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POC# Mysql Insert Data not work
 

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  1. POC# Mysql Insert Data not work
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    <p>I am Nubie in C#, I Try to learn CRUD. Select data Succes but I cant Save data to mysql. my table</p> <pre><code>mahasiswa ID| namae | jurusan | email _____________________________ 1 | Bill | IT | bill@gmail.com 2 | Tony | IT | Tony@gmail.com </code></pre> <p>ID is set to auto increment in Mysql</p> <p>and this my script for btn save</p> <pre><code> void btnsave_Click(object sender, EventArgs e) { try { if (txtid.Text != "" &amp;&amp; txtnama.Text != "" &amp;&amp; txtjurusan.Text != "" &amp;&amp; txtemail.Text != "") { query = string.Format("INSERT INTO mahasiswa values ('{1}','{2}','{3}');", txtnama.Text, txtjurusan.Text, txtemail.Text); koneksi.Open(); perintah = new MySqlCommand(query, koneksi); adapter = new MySqlDataAdapter(perintah); int res = perintah.ExecuteNonQuery(); koneksi.Close(); if (res == 1) { MessageBox.Show("Input Data Sukses..."); } else { MessageBox.Show("Input Data Gagal... "); } } else { MessageBox.Show("Data tidak lengkap"); } } catch(Exception ex) { MessageBox.Show(ex.ToString()); } } </code></pre> <p>That Script can run, but after input data and click save buttonm the program stop.</p> <p>Can anybody help me.</p> <p>Im very Appreciated your answer</p> <p>Thanks</p> <p>form load</p> <pre><code> void Form1_Load(object sender, EventArgs e) { try { koneksi.Open(); query = string.Format("SELECT * FROM mahasiswa"); perintah = new MySqlCommand(query, koneksi); adapter = new MySqlDataAdapter(perintah); perintah.ExecuteNonQuery(); ds.Clear(); adapter.Fill(ds); koneksi.Close(); dgv1.DataSource = ds.Tables[0]; dgv1.Columns[0].Width = 50; dgv1.Columns[0].HeaderText = "ID"; dgv1.Columns[1].Width = 120; dgv1.Columns[1].HeaderText = "Nama Mahasiswa"; dgv1.Columns[2].Width = 120; dgv1.Columns[2].HeaderText = "Jurusan"; dgv1.Columns[3].Width = 120; dgv1.Columns[3].HeaderText = "Email"; //txtid.clear(); txtnama.Clear(); txtjurusan.Clear(); txtemail.Clear(); btnedit.Enabled = false; btndelete.Enabled = false; btnsave.Enabled = true; btnsearch.Enabled = true; } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } </code></pre>
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    1. This table or related slice is empty.
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    1. This table or related slice is empty.
    1. COtry to change your sql string like "INSERT INTO mahasiswa values ('{0}','{1}','{2}');"
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      1. POC# Mysql Insert Data not work
      1. UStolga güler
 

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