Пример #1
0
        private void SyncfusionGrid_AddNewRowInitiating(object sender, Syncfusion.UI.Xaml.Grid.AddNewRowInitiatingEventArgs e)
        {
            var data = e.NewObject as AusgangsRechnung;

            data.Datum           = DateTime.Now;
            data.RechnungsNummer = "AR-00-";
        }
 /// <summary>
 /// Invoked when the new item is initiated to add into source collection.
 /// </summary>
 /// <returns>
 /// Returns <b>true</b> if the new item has initiated in AddNewRow; otherwise <b>false</b>.
 /// </returns>
 /// <remarks>
 /// AddNew invoked when the cell in AddNewRow goes edit mode .
 /// </remarks>
 public virtual bool AddNew()
 {
     if (dataGrid.View == null || !dataGrid.View.CanAddNew)
     {
         return(false);
     }
     if (dataGrid.View.IsAddingNew)
     {
         throw new InvalidOperationException("CurrentAddItem should be null when AddNew calls");
     }
     if (dataGrid.AddNewRowPosition != AddNewRowPosition.None)
     {
         dataGrid.View.AddNew();
         var addNewRowEventArgs = new AddNewRowInitiatingEventArgs(this.dataGrid)
         {
             NewObject = dataGrid.View.CurrentAddItem
         };
         var addNewObject = dataGrid.RaiseAddNewRowInitiatingEvent(addNewRowEventArgs);
         // WPF-19376 - when dynamic itemssource is used, need to set CurrentAddItem based on the addNewObject
         if (dataGrid.View is CollectionViewAdv)
         {
             if ((dataGrid.View as CollectionViewAdv).CurrentAddItem != addNewObject)
             {
                 (dataGrid.View as CollectionViewAdv).CurrentAddItem = addNewObject;
             }
         }
         var addNewRow = this.dataGrid.RowGenerator.Items.FirstOrDefault(item => item.RowType == RowType.AddNewRow);
         if (addNewRow != null)
         {
             VisualStateManager.GoToState(addNewRow.WholeRowElement, "Edit", true);
             addNewRow.RowData = addNewObject;
         }
     }
     dataGrid.SelectionController.HandleGridOperations(new GridOperationsHandlerArgs(GridOperation.AddNewRow, new AddNewRowOperationHandlerArgs(AddNewRowOperation.AddNew, null)));
     return(true);
 }