[AccessD] Format of a field.

Hi Erwin

> This is probably the first time in probably 10 years I'm looking at the
> field format in a table again.
> I never used them because of never needed or wanted it.
 
> I want to paper format an IBAN code which is 4 characters space 4
> characters space 4 characters etc.
 
> something like this 
> 1234 ABCD 5678 EFGH 90
 
> The thing is that a IBAN code can be  34 character long wich means if
> all 34 characters are used you have at the end 2 characters.
> So I formated &&&& &&&& &&&& &&&& &&&& &&&& &&&& &&&& &&
> But instead of aligning left it aligns right, so my code looks like 
> 12 34AB CD56 78EF GH90
> instead of
> 1234 ABCD 5678 EFGH 90
 
> How can I resolve this that the code is left aligned and not right?
> I could write some code to do this, but this is like a real good
> situation where I could use the format property of a field/control.
 
You are close. This is how to format a textbox:

!&&&& &&&& &&&& &&&& &&&& &&&& &&&& &&&& &&

Also, we have this function for creating a formatted string:

<code>

Public Function FormatPaperIBAN(ByVal strIBAN As String) As String

' Formats Electronic IBAN (or Paper IBAN) strIBAN as Paper IBAN.
'
' Example:
'   FR1420041010050500013M02606
' formats as
'   FR14 2004 1010 0505 0001 3M02 606
'
' Limitation: Doesn't validate strIBAN except for string length.
' Use IsStrIBAN(strIBAN) for complete validation.
'
' Requires:
'   MTrim()
'
' 2003-06-25. Cactus Data ApS. CPH.

  Dim strPaperIBAN  As String
  Dim strFormat     As String
  Dim strTrim       As String
  Dim strGroup      As String
  Dim lngGroups     As Long
  Dim lngIBAN       As Long
  Dim lngLoop       As Long
  
  ' Trim mid spaces from string.
  strTrim = MTrim(strIBAN)
  lngIBAN = Len(strTrim)
  If lngIBAN < pclngLenISO3166Alpha + pclngLenISO7064Check + pclngLenBBANMin Then
    ' Not a possible IBAN string.
  Else
    ' Calculate number of format groups.
    lngGroups = (lngIBAN - 1) \ pclngLenIBANPaperGroup
    ' Build left filling format string forcing uppercase.
    strGroup = String(pclngLenIBANPaperGroup, "&")
    strFormat = "!>" & strGroup
    For lngLoop = 1 To lngGroups
      strFormat = strFormat & Space(pclngLenIBANPaperGroupSpacing) & strGroup
    Next
    ' Fill string from left to right.
    strPaperIBAN = Format(strTrim, strFormat)
  End If
  
  FormatPaperIBAN = strPaperIBAN

End Function

Public Function MTrim(ByVal strString As String) As String

' Trims strString for mid and outer spaces.
'
' 1999-06-23. Cactus Data ApS. CPH.

  Const cstrSpace As String * 1 = " "
  
  Dim lngTemp As Long
  Dim lngChop As Long
  Dim lngLoop As Long
  Dim strTemp As String
  Dim strTrim As String
    
  strTemp = Trim(strString)
  lngTemp = Len(strTemp)
  If lngTemp > 0 Then
    strTrim = strTemp
    lngChop = 1
    Do
      lngChop = InStr(lngChop, strTrim, cstrSpace)
      If lngChop > 0 Then
        ' A space is found. Shift one character and
        ' overwrite this space in string strTrim.
        lngLoop = lngLoop + 1
        Mid(strTrim, lngChop) = Mid(strTemp, lngChop + lngLoop)
      End If
    Loop Until lngChop = 0
    ' String strTrim now contains no spaces.
  End If
  
  ' Return net length of trimmed string.
  MTrim = Left(strTrim, lngTemp - lngLoop)

End Function


</code>

/gustav
 

> Erwin Craps

> Zaakvoerder 

> www.ithelps.be/jonathan

 

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