A very simple way to require numbers only in a text box.

by Mike Reed (4 Submissions)
Category: String Manipulation
Compatability: Visual Basic 5.0
Difficulty: Unknown Difficulty
Originally Published: Tue 23^rd May 2000
Date Added: Mon 8^th February 2021
Rating: (1 Votes)

Rate A very simple way to require numbers only in a text box.




'Making sure user enter a number 15 thur 600

Dim TestInput As Integer     'Will set for numbers only

On Error GoTo Inputwrong    'On error will goto a message.

TestInput = txtCmdMin.Text  
    If TestInput < 15 Or TestInput > 600 Then
       MsgBox "Invalid number, Please re-enter a number 15 thru 600!", , "Your title"
        txtCmdMin.SetFocus
        SendKeys "{Home}+{End}"
        Exit Sub
    End If
Inputwrong:  'If the user input was anything but a number this will display.
  If Err.Number = 13 Then
    MsgBox "Invalid number, Please re-enter a number 15 thru 600!", , "Your title"
        txtCmdMin.SetFocus
        SendKeys "{Home}+{End}"
        Exit Sub
 End If
End Sub

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A very simple way to require numbers only in a text box.

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