Retrieving data from sqlite3 database( .db file) and storing it in a simple string in c++

I am using visual studio 2015 , basically i want to retrieve SOME data from sqlite database and store it in a string. the following code just displays the data on screen,,, is there any method through which i can store it in a string. PS: i have already created the table through command prompt..I am using visual studio 2015 , basically i wan