static public Array getCalendar(bool weekView) { MySqlConnection c = new MySqlConnection(SqlUpdater.conString); c.Open(); string query = $"SELECT customerId, type, start, end, appointmentId, userId FROM appointment WHERE userid = '{SqlUpdater.getCurrentUserID()}'"; MySqlCommand cmd = new MySqlCommand(query, c); MySqlDataReader rdr = cmd.ExecuteReader(); Dictionary <int, Hashtable> appointments = SqlUpdater.getAppointments();//new Dictionary<int, Hashtable>(); while (rdr.Read()) { Hashtable appointment = new Hashtable(); appointment.Add("customerId", rdr[0]); appointment.Add("type", rdr[1]); appointment.Add("start", rdr[2]); appointment.Add("end", rdr[3]); appointment.Add("userId", rdr[5]); appointment.Add(Convert.ToInt32(rdr[4]), appointment); } rdr.Close(); foreach (var app in appointments.Values) { query = $"SELECT userName FROM user WHERE userId = '{app["userId"]}'"; cmd = new MySqlCommand(query, c); rdr = cmd.ExecuteReader(); rdr.Read(); app.Add("userName", rdr[0]); rdr.Close(); } foreach (var app in appointments.Values) { query = $"SELECT customerName FROM customer WHERE customerId = '{app["customerId"]}'"; cmd = new MySqlCommand(query, c); rdr = cmd.ExecuteReader(); rdr.Read(); app.Add("customerName", rdr[0]); rdr.Close(); } Dictionary <int, Hashtable> parsedAppointments = new Dictionary <int, Hashtable>(); foreach (var app in appointments) { DateTime startTime = DateTime.Parse(app.Value["start"].ToString()); DateTime endTime = DateTime.Parse(app.Value["end"].ToString()); DateTime today = DateTime.UtcNow; if (weekView) { DateTime sunday = today.AddDays(-(int)today.DayOfWeek); DateTime saturday = today.AddDays(-(int)today.DayOfWeek + (int)DayOfWeek.Saturday); if (startTime >= sunday && endTime < saturday) { parsedAppointments.Add(app.Key, app.Value); } } else { DateTime firstDayOfMonth = new DateTime(today.Year, today.Month, 1); DateTime lastDayOfMonth = firstDayOfMonth.AddMonths(1).AddDays(-1); if (startTime >= firstDayOfMonth && endTime < lastDayOfMonth) { parsedAppointments.Add(app.Key, app.Value); } } } SqlUpdater.setAppointments(appointments); var appointmentArray = from row in parsedAppointments select new { ID = row.Key, Type = row.Value["type"], StartTime = SqlUpdater.convertToTimezone(row.Value["start"].ToString()), EndTime = SqlUpdater.convertToTimezone(row.Value["end"].ToString()), Customer = row.Value["customerName"] }; c.Close(); return(appointmentArray.ToArray()); }