protected void gvitem_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            try
            {
                DBOps db = new DBOps();
                // GridViewRow gvr = (GridViewRow)(((Button)e.CommandSource).NamingContainer);

                int RowIndex = e.RowIndex;

                string item = gvitem.Rows[RowIndex].Cells[1].Text;
                string lab  = gvitem.Rows[RowIndex].Cells[6].Text;

                int retval = db.DeleteInventoryTable(item, lab, "", "");
                if (retval > 0)
                {
                    lblPageInfo.Text = "Row deleted successfully.";
                    lblPageInfo.DataBind();
                }
                else
                {
                    lblPageInfo.ForeColor = System.Drawing.Color.Red;
                    lblPageInfo.Text      = "An error occurred while attempting to delete the row.";
                    lblPageInfo.DataBind();
                    //lblPageInfo.ForeColor = System.Drawing.ColorTranslator.FromHtml("#0099ff"); //original blue color
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            RefreshTable();
        }