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Autogenerate IDs in VB6 and SQL

Posted on 2009-07-11
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Last Modified: 2012-06-27
I have an SQL database and have a vb6 application.  Here is the situation:  We have students that are assigned IDs according to groups.  The ID is comprised of 5 numbers.  The first two numbers represent the Group.  Then the next 3 numbers represent the Student ID.  The Student ID increments by 1 every time there is a new student registered.

For example,  If they belong to group A, then they will be assigned 23xxx.
Group B, then 24xxx

So if a 3 new students come to group A, then it would be 23001, 23002, 23003

Do I have the ability to use Autonumber in SQL or do something in VB6, to make this happen

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Question by:al4629740
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Anthony Perkins earned 1500 total points
ID: 24832982
>>Do I have the ability to use Autonumber in SQL or do something in VB6, to make this happen<<
If you are using MS SQL Server and are referring to the IDENTITY attribute then no, you cannot use it.  You will have to resort to doing MAX(StudentID) + 1 to get the next one and concatentate that to the Group.

If on the other hand you are using MS Access and are referring to the AutoNumber column then the answer is the same, but then you should not have posted in the MS SQL Server Zone.  :)
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by:al4629740
ID: 24832989
Sorry, I'm using SQL Express 2005

"MAX(StudentID) + 1"   Is that a VB command?
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by:Anthony Perkins
ID: 24833002
No.  It is SQL (T-SQL to be precise) the language you use to work with your database.  It has clauses like SELECT, FROM, WHERE, GROUP BY, ORDER BY.  Do those ring a bell?
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Author Comment

by:al4629740
ID: 24833010
hmm, I'm only familiar with VB.  I just use SQL to place my data in.  

Where would I put that command?
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by:Anthony Perkins
ID: 24833029
>>I just use SQL to place my data in. <<
I see.  If you cannot find anyone here prepared to tutor you, perhaps you should contract someone at www.rentacoder.com
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