DataSet, BindingSource, BindingNavigator Relationship

Multiple Bindings caused dataBing weird????

Text.DataBindings.Add(new Binding("Text", bs1, "Index_Code"));

Text.DataBindings.Add(new Binding("Text", bs2, "Index_Code"));

private void bindingNavigatorAddNewItem_Click(object sender, EventArgs e)
{

DataRowView row = (DataRowView)bs.Current;

row["Name"] = "C";
row["Value"] = 3;

//row.IsNew is true;

int i = table.Rows.Count;  // = 2
bs.EndEdit(); //commit to datatable => dataSource get updated
i = table.Rows.Count; // = 3

if (row.IsNew) //false
{
MessageBox.Show("new row");
}
}

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