在 CurrentCellChanged 上获取 WPF DataGrid 的单元格内容
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Get cell content of WPF DataGrid on CurrentCellChanged
提问by Kishor
I have a WPFDataGrid. I want to get the cellvalue after user edits it. The DataGridis already populated with data. User can edit previous data. To save data i want to get celldata from a event handler
我有一个WPFDataGrid. 我想cell在用户编辑后获取该值。在DataGrid已填充了数据。用户可以编辑以前的数据。为了保存数据，我想cell从event handler
Give me a simple code to do it. Suggest one event handler.
给我一个简单的代码来做到这一点。建议一event handler。
回答by Peter Hansen
You can use the CellEditEnding event to get notified whenever a user has edited a cell.
您可以使用 CellEditEnding 事件在用户编辑单元格时收到通知。
This simple program illustrates it:
这个简单的程序说明了它：
XAML
XAML
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:WpfApplication1"
Title="MainWindow" Height="500" Width="500">
<Grid>
<DataGrid x:Name="grid" CellEditEnding="cellEditEnding" />
</Grid>
</Window>
Code-behind
代码隐藏
public partial class MainWindow : Window
{
public class MyClass
{
public string Prop1 { get; set; }
public string Prop2 { get; set; }
public string Prop3 { get; set; }
}
public MainWindow()
{
InitializeComponent();
var objects = new[]
{
new MyClass { Prop1 = "Object1", Prop2 = "Test1", Prop3 = "Hello" },
new MyClass { Prop1 = "Object2", Prop2 = "Test2", Prop3 = "Goodbye" },
new MyClass { Prop1 = "Object3", Prop2 = "Test3", Prop3 = "Welcome" }
};
grid.ItemsSource = objects;
}
private void cellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
{
//Only handles cases where the cell contains a TextBox
var editedTextbox = e.EditingElement as TextBox;
if (editedTextbox != null)
MessageBox.Show("Value after edit: " + editedTextbox.Text);
}
}
