private void pictureBox1_Click(object sender, EventArgs e) { int restador; restador = Convert.ToInt16(textBox1.Text); if (restador == 1) { MessageBox.Show("Estas al inicio"); } else { restador = restador - 1; } textBox1.Text = Convert.ToString(restador); textBox2.Clear(); textBox3.Clear(); textBox4.Clear(); textBox5.Clear(); OleDbConnection ole = new OleDbConnection(); ole = Base_Datos.conectar(); OleDbCommand cmd = new OleDbCommand(); cmd.Connection = ole; cmd.CommandText = "SELECT * FROM Tabla_Usuarios WHERE Id=" + textBox1.Text; OleDbDataReader reader = cmd.ExecuteReader(); while (reader.Read()) { textBox2.Text = textBox2.Text + reader.GetValue(0).ToString() + "\r\n"; textBox3.Text = textBox3.Text + reader.GetValue(1).ToString() + "\r\n"; textBox4.Text = textBox4.Text + reader.GetValue(2).ToString() + "\r\n"; textBox5.Text = textBox5.Text + reader.GetValue(3).ToString() + "\r\n"; } }
private void Datos_Load(object sender, EventArgs e) { OleDbConnection ole = new OleDbConnection(); ole = Base_Datos.conectar(); OleDbCommand cmd = new OleDbCommand(); cmd.Connection = ole; cmd.CommandText = "SELECT * FROM Tabla_Usuarios"; OleDbDataReader reader = cmd.ExecuteReader(); while (reader.Read()) { textBox1.Text = textBox1.Text + reader.GetValue(0).ToString() + "\r\n"; textBox2.Text = textBox2.Text + reader.GetValue(1).ToString() + "\r\n"; textBox3.Text = textBox3.Text + reader.GetValue(2).ToString() + "\r\n"; textBox4.Text = textBox4.Text + reader.GetValue(3).ToString() + "\r\n"; } }
private void button1_Click(object sender, EventArgs e) { OleDbConnection ole = new OleDbConnection(); ole = Base_Datos.conectar(); OleDbCommand cmd = new OleDbCommand(); cmd.Connection = ole; DialogResult dialogResult = MessageBox.Show("Estas seguro?", "Advertencia", MessageBoxButtons.YesNo); if (dialogResult == DialogResult.Yes) { cmd.CommandText = "DELETE * FROM Tabla_Usuarios WHERE Id=" + textBox1.Text; OleDbDataReader reader = cmd.ExecuteReader(); MessageBox.Show("Se borro con exito"); } else if (dialogResult == DialogResult.No) { } }
private void button2_Click(object sender, EventArgs e) { Base_Datos.Desconectar(); }