<TextBlock Text="This item has details." />
</StackPanel>
<StackPanel Orientation="Horizontal">
<TextBlock Text="Here is some data: " />
<TextBlock Text="{Binding Name}" />
<TextBlock Text=" " />
<TextBlock Text="{Binding Password}" />
</StackPanel>
</StackPanel>
</DataTemplate>
</datagrid:DataGrid.RowDetailsTemplate>
</datagrid:DataGrid>
<datagrid:DataPager Width="820" Height="24" Grid.Row="1" Margin="0,-15,0,0" Grid.Column="1" Source="{Binding}" PageSize="10" />
<StackPanel Grid.Column="2">
<dataform:DataForm x:Name="dataForm" Margin="4" Grid.Column="2" ItemsSource="{Binding}" >
</dataform:DataForm>
</StackPanel>
</Grid>
</StackPanel>
</UserControl>
2.DataGridDemo.cs
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;
using Silverlight.Common.Core;
using System.Windows.Data;
namespace Silverlight.Common.View
{
public partial class DataGridDemo : UserControl
{
public DataGridDemo()
{
InitializeComponent();
//绑定数据源,赋值
PagedCollectionView pcv = new PagedCollectionView(UserList.GetUserList());
DataContext = pcv;
}
private void OnClick(object sender, RoutedEventArgs e)
{
if ((bool)this.cbGroupping.IsChecked)
{
//分组显示
PagedCollectionView Groupping = new PagedCollectionView(UserList.GetUserList());
Groupping.GroupDescriptions.Add(new PropertyGroupDescription("Password"));
Groupping.GroupDescriptions.Add(new PropertyGroupDescription("Name"));
DataContext = Groupping;
}
else
{
DataContext = UserList.GetUserList();
}
}
}
}
3.User.cs
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
namespace Silverlight.Common.Core
{
public class User
{
/// <summary>
/// 用户ID
/// </summary>
public virtual int UserID { get; set; }
/// <summary>
/// 用户名
/// </summary>
public virtual string UserName { get; set; }
/// <summary>
/// 用户姓名
/// </summary>
public virtual string Name { get; set; }
/// <summary>
/// 用户密码
/// </summary>
public virtual string Password { get; set; }
/// <summary>
/// 用户描述
/// </summary>
public virtual string Description { get; set; }
/// <summary>
/// 是否启用
/// </summary>
public virtual bool IsEnabled { get; set; }
/// <summary>
/// 密码恢复问题
/// </summary>
public virtual string Question { get; set; }
/// <summary>
/// 密码恢复答案
/// </summary>
public virtual string Answer { get; set; }
}
}
4.UserList.cs
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Collections.Generic;
namespace Silverlight.Common.Core
{
public static class UserList
{
public static IList<User> GetUserList()
{
IList<User> userList = new List<User>();
userList.Add(new User { Answer="我的家乡在哪?",Description="超级管理员权限",IsEnabled=true,Name="吴建强",Password="11111",Question="山西省神池县",UserID=1,UserName="admin"});
userList.Add(new User { Answer = "我最喜欢的国家?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "sfsgfsd", Question = "韩国", UserID = 2, UserName = "lxt" });
userList.Add(new User { Answer = "我最喜欢的人?", Description = "普通用户权限", IsEnabled = true, Name = "李秀婷", Password = "11111", Question = "山西省神池县", UserID = 3, UserName = "wjq" });
userList.Add(new User { Answer = "我最喜欢的明星?", Description = "普通用户权限", IsEnabled = true, Name = "权相宇,李连杰", Password = "11111", Question = "权相宇,李连杰", UserID = 4, UserName = "qxy" });
userList.Add(new User { Answer = "我最爱看的电影?", Description = "普通用户权限", IsEnabled = true, Name = "李连杰", Password = "11111", Question = "精武英雄", UserID = 5, UserName = "lxj" });
userList.Add(new User { Answer = "我最爱看的电视剧?", Description = "普通用户权限", IsEnabled = true, Name = "权相宇", Password = "11111", Question = "《悲伤恋歌》", UserID = 6, UserName = "admin" });
userList.Add(new User { Answer = "我的梦想?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "11111", Question = "成为亿万富翁", UserID = 7, UserName = "llj" });
userList.Add(new User { Answer = "我最喜欢事?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "11111", Question = "编程", UserID = 8, UserName = "admin" });
userList.Add(new User { Answer = "我的家乡在哪?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "11111", Question = "山西省神池县", UserID = 9, UserName = "admin" });
userList.Add(new User { Answer = "我的家乡在哪?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "11111", Question = "山西省神池县", UserID = 10, UserName = "admin" });
userList.Add(new User { Answer = "我的家乡在哪?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "11111", Question = "山西省神池县", UserID = 11, UserName = "admin" });
userList.Add(new User { Answer = "我最喜欢事?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "11111", Question = "编程", UserID = 12, UserName = "admin" });
userList.Add(new User { Answer = "我的家乡在哪?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "11111", Question = "山西省神池县", UserID = 13, UserName = "admin" });
userList.Add(new User { Answer = "我的家乡在哪?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "11111", Question = "山西省神池县", UserID = 14, UserName = "admin" });
userList.Add(new User { Answer = "我的家乡在哪?", Description = "普通用户权限", IsEnabled = true, Name = "吴建强", Password = "11111", Question = "山西省神池县", UserID = 15, UserName = "admin" });
return userList;
}
}
}
注:其中的一部分主要属性已在左侧列出,并且点击按钮就能看到它的效果
DataForm是用来显示所选中的数据
DataPager用来分页,其中的PageSize是每页显示的条数。
此DataGrid自带数据有效性验证
源代码下载:https://files.cnblogs.com/salam/Silverlight.Common.rar