Пример #1
0
        private void signin_btn_Click_1(object sender, EventArgs e)
        {
            if (email_txt2.Text == "admin" && pass_txt2.Text == "admin123")
            {
                admindashboard admindb = new admindashboard();
                admindb.Show();
            }
            else
            {
                //code for datastoring and validation
                cnn.Open();
                cmd.CommandText = ("select * from app_users where email='" + email_txt2.Text + "'and password='******'");
                cmd.Connection  = cnn;
                SqlDataReader rd = cmd.ExecuteReader();

                if (rd.HasRows)
                {
                    userdashboard userdb = new userdashboard();
                    userdb.Show();
                    LoginInfo.email = email_txt2.Text;
                    //MessageBox.Show(LoginInfo.email);
                }

                else
                {
                    msgrtn = "YOU ARE NOT REGISTERED \n PLEASE SIGNIN";
                    messagebox msgbox = new messagebox();
                    msgbox.labelmsg(msgrtn);
                    msgbox.Show();
                }
                rd.Close();
                cnn.Close();
            }
        }
        //login button code
        private void button1_Click(object sender, EventArgs e)
        {
            My_DB db = new My_DB();

            MySqlDataAdapter adapter = new MySqlDataAdapter();
            DataTable        table   = new DataTable();
            MySqlCommand     command = new MySqlCommand("SELECT * FROM `student` WHERE `reg_no`=@reg_no AND `password`=@password", db.getConnection);

            if (!(textBox1.Text.Trim() == "") && !(textBox2.Text.Trim() == ""))
            {
                command.Parameters.Add("@reg_no", MySqlDbType.VarChar).Value   = textBox1.Text;
                command.Parameters.Add("@password", MySqlDbType.VarChar).Value = textBox2.Text;

                adapter.SelectCommand = command;
                adapter.Fill(table);

                if (table.Rows.Count > 0)
                {
                    if (table.Rows[0][10].ToString() == "0")
                    {
                        session1 = table.Rows[0][1].ToString();
                        session2 = table.Rows[0][2].ToString();
                        reg      = table.Rows[0][0].ToString();

                        this.Close();
                        admindashboard admin = new admindashboard(session1, session2, reg);
                        admin.Show();
                    }
                    if (table.Rows[0][10].ToString() == "1")
                    {
                        reg = table.Rows[0][0].ToString();

                        this.Close();
                        userdashboard user = new userdashboard(reg);
                        user.Show();
                    }
                }
                else
                {
                    MessageBox.Show("Invalid User..! Please Check Your Register No & Password");
                }
            }
            else
            {
                if (textBox1.Text.Trim() == "")
                {
                    MessageBox.Show("Please Enter Register Number");
                }
                else
                {
                    MessageBox.Show("Please Enter Password");
                }
            }
        }