protected void DeleteDetails(object sender, GridViewDeleteEventArgs e) { GridViewRow row = grid.Rows[e.RowIndex]; string orderid = dt1.Rows[row.DataItemIndex]["OrderID"].ToString(); DialogResult dialogResult = MessageBox.Show("Are you sure?", "Delete", MessageBoxButtons.YesNo); if (dialogResult == DialogResult.Yes) { BLL.DeleteOrder(orderid); DisplayOrders(orderDate); } else if (dialogResult == DialogResult.No) { DisplayOrders(orderDate); } }