I'm looking for the best way to auto generate a serial number in ms access. Serial number is based on style selected and the next available number. Drop down menu 'Style' - 1, 2, or 3 2. Look for next available number in that series 'number format is 000' and assign it to new record. Serial numbers are to appear as 1-000 or 2-001. Dragon Ball Z Games Free Download For Windows 7 Torrent. Records will never exceed 999, therefore I'm not worried about only having a 3 digit number. Currently I have the following tables TRecords - Stores the data TStyle - is the 3 different styles with primary key 1,2, & 3 I'm creating the data entry form now where I plan on the clculation to take place probably on a change event or button click.
Thanks in advance. Do the numbers need to be sequential? Will there be a different sequence for Style?
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Unless there is a need for sequential numbers or different sequences, then I would just use an Autonumber field. The style and the serial number should not be stored together. They are two separate pieces of info and you can use a concatenation expression to display them together.
If you do need sequential, please review my blog on Sequential numbering. Hope this helps, Scott Blog: Microsoft Access MVP since 2007. Firstly do not store the structured serial number as a single column, but concatenate the formatted values from numeric Style and SerialNumber columns into a single computed column in a query or a computed control in a form or report. Combining the data into a single column would introduce redundancy and prevent the enforcement of referential integrity. The two columns in combination are a candidate key of the table so should be defined as such, either by making them the composite primary key (the easiest option) or by including both columns in a single unique index if a surrogate primary key such as an autonumber is employed. You'll find an example of serial numbering by group in CustomNumber.zip in my public databases folder at: If you have difficulty opening the link copy its text (NB, not the link location) and paste it into your browser's address bar.
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