How to Add new Row in a Data Grid ASP.NET using C#

Below code will check that if there is no record in Data table than it will add a new row in data Grid to show a message that there is no Record in the DataTable.
Just Copy and past the Code.

grd_abc.DataSource = ds.Tables["abc"];

            //added

            if (ds.Tables["abc"].Rows.Count < 1)
            {
                empty = true;
                ds.Tables["aging"].Rows.Add(ds.Tables["abc"].NewRow());
                grd_abc.DataSource = ds.Tables["abc"];
                grd_abc.DataBind();

                int columncount = grd_abc.Rows[0].Cells.Count;
                grd_abc.Rows[0].Cells.Clear();
                grd_abc.Rows[0].Cells.Add(new TableCell());
                grd_abc.Rows[0].Cells[0].ColumnSpan = columncount;
                grd_abc.Rows[0].Cells[0].Text = " No Record Found ";
                grd_abc.Rows[0].Cells[0].HorizontalAlign = HorizontalAlign.Center;
                grd_abc.Rows[0].Cells[0].ForeColor = System.Drawing.Color.Maroon;

            }
            else
            {
                grd_abc.DataBind();
            }