How to set TextBox Text when value selected from DropDown

Dear all,

I am working asp.net c# web application and database MySql.

1. Select Customer code like 10385 from dropdown
2. Auto fill up field : Customer Name: Md Syedur rahman
3. Auto fill up field : Division : Dhaka
4. Auto fill up field  : District: Rajbari
5. Auto fill up field  : Thana: Pangsha
6. Auto fill up field : Customer Type: Regular


Using asp.net c# website. How can Solve this solution.

Thanks
Best Regards
Syedur