wpf datagrid field to image converter 字段 图片转化器

1 <DataGridTemplateColumn Header="Binding">
2                             <DataGridTemplateColumn.CellTemplate>
3                                 <DataTemplate>
4                                     <Image x:Name="BindImg" Height="30" Width="30" Source="{Binding IsBindable,Converter={StaticResource bindableConverter}}" VerticalAlignment="Center" HorizontalAlignment="Center"/>
5                                 </DataTemplate>
6                             </DataGridTemplateColumn.CellTemplate>                             
7                         </DataGridTemplateColumn>

 1 public class BindableConverter : IValueConverter
 2     {
 3         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
 4         {
 5             bool isBind;
 6             if(value==null||string.IsNullOrWhiteSpace(value.ToString()))
 7             {
 8                 return "../../Resource/Images/unbinded.jpg";
 9             }
10             if (Boolean.TryParse(value.ToString(), out isBind))
11             {
12                 if (isBind)
13                 {
14                     return "../../Resource/Images/binded.jpg";
15                 }
16                 else
17                 {
18                     return "../../Resource/Images/unbinded.jpg";
19                 }
20             }
21             return null;
22         }
23 
24         public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
25         {
26             throw new NotImplementedException();
27         }
28     }