Hi Mukesh,
Try:
SELECT T0.DocNum as DelNo,T0.DocDate, T2.DocNum as INVNo, t2.docdate, DateDiff(dd,T0.DocDate,T2.DocDate) 'Days', T0.CardCode, T0.CardName,
T1.ItemCode, T1.Dscription, T1.Quantity FROM ODLN T0
INNER JOIN DLN1 T1 ON T0.DocEntry = T1.DocEntry
INNER JOIN INV1 T3 ON T3.BaseEntry=T0.DocENtry AND T3.BaseLine=T1.LineNum
INNER JOIN OINV T2 ON T2.DocEntry = T3.DocEntry
WHERE t0.docdate >= [%1] and t0.docdate <= [%2]
Thanks,
Gordon