troubleshooting Question

Letter Incrimenting ID System

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EasyToHelpFlag for South Africa asked on
.NET ProgrammingC#Visual Basic.NET
10 Comments1 Solution196 ViewsLast Modified:
I have a product ID system that works on letters and numbers


If a member puts in a LotNumberPrefix which can be A-Z it must insert the next available LotNumberId which is linked to the prefix. EG.

LotNumberPrefix | LotNumberId | LotNumberSuffix
A | 1
A | 2
A | 3
B | 1
B | 6

If they enter a LotNumberPrefix  and a LotNumberId Manually that exists it must add a LotNumberSuffix automatically Starting with A and incrimenting Like This:

LotNumberPrefix | LotNumberId | LotNumberSuffix
A | 1
A | 2
A | 2 | A
A | 2 | B
A | 2 | C

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