public static List <Note> getNotes(int taskID, int subtaskID) { List <Note> notes = new List <Note>(); string selectStatement = ""; SqlConnection connection = DBConnection.GetConnection(); if (subtaskID == -1) { selectStatement = "SELECT * FROM note " + "WHERE " + "taskID = @taskID and " + "subtaskID is null"; } else { selectStatement = "SELECT * FROM note " + "WHERE " + "taskID = @taskID and " + "subtaskID = @stID"; } SqlCommand selectCommand = new SqlCommand(selectStatement, connection); selectCommand.Parameters.AddWithValue("@taskID", taskID); selectCommand.Parameters.AddWithValue("@stID", subtaskID); try { connection.Open(); SqlDataReader reader = selectCommand.ExecuteReader(); while (reader.Read()) { Note note = new Note(); note.taskID = Convert.ToInt32(reader["taskID"]); if (reader["subtaskID"] == DBNull.Value) { note.subtaskID = 0; } else { note.subtaskID = Convert.ToInt32(reader["subtaskID"]); } note.noteID = Convert.ToInt32(reader["noteID"]); note.note_message = reader["note_message"].ToString(); notes.Add(note); } reader.Close(); } catch (SqlException ex) { throw ex; } finally { connection.Close(); } return(notes); }