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Posted by / 15-Nov-2017 05:12

Vb net leave validating

If the e-mail address is not in the standard format (containing "@" and "."), the validation fails, an Error Provider icon is displayed, and the event is canceled.This example requires that a Text Box and Error Provider control have been created on a form. I have form with two or three controls that require validation on exit. Hi Rob, I had a similar problem exiting any form that required validation in any way. It's a bit cryptic (including a typo or two), but it works fine. HTH, Bernie Yaeger --------------------- Hey Rulin, Excellent code - I've been looking for this for some time! Validating If Need Validting Then 'Do Validating End If End Sub Protected Overrides Sub Wnd Proc(By Ref m As System. Wnd Proc(m) End Sub ---------------- "Rob Bradford" wrote in message news:bn********************************@4.. Except if the user clicks on the exit button whilst in one of these fobjects/fields . I just want the form to exit without executing the validation. Run the sample program on the companion CD, type something in the required Text Box, and then move to the second field.Because the second field's Causes Validation property is True, Visual Basic fires a Validate event in the first Text Box control: Private Sub txt Required_Validate(Cancel As Boolean) ' Check that field is not empty. Text = "" Then Msg Box "Please enter something here", vb Exclamation Cancel = True End If End Sub If the Cancel parameter is set to True, Visual Basic cancels the user's action and takes the input focus back on the txt Required control: No other Got Focus and Lost Focus events are generated.

I have form with two or three controls that require validation on exit. Not only does it make maitenance of the validation easier, it solves your problem and makes your application easier to use. (See the figure below.) You don't want to perform validation if the user presses the Cancel or Help buttons, so you set their Causes Validation properties to False.The default value for this property is True, so you don't have to modify it for the other controls. This is what the form looks like when the grid is populated, gyazo.com/3c8f00ac68f5ecb751a3d3e42bf6db54. – user5779132 Jan 13 '16 at Alright, unfortunately i'm only a beginner at coding and visual basic so if you could point me in the right direction code wise it would be GREATLY appreciated.

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