Hello sir, i want to do server side validation in struts based on 3 fields. those 3 field are BatchNo,LotNo,StepNo.Here we can have the same batchno,lotno for different forms,but the stepNo should be unique....i have to display error if these 3 are repeated again...This should be done through database...can u please tell me how to write code for this....please help me...
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