强大的DataGrid组件[12]_分组(Group)——Silverlight学习笔记[20]

最新推荐文章于 2024-05-31 14:49:14 发布

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最新推荐文章于 2024-05-31 14:49:14 发布

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本文介绍如何使用DataGrid实现数据分组，通过设置PagedCollectionView的GroupDescriptions属性和DataGrid的RowGroupHeaderStyles属性，实现了数据按部门和级别分组，并展示了具体的XAML和C#代码。

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在DataGrid中对数据进行分组能辨析数据的内部信息，反映数据间的依存关系。本文将为大家介绍如何在DataGrid中实施数据的分组。

需要了解的知识

1）PagedCollectionView

它代表了一个有关分组、排序、筛选和导航的分页数据集合。

2）PagedCollectionView的GroupDescriptions属性

对分组信息的描述，用于绑定需要分组的字段。

3）DataGrid的RowGroupHeaderStyles属性

用于设置分组标签头的样式。

实例

详细的说明在代码注释中给出。

MainPage.xaml文件代码：

<UserControl

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" x:Class="SilverlightClient.MainPage"

d:DesignWidth="320" d:DesignHeight="480">

<data:DataGrid x:Name="dgEmployee" Margin="8,8,8,52" FontSize="14" AutoGenerateColumns="False">

<data:DataGrid.RowGroupHeaderStyles>

</Style>

</Style>

</data:DataGrid.RowGroupHeaderStyles>

<data:DataGrid.Columns>

<data:DataGridTextColumn Header="工号" Binding="{Binding EmployeeID}"/>

<data:DataGridTextColumn Header="姓名" Binding="{Binding EmployeeName}"/>

<data:DataGridTextColumn Header="年龄" Binding="{Binding EmployeeAge}"/>

<data:DataGridTextColumn Header="部门" Binding="{Binding DepartmentName}"/>

<data:DataGridTextColumn Header="级别" Binding="{Binding Level}"/>

</data:DataGrid.Columns>

</data:DataGrid>

</Grid>

</UserControl>

MainPage.xaml.cs文件代码：

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 System.Windows.Data;

using System.ComponentModel;

namespace SilverlightClient

{

public class Employees

{

public int EmployeeID { get; set; }

public string EmployeeName { get; set; }

public int EmployeeAge { get; set; }

public string DepartmentName { get; set; }

public string Level { get; set; }

}

public partial class MainPage : UserControl

{

public MainPage()

{

InitializeComponent();

this.Loaded += new RoutedEventHandler(MainPage_Loaded);

}

public List<Employees> GetEmployees()

{

List<Employees> returnedValue = new List<Employees>();

returnedValue.Add(new Employees() { EmployeeID = 1, EmployeeName = "张三", EmployeeAge = 23, DepartmentName = "财务部", Level = "初级" });

returnedValue.Add(new Employees() { EmployeeID = 2, EmployeeName = "李四", EmployeeAge = 24, DepartmentName = "财务部", Level = "中级" });

returnedValue.Add(new Employees() { EmployeeID = 3, EmployeeName = "王五", EmployeeAge = 25, DepartmentName = "管理部", Level = "中级" });

returnedValue.Add(new Employees() { EmployeeID = 4, EmployeeName = "赵六", EmployeeAge = 26, DepartmentName = "管理部", Level = "初级" });

returnedValue.Add(new Employees() { EmployeeID = 5, EmployeeName = "钱七", EmployeeAge = 27, DepartmentName = "工程部", Level = "中级" });

returnedValue.Add(new Employees() { EmployeeID = 6, EmployeeName = "孙八", EmployeeAge = 28, DepartmentName = "工程部", Level = "初级" });

returnedValue.Add(new Employees() { EmployeeID = 7, EmployeeName = "小赵", EmployeeAge = 26, DepartmentName = "财务部", Level = "中级" });

returnedValue.Add(new Employees() { EmployeeID = 8, EmployeeName = "小钱", EmployeeAge = 28, DepartmentName = "财务部", Level = "高级" });

return returnedValue;

}

void MainPage_Loaded(object sender, RoutedEventArgs e)

{

PagedCollectionView pcv = new PagedCollectionView(GetEmployees());

pcv.GroupDescriptions.Add(new PropertyGroupDescription("DepartmentName"));//添加分组信息描述

pcv.GroupDescriptions.Add(new PropertyGroupDescription("Level"));

dgEmployee.ItemsSource = pcv;

}

最终效果图

作者：Kinglee
文章出处：Kinglee’s Blog ( http://www.cnblogs.com/Kinglee/)
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