private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { if (comboBox1.SelectedIndex == 0) { updateButton.Visible = true; } else { updateButton.Visible = false; } if (comboBox1.SelectedIndex == 0) { DataSet ds = controller.getEmployees(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 1) { DataSet ds = controller.getQualafications(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 2) { DataSet ds = controller.getEmployeeRelatives(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 3) { DataSet ds = controller.getEmployeeAbscence(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 4) { DataSet ds = controller.getEmployeeAbscence2004(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 5) { DataSet ds = controller.getMostSick(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 6) { DataSet ds = controller.getColumns(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 7) { DataSet ds = controller.getKeys(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 8) { DataSet ds = controller.getIndexes(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 9) { DataSet ds = controller.getTableConstraints(); dataGridView1.DataSource = ds.Tables[0]; } else if (comboBox1.SelectedIndex == 10) { DataSet ds = controller.getTables(); dataGridView1.DataSource = ds.Tables[0]; } }