restrict textbox values on a userform

conny2254

Board Regular
Joined
Jun 9, 2009
Messages
248
Is there an easy way to restrict what can be entered into a textbox on userform. such as restrict the textbox to numbers 1-12, and to limit a textbox to letters only and to limit the textbox to only 2 characters?

thank you in advance for any help!
 

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Not well tested and there's probably an easier/more efficient test, but seems to work.

<font face=Courier New><SPAN style="color:#00007F">Option</SPAN> <SPAN style="color:#00007F">Explicit</SPAN><br><br><SPAN style="color:#007F00">'// After setting .MaxLength = 2 for both textboxes...</SPAN><br><br><br><SPAN style="color:#007F00">'// For a one or two-digit number</SPAN><br><SPAN style="color:#00007F">Private</SPAN> <SPAN style="color:#00007F">Sub</SPAN> TextBox1_Change()<br>    <SPAN style="color:#00007F">If</SPAN> <SPAN style="color:#00007F">Not</SPAN> TextBox1.Value = vbNullString _<br>    And <SPAN style="color:#00007F">Not</SPAN> TextBox1.Value <SPAN style="color:#00007F">Like</SPAN> "#" _<br>    And <SPAN style="color:#00007F">Not</SPAN> TextBox1.Value <SPAN style="color:#00007F">Like</SPAN> "##" _<br>    Or _<br>    ((<SPAN style="color:#00007F">Not</SPAN> TextBox1.Value > 0 _<br>    <SPAN style="color:#00007F">Or</SPAN> <SPAN style="color:#00007F">Not</SPAN> TextBox1.Value < 13) _<br>    And <SPAN style="color:#00007F">Not</SPAN> TextBox1.Value = vbNullString) <SPAN style="color:#00007F">Then</SPAN><br>        TextBox1.Value = vbNullString<br>        MsgBox "Enter an Integer from 1 to 12", 0, vbNullString<br>    <SPAN style="color:#00007F">End</SPAN> <SPAN style="color:#00007F">If</SPAN><br>    <br><SPAN style="color:#00007F">End</SPAN> <SPAN style="color:#00007F">Sub</SPAN><br><br><SPAN style="color:#007F00">'// For one or two alpha characters</SPAN><br><SPAN style="color:#00007F">Private</SPAN> <SPAN style="color:#00007F">Sub</SPAN> TextBox2_Change()<br>    <SPAN style="color:#00007F">If</SPAN> <SPAN style="color:#00007F">Not</SPAN> TextBox2.Value = vbNullString _<br>    And <SPAN style="color:#00007F">Not</SPAN> TextBox2.Value <SPAN style="color:#00007F">Like</SPAN> "[A-Z]" _<br>    And <SPAN style="color:#00007F">Not</SPAN> TextBox2.Value <SPAN style="color:#00007F">Like</SPAN> "[a-z]" _<br>    And <SPAN style="color:#00007F">Not</SPAN> TextBox2.Value <SPAN style="color:#00007F">Like</SPAN> "[A-Z][A-Z]" _<br>    And <SPAN style="color:#00007F">Not</SPAN> TextBox2.Value <SPAN style="color:#00007F">Like</SPAN> "[a-z][a-z]" _<br>    And <SPAN style="color:#00007F">Not</SPAN> TextBox2.Value <SPAN style="color:#00007F">Like</SPAN> "[A-Z][a-z]" _<br>    And <SPAN style="color:#00007F">Not</SPAN> TextBox2.Value <SPAN style="color:#00007F">Like</SPAN> "[a-z][A-Z]" <SPAN style="color:#00007F">Then</SPAN><br>        TextBox2.Value = vbNullString<br>        MsgBox "Enter one or two letters", 0, vbNullString<br>    <SPAN style="color:#00007F">End</SPAN> <SPAN style="color:#00007F">If</SPAN><br><SPAN style="color:#00007F">End</SPAN> <SPAN style="color:#00007F">Sub</SPAN><br></FONT>

Hope that helps,

Mark
 
Upvote 0
try
Code:
Private Sub TextBox1_Exit(ByVal Cancel As MSForms.ReturnBoolean)
    If TextBox1.Value = "" Then Exit Sub
    If Not Numbers(TextBox1.Value, 1, 12) Then
        MsgBox "Invalid entry"
        Cancel = True
    End If
    If Not Alpha(TextBox1.Value) Then
        MsgBox "Alphabets Only"
        Cancel = True
    End If
    If (Not Alpha(TextBox1.Value)) + (Len(TextBox1.Value)<>2) Then
        MsgBox "2 Alphabets only"
        Cacel = True
    End If
End Sub
 
Function Numbers(ByVal txt As String, myMin As Long, _
        myMax As Long) As Boolean
    Numbers = ((Val(txt) >= myMin) * (Val(txt) <= myMax))
End Function
 
Function Alpha(ByVal txt As String) As Boolean
    Alpha = (Not txt Like "*[!A-Za-z]*")
End Function
 
Upvote 0
Thank you for the quick reply that worked perfectly, but if before the message box appears I try to hide the userform and after they click ok on the message box show the userform the macro does not work when the userform reappears? Do you know why this is?

thank you again for all the help!
 
Upvote 0
Thank you for the quick reply that worked perfectly, but if before the message box appears I try to hide the userform and after they click ok on the message box show the userform the macro does not work when the userform reappears? Do you know why this is?

thank you again for all the help!

Which code are you using?
 
Upvote 0

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