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Dim vendorID As String
Dim vendorIDNum As String
Dim idVal As Integer
Dim vendorIDLen As Integer
' get the max vendor id from a table
vendorID = DMax("vendorID", "table1")
' split off the ven prefix
vendorIDNum = Mid(vendorID, 4)
'convert to a number
idVal = CInt(vendorIDNum)
' add one to it
idVal = idVal + 1
'convert back to string
vendorID = CStr(idVal)
'check the length
vendorIDLen = Len(vendorID)
If vendorIDLen = 1 Then
vendorID = "VEN000000000" & vendorID
ElseIf vendorIDLen = 2 Then
vendorID = "VEN00000000" & vendorID
ElseIf vendorIDLen = 3 Then
vendorID = "VEN0000000" & vendorID
ElseIf vendorIDLen = 4 Then
vendorID = "VEN000000" & vendorID
ElseIf vendorIDLen = 5 Then
vendorID = "VEN00000" & vendorID
ElseIf vendorIDLen = 6 Then
vendorID = "VEN0000" & vendorID
ElseIf vendorIDLen = 7 Then
vendorID = "VEN000" & vendorID
ElseIf vendorIDLen = 8 Then
vendorID = "VEN00" & vendorID
ElseIf vendorIDLen = 9 Then
vendorID = "VEN0" & vendorID
ElseIf vendorIDLen = 10 Then
vendorID = "VEN" & vendorID
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