Using query with variables in c# and mysql -


i need following set of statements executed , gives fatal error need query output of following query uses 2 variables

database mysql , language c# trying use in c# code using myreader=new mysqlcommand(this query ,connection object).executereader()

set @lastitem := 0, @lastvalue := 0;  select concat (   date (t5.inventorydate)   ,t5.skuoritem   ) pk,     t5.customerid, t5.entityid, t5.inventorydate, t5.skuoritem, t5.category, t5.inventory (  select   '3' customerid,  '90' entityid,  t1.inventorydate inventorydate,   t1.iditem skuoritem,   t4.categoryinventary category,  ifnull(t1.itemqty,0) sales, ifnull(t2.buyqty,0) stockmove,  @lastvalue := if( @lastitem = t1.iditem, @lastvalue + ifnull(t2.buyqty,0) - ifnull(t1.itemqty,0), ifnull(t2.buyqty,0) - ifnull(t1.itemqty,0) ) inventory,  @lastitem := t1.iditem   (  select date(date) inventorydate, iditem, sum(quantity) itemqty   subway.saleitem   group iditem, date(date)  ) t1  left outer join  (  select date(date) inventorydate, iditem, sum(initialbuyquantity) buyqty  subway.invoicestock  group iditem, date(date)  ) t2  on t1.inventorydate = t2.inventorydate , t1.iditem = t2.iditem  inner join subway.item t3 on t1.iditem = t3.iditem  left join subway.categoryinventary t4 on t3.idcategoryinventary = t4.idcategoryinventary  order t1.iditem, t1.inventorydate ) t5

wrap these queries stored procedure or udf. call c# code.


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