wpf 为 DataGrid 的特定列设置 ItemTemplate
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set ItemTemplate for specific column of DataGrid
提问by wpf_starter
I have a WPF DataGridand it is bound to List<Person> people.
我有一个 WPF DataGrid，它绑定到List<Person> people.
public class Person
{
public string Name{get;set;}
public string LastName{get;set;}
public string Address{get;set;}
public int Age{get;set;}
}
public void ShowPeople()
{
myDataGrid.ItemsSource = people;
}
It shows everything fine, but I want to show Addressin TextBoxinside the DataGrid.
这表明一切正常，但我想显示Address在TextBox里面DataGrid。
I changed XAML code to this:
我将 XAML 代码更改为：
<DataGrid x:Name="myDataGrid">
<DataGridTemplateColumn Header="Address">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBox Text="{Binding Path=Address}"/>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid>
this is not working. It is giving me an error.
这是行不通的。它给了我一个错误。
Items collection must be empty before using ItemsSource.
在使用 ItemsSource 之前，Items 集合必须为空。
Please help. Thanks,
请帮忙。谢谢，
回答by Peter Hansen
You are missing the Columnsproperty in your XAML:
您缺少ColumnsXAML 中的属性：
<DataGrid x:Name="myDataGrid">
<DataGrid.Columns> <-- This is missing in your code!
<DataGridTemplateColumn Header="Address">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBox Text="{Binding Path=Address}"/>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
