string query = "select t1.ID_DP,CASE WHEN mod(Count(t1.ID),100)=0 then Count(t1.ID)/100 else Count(t1.ID)/100+1 END as col" +
                           " from (select distinct ID_DP, ID" +
                           " from DOC.M0M" +
                           " where D='" + tdate+ "') as t1" +
                           " group by t1.ID_DP;";
            OleDbDataAdapter da = new OleDbDataAdapter(query, con);
             da.Fill(ds, "col_mm");

class Makets
{
        public void PerechMM()
        {
            OleDbConnection con = new OleDbConnection(ConnectionString);
            OleDbDataAdapter da1 = CreateAdapter(tdate, "DB2ADMIN.SELECT_VPUT_DATE", con);
            da1.Fill(ds, "inf");
         .....
        }


        private OleDbDataAdapter CreateAdapter(string sdate, string procName, OleDbConnection conn)
        {
            OleDbDataAdapter da = new OleDbDataAdapter();
            OleDbCommand cmd;
            cmd = new OleDbCommand(procName, conn);
            cmd.Parameters.Add("@pYYYYMMDD", OleDbType.Char, 10);
            cmd.Parameters["@pYYYYMMDD"].Value = sdate;
            da.SelectCommand = cmd;
            return da; 
        }
}