WPF datagrid 动态增加列
DataGrid动态增加列
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<StackPanel Orientation="Horizontal">
<Button Content="Add Column" Click="AddColumn_Click" Margin="5"/>
<Button Content="Add Data" Click="AddData_Click" Margin="5"/>
</StackPanel>
<DataGrid x:Name="dataGrid" AutoGenerateColumns="True" Grid.Row="1"/>
</Grid>
</Window>
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Dynamic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
namespace WpfApplication1
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
ObservableCollection<ExpandoObject> items = new ObservableCollection<ExpandoObject>();
public MainWindow()
{
InitializeComponent();
for (int i = 0; i < 5; i++)
{
dynamic item = new ExpandoObject();
item.A = "Property A value - " + i.ToString();
item.B = "Property B value - " + i.ToString();
items.Add(item);
}
dataGrid.Columns.Add(new DataGridTextColumn() { Header = "A", Binding = new Binding("A") });
dataGrid.Columns.Add(new DataGridTextColumn() { Header = "B", Binding = new Binding("B") });
dataGrid.ItemsSource = items;
}
private void AddData_Click(object sender, RoutedEventArgs e)
{
dynamic item = new ExpandoObject();
item.A = "New Item - A";
item.B = "New Item - B";
items.Add(item);
}
int newColumnIndex = 1;
private void AddColumn_Click(object sender, RoutedEventArgs e)
{
foreach (IDictionary<String, Object> item in items)
{
item.Add("NewColumn" + newColumnIndex, "New Column Value - " + newColumnIndex.ToString());
}
dataGrid.Columns.Add(new DataGridTextColumn() { Header = "New Column" + newColumnIndex, Binding = new Binding("NewColumn" + newColumnIndex) });
newColumnIndex++;
}
}
}
https://social.microsoft.com/Forums/zh-CN/69ac1292-9512-4bd3-b691-795f64cb0aa0/wpf-datagrid-?forum=wpfzhchs
作者:三小
声明:原创博客请在转载时保留原文链接或者在文章开头加上本人博客地址,如发现错误,欢迎批评指正。凡是转载于本人的文章,不能设置打赏功能,如有特殊需求请与本人联系!