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php กับ mysql ในการลบข้อมูลในดาต้าเบสไม่ได้ค่ะ รบกวนดูโค้ดให้หน่อยค่ะ |
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Code (PHP)
$sql="DELETE FROM forum where forum_id = '$forum_d'";
echo $sql;
exit();
ลองดูว่า SQL ออกมาเป็นอะไรครับ
Go to : PHP MySQL Delete Record/Confirm Delete
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Date :
2011-06-25 07:13:14 |
By :
webmaster |
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มันขึ้นแบบนี้ค่ะ
DELETE FROM forum where forum_id = ''
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Date :
2011-06-25 13:37:07 |
By :
nokzaz |
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Code (PHP)
$sql="DELETE FROM forum where forum_id = '" . $_REQUEST['forum_d'] . "'";
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Date :
2011-06-25 13:45:33 |
By :
PlaKriM |
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แก้แล้วเป็น '$forum_id' ก็ยังไม่ลบค่ะ แต่ฟ้องขึ้นมาบอกว่า ลบเรียบร้อยแล้วตลอดเลย
Code (PHP)
<? include("connect.php");
$sql="DELETE FROM forum where forum_id = '" . $_REQUEST['forum_id'] . "'";
$query=mysql_db_query($db,$sql);
if($query)
{
echo "<script> alert (' ลบหมวดหมู่เรียบร้อย ') ;</script>";
echo"<meta http-equiv=\"refresh\" content=\"0;url='webboard_admin.php'\">";
exit();
}
else{
echo "<script> alert (' เกิดข้อผิดพลาด ') ;</script>";
echo"<meta http-equiv=\"refresh\" content=\"0;url='webboard_admin.php'\">";
exit();
}
?>
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ประวัติการแก้ไข 2011-06-25 13:50:26
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Date :
2011-06-25 13:48:45 |
By :
nokzaz |
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Code (PHP)
include("connect.php");
$sql="DELETE FROM forum where forum_id = '" . $_REQUEST['forum_id'] . "'";
$query=mysql_db_query($db,$sql) or die(mysql_error() . "<br/>" . $sql);
if(mysql_affected_rows() >0 )
{
echo "<script> alert (' ลบหมวดหมู่เรียบร้อย ') ;</script>";
echo"<meta http-equiv=\"refresh\" content=\"0;url='webboard_admin.php'\">";
exit();
}
else{
echo "<script> alert (' เกิดข้อผิดพลาด ') ;</script>";
echo"<meta http-equiv=\"refresh\" content=\"0;url='webboard_admin.php'\">";
exit();
}
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Date :
2011-06-25 13:59:53 |
By :
PlaKriM |
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ทำตามพี่ PlaKriM แล้วค่ะ มัน alert ขึ้นว่า เกิดข้อผิดพลาดตลอดเลย
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Date :
2011-06-25 14:03:25 |
By :
nokzaz |
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ตอนนี้ได้แล้วค่ะ ขอบคุณพี่ วิน และพี่ PlaKriM นะคะ
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Date :
2011-06-25 14:13:23 |
By :
nokzaz |
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ไปทำยังไงมา เอามาแปะให้คนอื่นดูด้วยจะได้เป็นกรณีศึกษาครับ บางทีมันเกิดจาก Programmer Error 
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Date :
2011-06-25 14:18:17 |
By :
PlaKriM |
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ในหน้าฟอร์มของการลบค่ะ ตอนแรก หนูเขียน
<a href="webboard_delforum.php?forum=<? echo $ObjArray['forum_id'] ?>">ลบ</a>
และโค้ดหน้า webboard_delforum.php คือ
<? include("connect.php");
$sql="DELETE FROM forum where forum_id = '$forum_id' ";
$query=mysql_db_query($db,$sql);
if($query)
{
echo "<script> alert (' ลบหมวดหมู่เรียบร้อย ') ;</script>";
echo"<meta http-equiv=\"refresh\" content=\"0;url='webboard_admin.php'\">";
exit();
}
else{
echo "<script> alert (' เกิดข้อผิดพลาด ') ;</script>";
echo"<meta http-equiv=\"refresh\" content=\"0;url='webboard_admin.php'\">";
exit();
}
?>
เลยไปดูลิ้งที่พี่วินแปะไว้ค่ะ เลยลองแก้เป็น
$sql="DELETE FROM forum where forum_id = '$forum' ";
ให้มันตรงกันค่ะ ก็ลบได้เรียบร้อยแล้ว
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ประวัติการแก้ไข 2011-06-25 14:33:09
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Date :
2011-06-25 14:32:01 |
By :
nokzaz |
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Load balance : Server 04
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