Command Name and Command Argument. in gridview and rowcommand

Command Name and Command Argument.

.aspx page

<ItemTemplate>                                     
<asp:LinkButton ID="lnkCopyBooking" runat="server" Text='Copy' CommandArgument='<%# Eval("Id")  %>'
CommandName='<%# COPYBOOKING %>' PostBackUrl="~/UI/FFShipmentAdd.aspx"></asp:LinkButton>
</ItemTemplate>

.CS page

 protected void grdBookingSent_RowCommand(object sender, CommandEventArgs e)
        {
         

            if (e.CommandName == ShowDetails)
            {
                this.Id = Convert.ToInt64(e.CommandArgument);
            }
            if (e.CommandName == COPYBOOKING)
            {
                this.Id = Convert.ToInt64(e.CommandArgument);
                this.Action = ActionMode.Create;
            }
        }



2->

protected void grdBookingRecievedShipper_RowCommand(object sender, CommandEventArgs e)
        {
            if (e.CommandName == ShowDetails)
            {
                this.Id = Convert.ToInt64(e.CommandArgument.ToString().Split(',')[0]);
                this.CurrrJobStatus = Convert.ToString(e.CommandArgument.ToString().Split(',')[1]);
            }
            if (e.CommandName == ShowCargoCondition)
            {
                this.Id = Convert.ToInt64(e.CommandArgument);
            }
            if (e.CommandName == COPYBOOKING)
            {
                this.Id = Convert.ToInt64(e.CommandArgument);
                this.Action = ActionMode.Create;
            }



            if (e.CommandName == SHOWBOOKINGOTHERDETAILS)
            {
                this.Id = Convert.ToInt64(e.CommandArgument);

            }

        }