[英]How do I bind list with WPF datagrid in C#?
我似乎無法弄清楚如何將數據從wfp導入列表並綁定到datagrid。
xaml表單顯示正常
我創建了屬性,我創建了一個繼承基類的類,即code360。 我在線嘗試了很多資源,但沒有為我工作。 我試圖硬編碼輸入,看看它是否會填充網格,但沒辦法。 像這樣
{firstName = "Tim", lastName = "Joy",
email = "tim@joy.com",
phoneNumber = "0988390243",
amount = 200000 }
這是mainWindow.xaml.cs
using System;
using System.Collections.Generic;
using System.Windows;
namespace Code360
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
public class code360
{
public string firstName { get; set; }
public string lastName { get; set; }
public string email { get; set; }
public string phoneNumber { get; set; }
public decimal amount { get; set; }
}
public class Code360Manager : List<code360>
{
public Code360Manager()
{
Add(new code360() {firstName = "Tim", lastName = "Joy", email = "tim@joy.com", phoneNumber = "0988390243", amount = 200000 });
}
}
private void SubmitButton_Click(object sender, RoutedEventArgs e)
{
//studentGrid.ItemsSource = Code360Manager();
MessageBox.Show("This is to test the firstname", firstName.Text);
}
}
}
這是mainWindow.xaml
<Window x:Class="Code360.MainWindow"
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:local="clr-namespace:Code360"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<Grid>
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="20" />
<RowDefinition Height="auto" />
<RowDefinition Height="auto" />
<RowDefinition Height="auto" />
<RowDefinition Height="auto" />
<RowDefinition Height="auto" />
<RowDefinition Height="*" />
<RowDefinition Height="20" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="20" />
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="20" />
</Grid.ColumnDefinitions>
<TextBlock Grid.Row="1" Grid.Column="1" FontSize="36"
Text="Code360 Student Record" Grid.ColumnSpan="3"
Margin="0,0,0,10" />
<TextBlock Grid.Column="1" Grid.Row="2"
Text="First Name" Margin="0,0,0,10"/>
<TextBox x:Name="firstName" Grid.Column="2" Grid.Row="2"
Width="150" Margin="0,0,0,10"/>
<TextBlock Grid.Column="3" Grid.Row="2" Text="Last Name" Margin="0,0,0,10"/>
<TextBox x:Name="lastName" Grid.Column="4" Grid.Row="2" Width="150" Margin="0,0,0,10"/>
<TextBlock Grid.Column="1" Grid.Row="3"
Text="Email" Margin="0,0,0,10"/>
<TextBox x:Name="email" Grid.Column="2" Grid.Row="3"
Width="150" Margin="0,0,0,10"/>
<TextBlock Grid.Column="3" Grid.Row="3"
Text="Phone Number" Margin="0,0,0,10"/>
<TextBox x:Name="phonenumber" Grid.Column="4" Grid.Row="3"
Width="150" Margin="0,0,0,10"/>
<TextBlock Grid.Column="1" Grid.Row="4"
Text="Amount" Margin="0,0,0,10"/>
<TextBox x:Name="amount" Grid.Column="2" Grid.Row="4"
Width="150" Margin="0,0,0,10"/>
<Button x:Name="submitButton" Content="Submit"
Grid.Column="4" Grid.Row="4"
Margin="0,0,0,10" Click="SubmitButton_Click" />
<DataGrid x:Name="studentGrid" Grid.Column="1" Grid.Row="5" MinWidth="20" Grid.ColumnSpan="5" Margin="22,0,45,154" Grid.RowSpan="2" ItemsSource="{StaticResource Code360Manager}">
<DataGrid.Columns>
<DataGridTextColumn Header="First Name" Binding="{Binding firstName}" />
<DataGridTextColumn Header="Last Name" Binding="{Binding lastName}" />
<DataGridTextColumn Header="Email"
Binding="{Binding email}" />
<DataGridTextColumn Header="Phone Number" Binding="{Binding phonenumber}" />
<DataGridTextColumn Header="Amount" Binding="{Binding amount}" />
</DataGrid.Columns>
<DataGrid.RowDetailsTemplate>
<DataTemplate>
<TextBlock Text="{Binding Details}" />
</DataTemplate>
</DataGrid.RowDetailsTemplate>
</DataGrid>
</Grid>
</Grid>
</Window>
我相信你需要設置DataContext。 在InitializeComponent();之后:DataContext = this; 編輯:(抱歉。我發了很多評論)。 您需要將xaml設置為上下文。 通常使用MainWindowViewModel。 我更改您的代碼以將ItemsSource設置為List <>而不是類:
public partial class MainWindow : Window
{
public List<code360> Code360Manager { get; set; } = new List<code360>();
public MainWindow()
{
InitializeComponent();
Code360Manager.Add(new code360() {firstName = "Tim", lastName = "Joy", email = "tim@joy.com", phoneNumber = "0988390243", amount = 200000 });
DataContext = this;
}
private void SubmitButton_Click(object sender, RoutedEventArgs e)
{
//studentGrid.ItemsSource = Code360Manager();
MessageBox.Show("This is to test the firstname", firstName.Text);
}
}
public class code360
{
public string firstName { get; set; }
public string lastName { get; set; }
public string email { get; set; }
public string phoneNumber { get; set; }
public decimal amount { get; set; }
}
1.要使用Binding
需要設置DataContext
屬性
InitializeComponent();
this.DataContext = this;
2.u需要一個集合來綁定xaml.cs中的DataGrid
List<code360> MyList { get; set; }
List<code360> MyList { get; set; }
List<code360> MyList { get; set; }
//確保你有這個列表中的數據
3. ItemsSource
prop將采用集合,因此你需要將它與集合綁定ItemsSource="{Binding MyList }
// note the list name is same as the in 2 ponit
這也不是跟隨mvvm
我在Visual Studio中粘貼了該代碼,除此之外,我遇到了一行問題: ItemsSource="{StaticResource Code360Manager}"
從你分享的XAML中我看不到你在哪里定義資源所以請考慮以下內容。
<Grid.Resources>
<local:Code360Manager x:Key="Code360Manager" />
</Grid.Resources>
在定義網格之后,您將看到數據網格渲染
Grid不會將數據輸入作為ItemSource,您需要使用DataContext。 就像是:
studentGrid.DataContext = Code360Manager();
如果仍然無效,請嘗試使用ListCollectionView,如下所示:
ListCollectionView alist = new ListCollectionView(Code360Manager());
studentGrid.DataContext = alist;
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