mysql - How to send database to server with HttpPost in Android and check -

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i using code (which copied tutorial) send information database in mysql. in android app:

class uploadtodatabase extends asynctask<string, string, string> {     list<namevaluepair> namevaluepairs= new arraylist<namevaluepair>(1);     //metemos valores al database del server      @override     protected string doinbackground(string... params) {         namevaluepairs.add(new basicnamevaluepair("_id", "2"));         namevaluepairs.add(new basicnamevaluepair("columnname", params[0]));         namevaluepairs.add(new basicnamevaluepair("columnimage", params[1]));         namevaluepairs.add(new basicnamevaluepair("columnsound", "tercero"));     try{         //jsonobject json = jsonparser.makehttprequest(url_create_product,           //      "post", params);         httpclient httpclient= new defaulthttpclient();          httppost httppost= new httppost("http://192.168.1.35/androidfileupload/updata.php");         httppost.setentity(new urlencodedformentity(namevaluepairs));          httpresponse response= httpclient.execute(httppost);          httpentity entity=response.getentity();          is=entity.getcontent();         //toast.maketext(getapplicationcontext(),"success",toast.length_long).show();     } catch(clientprotocolexception e) {         log.e("clientprotocol","log_tag");         e.printstacktrace();     } catch(ioexception e){         log.e("log tag", "ioexception");         e.printstacktrace();     }     catch(exception es){         log.e("fallo de excep", "ioexception");         es.printstacktrace();     }     return null;     }

and in wampserver use php code:

<? $dbhost = "localhost"; $dbuser = "xxxxx"; $dbpass = "xxxxx"; $dbname = "dbsound"; $table = "dbsound"; $conn = new mysqli_connect($dbhost,$dbuser,$dbpass,$dbname)   if ($conn->connect_error) { die("connection failed: " . $conn->connect_error); }   $_id=$_post['_id']; $columnname=$_post['columnname']; $columnimage=$_post['columnimage']; $columnsound=$_post['columnsound'];  mysqli_select_db("$dbname") or die("unable select database $dbname");  $sqlquery = "insert $table ("_id", "columnname", "$columnimage","columnsound") values(null,'$columnname','$columnimage','$columnsound')";  $results = mysqli_query($sqlquery);  if ($conn->query($sqlquery) === true) {     echo "new record created successfully"; } else {     echo "error: " . $sqlquery . "<br>" . $conn->error; }  $conn->close();  ?>

where in dbuser , dbpass put data of mysql. don't have error, doesn't appear in database, how can know if data sent?


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