public string DBSize()
        {
            using(SqlCommand comm = CreateCommand())
            {
                comm.CommandText = "sp_spaceused";
                comm.CommandType = CommandType.StoredProcedure;
                string dbSize = "";
                using(SqlDataReader dr = comm.ExecuteReader())
                {
                    if(dr.HasRows)
                    {
                        dr.Read();
                        dbSize = dr[1].ToString();
                    }
                }
                return dbSize;
            }
            
        }}