protected Response ExecCmd() { Response resp; Listing target = Listing.GetListingByID(itemID); if (target == null) { resp = new Response(false, outputErrListingNotExist); return(resp); } if (target.Username != username) { resp = new Response(false, outputErrListingOwnerNotMatch); return(resp); } if (!Listing.DeleteListing(itemID)) { resp = new Response(false, outputErrListingNotExist); return(resp); } resp = new Response(true, outputSuccess); return(resp); }