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<?php require("configure.php");
$ProductId = $_GET['ProductId']; $ProductGradeId = $_GET['ProductGradeId']; $sort = $_GET['Sort']; $status = $_GET['status'];
if ($status == 'up') { $s_sign="+1"; $ProductSort = $sort-1; if ($ProductSort <=0) { $ProductSort = 1; } } else { $s_sign="-1"; $ProductSort = $sort+1; }
$sql = "update Product set Sort='$ProductSort' where ProductId=". $ProductId ." "; //echo $sql; if( mysql_num_rows(mysql_query("SELECT ProductId FROM Product WHERE Sort=$ProductSort AND ProductId!='$ProductId' ")) > 0){ mysql_query("UPDATE Product SET Sort= Sort".$s_sign ." WHERE ProductGradeId = $ProductGradeId AND Sort = $ProductSort "); //echo "UPDATE Product SET Sort= Sort".$s_sign ." WHERE ProductGradeId = $ProductGradeId AND Sort = $ProductSort "; } mysql_query($sql); mysql_close($dbh);
header("Location: productdetail_index.php?msg=Update Successful"); ?>
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