public DataSet GetDataSet(int deptNo)
    {
        DataSet ds = new DataSet();

        try
        {
            string sql = "select BookID,BookTitle,Description,Price,DateAdded,BidingEndDate  from BOOKS  where DeptID    = " +
                         deptNo;
            ds = idba.GetDataSet(sql);
        }
        catch (Exception ex)
        {
            throw ex;
        }
        return(ds);
    }