monitor the rank trend of asin from amz

Language: C# Database: mysql SDK: .netframwork 4.6; amazon api Skill: mysql,timer,chart (line), amazon sdk Features: 1. import asin list by csv save to mysql datebase. set up the mysql config; 2. click the "update button" to update all rank value of asin from amazon api. 3. search asin or click the left list to view trend. (refer to the photo view). 4. click the button of date to filter the date range. 5. the X value is date, example: 2018-10-11,2018-10-12, the Y value is the Rank, range(1-80000) 6. The series include 2 rank for example: Rank 1 is the Main category, Rank 2 is the Details category value.