private void DeleteACompanyForm_Load(object sender, EventArgs e) { connectionMySql connectionDB = new connectionMySql(); connectionDB.ConnectionMySql(); comboBoxCompany.Items.Clear(); comboBoxEmail.Items.Clear(); string sqlQuery = "SELECT DISTINCT name FROM company"; connectionDB.PutQueryIntoComboBox(sqlQuery, comboBoxCompany, "name"); }
private void comboBoxCompany_SelectedIndexChanged(object sender, EventArgs e) { connectionMySql connectionDB = new connectionMySql(); connectionDB.ConnectionMySql(); comboBoxEmail.Items.Clear(); comboBoxEmail.Text = ""; string sqlQuery = "SELECT email FROM company WHERE name='" + comboBoxCompany.Text + "'"; connectionDB.PutQueryIntoComboBox(sqlQuery, comboBoxEmail, "email"); comboBoxEmail.Text = comboBoxEmail.Items[0].ToString(); }
private void buttonDelete_Click(object sender, EventArgs e) { connectionMySql connectionDB = new connectionMySql(); connectionDB.ConnectionMySql(); try { if (comboBoxCompany.Text != null && comboBoxEmail.Text != null) { connectionDB.deleteCompany(comboBoxCompany.Text, comboBoxEmail.Text); } MessageBox.Show("Company deleted"); DeleteACompanyForm_Load(null, null); comboBoxCompany.Text = null; comboBoxEmail.Text = null; } catch { MessageBox.Show("Error : Can't delete from Database"); } }
private void buttonCreate_Click(object sender, EventArgs e) { try { if (string.IsNullOrWhiteSpace(textBoxSignature.Text) || string.IsNullOrWhiteSpace(textBoxName.Text)) // Checking if all textboxes are filled { MessageBox.Show("You have to fill everything !"); } else { connectionMySql connectionDB = new connectionMySql(); connectionDB.createNewSignature(textBoxName.Text, textBoxSignature.Text); // create the new signature with infos in textboxes MessageBox.Show("New signature added !"); textBoxName.Text = null; textBoxSignature.Text = null; } } catch (Exception er) { MessageBox.Show(er.ToString()); } }