private void button1_Click(object sender, EventArgs e)
{
MySqlCommand command = new MySqlCommand();
giris2 giris2 = new giris2();
try
{
command.Connection = bag;
command.CommandText = "delete from ogrenci where numara ='" + label1.Text + "'";
bag.Open();
command.ExecuteNonQuery();
bag.Close();
MessageBox.Show("Başarıyla Silindi");
}
catch
{
MessageBox.Show("Hata var");
}
}
private void button2_Click(object sender, EventArgs e)
{
giris2 giris2 = new giris2();
String sql = String.Empty;
MySqlCommand command = new MySqlCommand();
command.CommandText = "select parola from ogrenci where numara = " + textBox1.Text;
command.Connection = bag;
bag.Open();
try
{
sql = (string)command.ExecuteScalar();
if (textBox2.Text == sql)
{
String sql2 = String.Empty;
MySqlCommand command2 = new MySqlCommand();
command2.CommandText = "select numara from ogrenci where numara = " + textBox1.Text;
command2.Connection = bag;
sql2 = (string)command2.ExecuteScalar();
giris2.label6.Text = sql2;
String sql3 = String.Empty;
MySqlCommand command3 = new MySqlCommand();
command3.CommandText = "select ad from ogrenci where numara = " + textBox1.Text;
command3.Connection = bag;
sql3 = (string)command3.ExecuteScalar();
giris2.label7.Text = sql3;
String sql4 = String.Empty;
MySqlCommand command4 = new MySqlCommand();
command4.CommandText = "select soyad from ogrenci where numara = " + textBox1.Text;
command4.Connection = bag;
sql4 = (string)command4.ExecuteScalar();
giris2.label8.Text = sql4;
String sql5 = String.Empty;
MySqlCommand command5 = new MySqlCommand();
command5.CommandText = "select sinif from ogrenci where numara = " + textBox1.Text;
command5.Connection = bag;
sql5 = (string)command5.ExecuteScalar();
giris2.label9.Text = sql5;
String sql6 = String.Empty;
MySqlCommand command6 = new MySqlCommand();
command6.CommandText = "select parola from ogrenci where numara = " + textBox1.Text;
command6.Connection = bag;
sql6 = (string)command6.ExecuteScalar();
giris2.label10.Text = sql6;
giris2.ShowDialog();
}
else
{
MessageBox.Show("giris basarisiz!!!");
}
}
catch
{
MessageBox.Show("giris basarisiz!!!");
}
bag.Close();
}
