quantity numberic digit is like this 1.000 2.000

After changed to 5 to 10, there is no more error form the statement

Thank you ALL : )

ItemCode is not numberic. Quantity is numberic

Error Comes out

Executed SQL Statement: SELECT oi.ItemCode + ' X ' + CAST(oi.Quantity AS VARCHAR(5)) AS Expr1, oi.ItemCode, oi.ItemDescription, oi.Quantity, oi.UnitWeight, os.Ref1....

Error Source: .Net SqlClient Data Provider

Error Message:...