Tnx to all:D Paul you are absolutly right:D it was a bad mistake from me there was no need 2 convert it Balint helped me n with mysql_error i found that my code hasn't any mistake i just forgot the BIG thing! selecting db:D i totally forgot it because i had array keys with if statement n in there i selected it but in the last one of them i forgot 2 set the selection of DB Ashley what is OP? and filtering i didn't understand Andre why u r telling me Note: you *didn't* execute the query by calling mysql_query on it. if it doesn't execute the query then what's it doing? Reply Vitalli believe me that i tried it n i can send the string without error i tried it: $query1="select * from patient where id=".$_POST['txt']; it works! after i found my error i tried it 2 n it was right!!!
