private void button1_Click(object sender, EventArgs e) { con.Open(); MySqlCommand cmd = con.CreateCommand(); cmd.CommandType = CommandType.Text; cmd.CommandText = "update elev set Nume = '" + numeTextBox.Text + "' , Prenume = '" + prenumeTextBox.Text + "' , Varsta = '" + varstaTextBox.Text + "' where Nume = '" + numeInitialTextBox.Text + "'"; cmd.ExecuteNonQuery(); // MessageBox.Show("elev updated successfully"); Form1 form = new Form1(); form.DisplayElev(); con.Close(); Close(); }