public List <TUsers> GetUsers() { SqlDataReader result; List <TUsers> users = new List <TUsers>(); //string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString; string constr = @"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename='|DataDirectory|\PedroMayo.mdf';Integrated Security=True"; using (SqlConnection con = new SqlConnection(constr)) { using (SqlCommand cmd = new SqlCommand("SELECT IdUser, Name FROM dbo.TUsers")) { cmd.CommandType = CommandType.Text; cmd.Connection = con; con.Open(); result = cmd.ExecuteReader(); users = DataRecordHelper.ConvertTo <TUsers>(result); con.Close(); } } //IDataReader //return result.AutoMap<>.ToList(); return(users); }