Can I put all my sql in the web.config instead of my code behind?

I'm making the switch from vb.net to C#.  And with that, I want to move away from using sql datasources in the aspx page, and put the code to execute my sql statements "where it should be".  Only thing is, I don't know where exactly that is.  Basically, there are a three or four stored procedures that a page of this small website may need execute per page.    Instead of putting all this in the code behind of the first page, and then copy/paste similar in other pages, I'd like to put it all together in one spot and then have each page "call" as needed.  Problem is, I just don't know where/how this should be to do this the proper way.  I'm trying to learn a better way of coding this... 
 
protected void getSectionContent()
    {
SqlConnection conn = default(SqlConnection);
        SqlCo ...