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crud-mysqli

fungsi2 yg biasa dipakai :

1. mysqli_query($koneksi, $sql); //untuk mengeksekusi query sql

2. mysqli_num_rows($result); //menghitung jumlah data yang direquest

3. mysqli_fetch_assoc($result); //mengambil data dari database dalam bentuk array

Cara Mengatasi jika ada yang error:

*   Pastikan isi dari file koneksi.php sudah benar

*   Perhatikan atribut 'name' pada form input, pastikan sama dengan $_POST[] yang ada pada file proses
    misal pada file create.php : <input type="text" name="nama_siswa" size="30" required>
    maka pada file create-proses.php : $nama = $_POST['nama_siswa']
    termasuk tombol submit juga diperhatikan

*   Pastikan query sqlnya sudah benar, meliputi nama TABEL dan nama KOLOM harus sama persis dengan yang ada di database,
    tidak boleh dibolak balik, dan case sensitive(perhatikan huruf kapital atau bukan)

*   Perhatikan variabelnya, pastikan valuenya benar
    misal pada create-proses.php terdapat code :

    $nis		= $_POST['nis'];
	$nama		= $_POST['nama'];
	$kelas		= $_POST['kelas'];
	$jurusan	= $_POST['jurusan'];

    untuk ngetes bahwa valuenya benar dengan cara menambahkan echo dibawahnya :

    echo 'Nis : '.$nis.'<br>';
    echo 'Nama : '.$nama.'<br>';
    echo 'Kelas : '.$kelas.'<br>';
    echo 'Jurusan : '.$jurusan.'<br>';

crud-mysqli's People

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nafism05 avatar

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