下面我有我測試過的 SQL 查詢工作正常Select     data_info.user_id, data_info.type_id, data_info.specific_title,    data_info.content, life_area.type_id, life_area.type_idFrom    data_info Left Join    life_area On data_info.type_id = life_area.idWhere     data_info.user_id = '0001'現在我試圖將工作 SQL 轉換為 asp.net MySqlCommand，但它無法工作并顯示語法錯誤MySqlCommand cmd = new MySqlCommand(    "Select data_info.user_id,data_info.type_id,data_info.specific_title,data_info.content,"+    "life_area.type_id,life_area.type_id" +    "FROM data_info LEFT JOIN life_area ON data_info.type_id = life_area.id" +    "Where data_info.user_id='0001'" , conn);