OnRowCreated="gridViewCorrection_RowCreated"
<asp:BoundField HeaderText="序号" />

   protected void gridViewCorrection_RowCreated(object sender, GridViewRowEventArgs e)
        {
          if (e.Row.RowIndex > -1)
            {
                if (dtReceivables != null && dtReceivables.Rows.Count > 0)
                {

                    e.Row.Cells[0].Text = Convert.ToString(e.Row.RowIndex + 1);
                }
            }
		}