protected int CountOf(DataGridColumn <TItem> column)
{
return(Data.Count(x => column.GetValue(x) != null));
}
protected object Calculate(DataGridAggregate <TItem> aggregate, DataGridColumn <TItem> column) => aggregate?.AggregationFunction?.Invoke(Data, column);
protected bool CellAreEditable(DataGridColumn <TItem> column)
{
return(column.Editable &&
((column.CellsEditableOnNewCommand && ParentDataGrid?.EditState == DataGridEditState.New) ||
(column.CellsEditableOnEditCommand && ParentDataGrid?.EditState == DataGridEditState.Edit)));
}
/// <summary>
/// Count all values that are not null.
/// </summary>
public static object Count(IEnumerable <TItem> Data, DataGridColumn <TItem> column)
{
return(Data.Count(x => column.GetValue(x) != null));
}