f

#### text field only for text - no numbers

Hi

I would like some help about the following :

I have a text field and I don't want it contains any numbers. How can I
limit
this situation ?

TIA
Paulo


 0
amigo.alf (1)
10/15/2003 10:56:15 PM
comp.databases.ms-access 42670 articles. 0 followers.

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"Paulo Rodrigues" <amigo.alf@netvisao.pt> wrote in message news:<newscache$kgmtmh$bb1$1@newsfront4.netvisao.pt>... > Hi > > I would like some help about the following : > > I have a text field and I don't want it contains any numbers. How can I > limit > this situation ? > > So far, I couldn't find literature exacly about this here in the newsgroup. > > TIA > Paulo Paulo, the online help is your FRIEND. Private Sub Text0_KeyPress(KeyAscii As Integer) If KeyAscii >= 48 And KeyAscii <= 57 Then KeyAscii = 0 End If End Sub Just put this code in the KeyPress event of whatever text field you do not want to contain numbers. OR you could glue thumbtacks to the number keys on all your users keyboards...   0 pietlinden (2926) 10/16/2003 1:49:29 AM Thought I'd add my 2 cents worth. Avoid magic numbers, especially when you can use builtin VBA constants. The following is a little more intuitive to read and a future developer does not have to lookup 48 and 57 to see exactly what is being blocked. Private Sub Text2_KeyPress(KeyAscii As Integer) 'Cancel any numeric keys If KeyAscii >= vbKey0 And KeyAscii <= vbKey9 Then KeyAscii = 0 End If End Sub The above solution does not stop the user from cutting and pasting a numeric character. Its often the small things that get you. <g> I have a couple of generic functions, which do stop the user from pasting banned characters and it also allows you to add a series of non consecutive banned characters such as spaces or quotes or commas etc. Both functions could be modified for speed but I'm lazy and they work so I've never bothered tweaking them. Pieter's solution is much faster but does not allow you to easily add a newly banned character for numerous text boxes by modifying one constant in one place. I couldn't find the functions, so I rewrote them. You should test them if you use them and limit the length of the string to the maximum length of the field. This will slow down enough to be painful with a huge field so use it sparingly. You can also trap the "paste" using API calls and check the string at this point, which will speed things up considerably but all of this is overkill for 99% of applications. Have fun. Can you tell I'm bored? I go sailing in two days for four weeks so I'm just killing time at work. 'String of banned characters for text boxes Const fstrBANNED = "0123456789" 'Maximum text box field length Const flngMAX_LENGTH As Long = 255 Private Sub Text0_Change() StripBannedChars Text0 End Sub Private Sub Text0_KeyPress(KeyAscii As Integer) CancelBannedKey KeyAscii, fstrBANNED End Sub Public Sub CancelBannedKey( _ ByRef rintKeyASCII As Integer, _ ByVal vstrBanned As String) '******************************************************** 'Purpose: Cancels the key press for all banned ' characters specified in the supplied string '******************************************************** 'Loop through every character in the supplied string While Len(vstrBanned) > 0 'If the key pressed is the specified key, cancel it If rintKeyASCII = _ Asc(Left(vstrBanned, 1)) Then rintKeyASCII = 0 'Strip the leading character vstrBanned = Right(vstrBanned, Len(vstrBanned) - 1) Wend 'more characters End Sub Private Function strStripBannedChars( _ ByVal vstrSource As String, _ ByVal vstrBanned As String) As String '******************************************************** 'Purpose: Strips all banned characters from the ' supplied source string '******************************************************** 'Loop through every character in the supplied string While Len(vstrBanned) > 0 'Replace any occurrence of each banned 'character with an empty string vstrSource = Replace(vstrSource, _ Left(vstrBanned, 1), vbNullString) 'Strip the leading character from the banned characters vstrBanned = Right(vstrBanned, Len(vstrBanned) - 1) Wend 'more characters strStripBannedChars = vstrSource End Function Public Sub StripBannedChars(ByVal vtxt As TextBox, _ Optional ByVal vlngMaxLength As Long = flngMAX_LENGTH) '******************************************************** 'Purpose: Strips all banned characters from the supplied ' textbox. The cursor returns to the start of ' the textbox if banned characters are found. '******************************************************** Dim strSource As String Dim strStripped As String 'The source string to be tested for banned characters strSource = vtxt.Text 'The source string with banned characters removed strStripped = strStripBannedChars(strSource, fstrBANNED) 'If the source string has any banned characters 'remove them. This will trigger this function 'again. Beware of recursive event triggers! If strSource <> strStripped Then vtxt.Text = Left(strStripped, vlngMaxLength) End If 'Finished with the local pointer Set vtxt = Nothing End Sub   0 10/16/2003 6:53:45 AM  Reply: Similar Artilces: text-text Wondering how what I input to my UTF-8 terminal gets passed along through my patched [1] trn ... Cyrillic: А Б В Г Д Е Ж З И Й К Л М Н О П а б в г д е ж з и й к л м н о п IPA: ᴀ ᴁ ᴂ ᴃ ᴄ ᴅ ᴆ ᴇ ᴈ ᴉ ᴊ ᴋ ᴌ ᴍ ᴎ ᴏ ɀ Ɂ ɂ Ƀ Ʉ Ʌ Ɇ ɇ Ɉ ɉ Ɋ ɋ Ɍ ɍ Ɏ ɏ [1] https://groups.google.com/d/msg/comp.sys.raspberry-pi/7Z37Hdrm0DM/6aqD-reXFzAJ ... text + text What is "text + text" supposed to do right now? It doesn't seem very useful to me. What about making "text + text" as an equivalent for "text || text"? Most strongly-typed programming languages do this. And MS SQL Server too, I think (CMIIW). -- dave ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org Am Freitag, 8. Oktober 2004 12:57 schrieb David Garamond: > What is "text + text" supposed to do right now? Nothing. > What about making "text + text" as an equivalent for "text > || text"? Most strongly-typed programming languages do this. And MS SQL > Server too, I think (CMIIW). What would this gain except for bloat? It's not like SQL is utterly compatible with any programming language; users will still have to learn all the operators anyway. -- Peter Eisentraut http://developer.postgresql.org/~petere/ ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match Peter Eisentraut wrote: >>What is "text + text" supposed to do right now? > > Nothing. Then are these bugs? (7.4.5 and 8.0.0beta1 give same results). Frankly, the current behaviour is quite strange to me. ------------------ =... Unbound text box, text>255, MS Access/PostgreSQL Hello. I have the following problem with MS Access/PostgreSQL combination: There is a form in Access that has an unbound text box, used for entering a commentary of a batch of records. There is a DAO Append Query that has a parameter that is passed from the text box using parameter of DAO QueryDef object. 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