我有两个类由实体框架生成如下。我的需求取决于JobEntity类中的SystemEntity_ID,我想绑定ListView中复选框的IsChecked属性。问题是,现在正在检查所有复选框...请帮助..在列表视图中的WPF复选框绑定
public partial class JobEntity
{
public int JobEntity_ID { get; set; }
public int Job_ID { get; set; }
public Nullable<int> SystemEntity_ID { get; set; }
public string EntityMigrationStatus { get; set; }
}
public partial class sp_SelectEntities_Result
{
public Nullable<int> Project_ID { get; set; }
public Nullable<int> Site_ID { get; set; }
public int SystemEntity_ID { get; set; }
public string EntityDesc { get; set; }
}
下面是我的ViewModel类:
public class EntityViewModel
{
private List<sp_SelectEntities_Result> entitylist;
private ObservableCollection<sp_SelectEntities_Result> _ObCollection;
private EntityDbContext db;
List<int> Selectedvalues = new List<int>();
public EntityViewModel()
{
db = new EntityDbContext();
entitylist = db.sp_SelectEntities().ToList();
convert();
}
public void convert()
{
_ObCollection = new ObservableCollection<sp_SelectEntities_Result>(entitylist);
}
public ObservableCollection<sp_SelectEntities_Result> obcollection
{
get { return _ObCollection; }
set { _ObCollection = value; }
}
}
我的观点,即主窗口。
<ListView x:Name="lstentities" ItemsSource="{Binding obcollection}" Height="250" VerticalAlignment="Top">
<ListView.View>
<GridView>
<GridViewColumn Header="Selected">
<GridViewColumn.CellTemplate>
<DataTemplate>
<CheckBox x:Name="chk" IsChecked="{Binding SystemEntity_ID}" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn DisplayMemberBinding="{Binding EntityDesc}" Header="Entity" />
</GridView>
</ListView.View>
</ListView>
,并在mainwindow.cs
public MainWindow()
{
InitializeComponent();
EntityViewModel ev = new EntityViewModel();
this.DataContext = ev;
}
你想要一个int到一个属性是一个布尔?那是对的吗? – sexta13 2014-09-28 22:11:00
你到底想要触发一个复选框?你将它绑定到一个整数,我假设只要该整数不为零,该框就会被检查。如果您想根据特定值检查该框,则需要使用值转换器。 – 2014-09-28 23:04:17
其实让我们说在数据库中我们有2,3,4然后我想2,3和4复选框被检查,并沿同一行,如果任何检查的变化可以说,用户没有选中2,然后我想要保存3,4到数据库.. – nikhil 2014-09-29 00:09:09