How To Fix “Reference To Type ‘SqlConnection’ Claims Defined In ‘System.Data’, But It Could Not Be Found”

In this post, I will show how to fix the “claims” for System.Data. Are you anxious? Go to “THE SOLUTION ITSELF“.

source https://www.c-sharpcorner.com/Blogs/learn-to-fixing-reference-to-type-sqlconnection-claims-it-is-defined-in-systemdata-but-it-not-be-found