Lập trình .net core

  http://www.hanhtranglaptrinh.com/2012/10/nen-va-giai-nen-chuoi-trong-c-compress.html

  https://tuhocict.com/ket-noi-toi-sql-server-connection-string-lop-sqlconnection-connection-pool/

  https://ngoctansoftware.wordpress.com/2016/07/16/van-de-connection-pool-giua-c-va-sql/

  https://xuanthulab.net/su-dung-giao-dien-idisposable-va-tu-khoa-using-trong-c-sharp.html

  https://coding4food.net/2018/03/03/asp-net-core-auto-anti-forgery-token/