public SqlPredicate Or(SqlPredicate p)
 {
     return(string.Format("( {0} ) OR ( {1} )", Sql, p.Sql));
 }
 public SqlPredicate Or(SqlPredicate p)
 {
     return string.Format("( {0} ) OR ( {1} )", Sql, p.Sql);
 }
 public SqlPredicate And(SqlPredicate p)
 {
     return(string.Format("( {0} ) AND ( {1} )", Sql, p.Sql));
 }
        public SqlPredicate And(SqlPredicate p)
        {

            return string.Format("( {0} ) AND ( {1} )", Sql, p.Sql);
        }