private void button4_Click(object sender, EventArgs e) { MeniuPrincipal mp = new MeniuPrincipal(); mp.Show(); this.Hide(); }
private void button5_Click(object sender, EventArgs e) { if (Form1.UN == "Timotei") { MeniuPrincipal mp = new MeniuPrincipal(); mp.Show(); this.Hide(); } else { MeniuUser mu = new MeniuUser(); mu.Show(); this.Hide(); } }
private void button4_Click(object sender, EventArgs e) { try { SqlConnection con = new SqlConnection(sqlCon); con.Open(); if (con.State == ConnectionState.Open) { MeniuPrincipal mp = new MeniuPrincipal(); mp.Show(); this.Hide(); } } catch (Exception exp) { MessageBox.Show(exp.Message, "Eroare aparuta in urma operatiunilor desfasurate", MessageBoxButtons.OK, MessageBoxIcon.Error); } }
private void button1_Click(object sender, EventArgs e) { UN = txtId.Text.ToString(); //Apasare pe Conectare // Daca se omite userul if (txtId.Text.ToString() == "") { MessageBox.Show("Introduceți username-ul", "Eroare", MessageBoxButtons.OK, MessageBoxIcon.Error); txtId.Focus(); return; } // Daca se omite parola if (txtPass.Text.ToString() == "") { MessageBox.Show("Introduceți parola", "Eroare", MessageBoxButtons.OK, MessageBoxIcon.Error); txtPass.Focus(); return; } try { // Deschid o conexiune catre baza de date SqlConnection con = new SqlConnection(sqlCon); // Creez comanda SqlCommand comm = new SqlCommand("SELECT Username, Password FROM Users WHERE Username = '******' AND Password = '******';", con); //SqlParameter uname = new SqlParameter("@Username", SqlDbType.VarChar); //SqlParameter pass = new SqlParameter("@Password", SqlDbType.VarChar); //uname.Value = txtId.Text; //pass.Value = txtPass.Text; // Adaug parametrii comenzii //comm.Parameters.Add(uname); //comm.Parameters.Add(pass); comm.Connection.Open(); SqlDataReader sdr = comm.ExecuteReader(CommandBehavior.CloseConnection); if (sdr.Read()) { MessageBox.Show("Bine ati venit, " + txtId.Text + "!"); if (txtId.Text.ToString() == "Timotei" && txtPass.Text.ToString() == "proiectBD") { MeniuPrincipal mp = new MeniuPrincipal(); mp.Show(); this.Hide(); } else { MeniuUser mu = new MeniuUser(); mu.Show(); this.Hide(); } } else { MessageBox.Show("Login esuat! Reincercati", "Neautorizat!", MessageBoxButtons.OK, MessageBoxIcon.Error); // Sterg continutul txtId.Clear(); txtPass.Clear(); txtId.Focus(); } if (con.State == ConnectionState.Open) { // Inchid conexiunea con.Dispose(); } } catch (Exception exc) { MessageBox.Show(exc.Message, "Eroare aparuta!", MessageBoxButtons.OK, MessageBoxIcon.Error); } /* Pentru test * // deschid o conexiune catre baza de date * SqlConnection con = new SqlConnection(sqlCon); * con.Open(); * * // daca s-a conectat * if (con.State == System.Data.ConnectionState.Open) * { * string query = "INSERT INTO Test(nume) VALUES ('" + txtPass.Text.ToString() + "')"; * * // execut comanda * SqlCommand sqlCom = new SqlCommand(query, con); * sqlCom.ExecuteNonQuery(); * * // testez comanda * MessageBox.Show("Connection was successfull"); * }*/ }