mujhay expert se ms access main help chaiy . main ek sales program bana chata hon jis main mujhey ek cheez samajh nahi aarahay hai .jab bhi koi invoice banatay hain to us form pe item code , phir item name , us kay rate us ki qty or buhat kuch hota hai invoice form pe . lakin main ye chata hon jab bhi main item code lagon to display main item name khud ma khud ajay or us kay rate bhi jo hum nay database main feed kay thay ( tu mjhy es ki coding chaiy or thora detail say samjha bhi dain tu meharbani ho gi