hi everybody help me please I have some php pages it's work perfect in local host but when I run it online I faceed the folowin problem Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in .../view.php on line 11 viewdb.php code: Code: <HTML> <div align="center"> <table border="0" width="63%" id="table1"> <tr><td> <?php include ('config.php'); $result = mysql_query("SELECT * FROM personnel"); echo "<TABLE BORDER=2>"; echo"<TR><td align=center width=190><B>الاجـــــــراء</B><td align=center width=190><B>الاسم بالكامـــــل</B> <td align=center width=220><B>العنــــــــوان</B></TR>"; while($myrow = mysql_fetch_array($result)) { echo "<TR> <td align=center width=190><a href=\"view.php?id=".$myrow['id']."\">عرض</a> "; echo "<a href=\"delete.php?id=".$myrow['id']."\">حذف</a> "; echo "<a href=\"edit.php?id=".$myrow['id']."\">تعديل</ a>"; echo "<td align=center width=190>".$myrow["firstname"]." ".$myrow["lastname"]." </a><td align=center width=190>".$myrow["nick"]; } echo "</TABLE>"; ?> </td></tr></table></div> <p align="center"><b><font size="4"><a href="serch.php">بحـــث</a> <a href="input.php">إدخال جديد</a></font></b></p> <p> </p> </HTML> so when I click عرض in this line <td align=center width=190><a href=\"view.php?id=".$myrow['id']."\">عرض</a> "; I recive this error : Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in .../view.php on line 11 follwig view.php code: Code: <HTML> <head> <meta http-equiv="Content-Language" content="en-us"> </head> <div align="center" dir="rtl"> <table border="0" width="65%" id="table1"> <tr><td><?php include ('config.php'); mysql_select_db("umma_mydb"); $result = mysql_query("SELECT * FROM personnel WHERE id=$id"); $myrow = mysql_fetch_array($result); echo "الاسم : ".$myrow["firstname"]; echo "<br>اللقب : ".$myrow["lastname"]; echo "<br>العنوان : ".$myrow["nick"]; echo "<br>البريد الالكتروني : ".$myrow["email"]; echo "<br>المرتب : ".$myrow["salary"]; ?></td></tr></table> <b><span lang="ar-sa"><a href="serch.php">بحــــث</a> <a href="viewdb.php">عودة للقائمة</a></span></b></p> </div> </HTML> what to do with it