[Solved] DataGrid_DataLoaded fires too early

[tsvika]

Hi

I have a grid that is bounded to a ViewModel Collection<Entity>.
When I add a row to the collection the grid is refreshed and the new row becomes visible.

I need to put a cell in the new row in edit mode automatically, by setting the :
cell.IsInEditMode = true;
The problem is that   "DataLoaded " fires before the view is refreshed, so my code cannot find the new row, and fails:

private void linesDataGrid_DataLoaded(object sender, EventArgs e)
        {
            if (_viewModel.IsPutEditModeOnNewRowEnabled)
            {
                RadGridView linesDataGrid = (RadGridView)CustomVisualTreeHelper.SearchFrameworkElement(_receiptDetails, "linesDataGrid");
                GridViewCell cell = TelerikGridHelper.GetCellByIndexes(linesDataGrid, _viewModel.Lines.Count, 2);
                cell.IsInEditMode = true;
                _viewModel.IsPutEditModeOnNewRowEnabled = false ;
            }
        }

I also tried _RowLoaded , this had the same result.

[Maya]

Hello tsvika,

In order to provide you with a proper solution, I would need a bit more details about the way you add a new item. Do you add a new item on a button click or you use the Insert key for it ? 

Kind regards,
Maya
the Telerik team

[tsvika]

Hi

I don't use the code behind(because of MVVM) or the add button in the view (Because I want UI outside the gridview to perform the adding command).

to add the new row : I add it to the ViewModel>Collection that is bounded to the ItemSource of the GridView, and than raise OnPropertyChanged on it.

Can I still set a cell in the new row added  to be in "Edit Mode" after the data is refreshed (I know that the added row will become the last one) ?

[Maya]

Hi tsvika,

Unfortunately, you cannot get the desired result by codelessly adding new item in the collection and still put this item into edit mode. What you can do is to handle the AddingNewDataItem event of the grid and insert the new item.

Greetings,
Maya
the Telerik team