Validate Input *RESOLVED*

this is the only problem I'm still having. I didn't put it in my last thread b/c I figured everything else out. Anyway I need to make an if, then statement for this:

If not number or = 0 or < 0 then display message box

This is what I got and it works fine, but don't know how to make it appear if someone enters Text (ex:asfasfafsas)

VB Code:

If txtTransaction.Text <= "0" Then
            MessageBox.Show("Please enter an amount > 0.", "Error")
            txtTransaction.Focus()
        End If

See this thread:

http://www.vbforums.com/showthread.p...=validate+text

Quote:

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Originally posted by twisted
this is the only problem I'm still having. I didn't put it in my last thread b/c I figured everything else out. Anyway I need to make an if, then statement for this:

If not number or = 0 or < 0 then display message box

This is what I got and it works fine, but don't know how to make it appear if someone enters Text (ex:asfasfafsas)

VB Code:

If txtTransaction.Text <= "0" Then
            MessageBox.Show("Please enter an amount > 0.", "Error")
            txtTransaction.Focus()
        End If

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Hi,

You have already received an answer to this in your previous threads

If val(txtTransaction.Text) <= 0 Then

Thanks! How do I stop the sub procedure after this executes and point it back to the beginning??

HI,

VB Code:

If val(txtTransaction.Text) <= 0 Then
  MessageBox.Show("Please enter an amount > 0.", "Error")
  txtTransaction.Text=""
  Exit Sub
End If

This will return you to the calling routine and clear the text box for a correct entry. This assumes that you carry out the calculations and updating of textboxes after the "End If" above.

Thanks again! I have finished this assignment and I'll be working on my next one, which I'm sure you'll hear from me. Thanks again!