troubleshooting Question

How increment number by 1 when text field is one of three choices

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SteveL13Flag for United States of America asked on
Microsoft Access
17 Comments1 Solution436 ViewsLast Modified:
I have a form which has a field which has been populated from an option group on a separate form for the creation of a new record.  This text field, named "txtDrawingType", has either been populated with a "M", a "P", or a "I" from the option group in the separate form.

On this same form is a field named "txtDrawingNumber".  This field can hold a value between:

If "M" in field "txtDrawingType" -  1,000 to 29,999
If "P" in field "txtDrawingType" -  30,000 to 39,999
If "I" in field "txtDrawingType" -  40,000 to infinity

Here is the challenge.  For example, if the drawing type is "M", and the last record written for a "M" type drawing is 1,205 (for example), then the new "txtDrawingNumber" needs to be 1,206.

As another example, using a drawing type of "I", if the last record written had a drawing number of 50,234 then the new record needs to have its drawing number be 50,235.

I have no idea where to begin.  Can someone help?

Thanks,

Steve
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