1 <Window x:Class="WpfApplication2.MainWindow"
 2     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 3     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 4     Title="MainWindow" Height="350" Width="525">
 5 <Grid>
 6     <DataGrid Name="grid1" AutoGenerateColumns="False"
 
>
 7         <DataGrid.Columns>
 8             <!--自定義列-->
 9             <DataGridTemplateColumn Header="姓名" Width="30" MaxWidth="100">
10                 <DataGridTemplateColumn.CellTemplate>
11                     <DataTemplate>
12                         <!--設置當單元格內容超過最大長度時，顯示...
 
-->
13                         <TextBlock Text="{Binding Name}" TextTrimming="WordEllipsis"/>
14                     </DataTemplate>
15                 </DataGridTemplateColumn.CellTemplate>
16                 <DataGridTemplateColumn.CellStyle>
17                     <Style
 
>
18                          <!--加tooltip，顯示單元格內容-->
19                         <Setter Property="ToolTipService.ToolTip" Value="{Binding Name}"/>
20                     </Style>
21                 </DataGridTemplateColumn.CellStyle>
22             </DataGridTemplateColumn>
23             <DataGridTextColumn Header="年齡" Binding="{Binding Age}" Width="50"/>
24         </DataGrid.Columns>
25     </DataGrid>
26 </Grid>

wpf datagrid 的單元格內容超出列寬度