" LEFT JOIN Set_material c ON a.MaterialCode = c.CustomerPartCode {0}\n"+
" LEFT JOIN Set_material c ON a.MaterialCode = c.CustomerPartCode \n"+
" ) temp1\n"+
" LEFT JOIN (select max(Id) Id,MaterialCode,MaterialDesc from Set_material group by MaterialCode,MaterialDesc) temp2 ON temp1.ParentSapMaterialCode = temp2.MaterialCode \n"+