/// <summary>
/// Constructor to initialise a new provider with the business object
/// collection provided
/// </summary>
/// <param name="col">The business object collection</param>
public EditableDataSetProvider(IBusinessObjectCollection col) : base(col)
{
_rowChangedHandler = RowChangedHandler;
_rowDeletedHandler = RowDeletedHandler;
_newRowHandler = NewRowHandler;
_boAddedHandler = BOAddedHandler;
}
/// <summary>
/// Constructor to initialise a new provider with the business object
/// collection provided
/// </summary>
/// <param name="col">The business object collection</param>
public EditableDataSetProvider(IBusinessObjectCollection col) : base(col)
{
_rowChangedHandler = RowChangedHandler;
_rowDeletedHandler = RowDeletedHandler;
_newRowHandler = NewRowHandler;
_boAddedHandler = BOAddedHandler;
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// datatablenewroweventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this DataTableNewRowEventHandler datatablenewroweventhandler, Object sender, DataTableNewRowEventArgs e, AsyncCallback callback)
{
if (datatablenewroweventhandler == null)
{
throw new ArgumentNullException("datatablenewroweventhandler");
}
return(datatablenewroweventhandler.BeginInvoke(sender, e, callback, null));
}
public virtual void Add(T item, out T result)
{
DataRow newRow = null;
DataTableNewRowEventHandler tnr = (sender, args) => newRow = args.Row;
_dataTable.TableNewRow += tnr;
Add(item);
_dataTable.TableNewRow -= tnr;
result = Hydrate(newRow);
SaveChanges();
}