private void btnCashier_Click(object sender, EventArgs e) { this.Hide(); CashierForm cashier = new CashierForm(); cashier.Show(); }
private void btnLogin_Click(object sender, EventArgs e) { username = txtUsername.Text; password = txtPassword.Text; if (username == "") { txtUsername.Focus(); } else if (password == "") { txtPassword.Focus(); } else { role = null; String sql = "SELECT role FROM Accounts WHERE username = '******' and password = '******'"; cmd = new SqlCommand(sql, connection); reader = cmd.ExecuteReader(); if (reader.HasRows) { while (reader.Read()) { role = reader[0].ToString(); } } reader.Close(); if (role == "Admin") { AdminForm admin = new AdminForm(); admin.Show(); connection.Close(); this.Hide(); } else if (role == "Cashier") { CashierForm cashier = new CashierForm(); cashier.Show(); connection.Close(); this.Hide(); } else { MessageBox.Show("Authentication failed.", "Login CFS", MessageBoxButtons.OK, MessageBoxIcon.Error); txtUsername.Text = ""; txtPassword.Text = ""; txtUsername.Focus(); } } }