C# (CSharp) DevExpress.Xpo UnitOfWork.Delete示例

示例#1

文件： MainViewModel.cs 项目： DevExpress-Examples/how-to-implement-crud-operations

 public void ValidateRowDeletion(DevExpress.Mvvm.Xpf.ValidateRowDeletionArgs args)
 {
     using (var unitOfWork = new DevExpress.Xpo.UnitOfWork()) {
         var key  = DetachedObjectsHelper.GetKey(args.Items.Single());
         var item = unitOfWork.GetObjectByKey <XPOIssues.Issues.Issue>(key);
         unitOfWork.Delete(item);
         unitOfWork.CommitChanges();
     }
 }

示例#2

文件： MainWindow.xaml.cs 项目： DevExpress-Examples/how-to-implement-crud-operations

 void OnValidateRowDeletion(System.Object sender, DevExpress.Xpf.Grid.GridValidateRowDeletionEventArgs e)
 {
     using (var unitOfWork = new DevExpress.Xpo.UnitOfWork()) {
         var key  = _DetachedObjectsHelper.GetKey(e.Rows.Single());
         var item = unitOfWork.GetObjectByKey <XPOIssues.Issues.Issue>(key);
         unitOfWork.Delete(item);
         unitOfWork.CommitChanges();
     }
 }