//Grabs all rows from the AspNetUsers database
        public static List <UserModel> LoadUsers()
        {
            //create sql statement to get all info from the user database
            string sql = @"SELECT dbo.AspNetUsers.Id, dbo.AspNetUsers.Email, dbo.AspNetUsers.UserName, dbo.AspNetUserRoles.UserId, dbo.AspNetUserRoles.RoleId
                           FROM dbo.AspNetUsers
                           LEFT JOIN dbo.AspNetUserRoles ON dbo.AspNetUsers.Id = dbo.AspNetUserRoles.UserId
                           ORDER BY dbo.AspNetUserRoles.RoleId";

            //executes the sql statement and returns the number of rows affected
            return(SqlDataAccess.LoadUserData <UserModel>(sql));
        }