[Gambas-user] try if error

PICCORO McKAY Lenz mckaygerhard at gmail.com
Wed Jun 20 14:32:59 CEST 2018


2018-06-20 6:36 GMT-04:00 Gianluigi <bagonergi at gmail.com>:

> If we want to go to the next line in case of error, use only 'Try' you do
> not need to check if there is an error and tell Gambas to go to the next
> line, because it already does so in silence.
>
Of course thank to point the no complicated things .. puff

Gambas is not .net or vb
>
Thas the first sentence to "try" before so much confusion! XD XD XD



>
> 2018-06-20 11:26 GMT+02:00 Adam Ant <adamnt42 at gmail.com>:
>
>> You cannot use Try If because If will always return a value.
>> The above posters are correct.
>>
>> Dim Trydate as Date
>>
>> Try Trydate=(gibberish)
>> If Error then
>>   handle it
>> else
>>   do whatever
>> Endif
>>
>> On Wed, Jun 20, 2018 at 5:45 PM, Mike Crean via User <
>> user at lists.gambas-basic.org> wrote:
>>
>>> If it were available in Gambas I would think it would be something like
>>>
>>> Try
>>>     Date(2018,13,1)
>>> If Error Then
>>>     Resume Next
>>>
>>> Tegards
>>> Mike
>>>
>>>
>>>
>>> On Wednesday, 20 June 2018, 4:10:05 pm AWST, Mike Crean via User <
>>> user at lists.gambas-basic.org> wrote:
>>>
>>>
>>> In VB.Net it is
>>>
>>> Try
>>>     Date(2018,13,1)
>>> If Error Resume Next
>>>
>>> This will tell it to resume at the next error without taking any other
>>> action.
>>>
>>> Regards
>>> Mike
>>>
>>> On Wednesday, 20 June 2018, 3:48:06 pm AWST, Gianluigi <
>>> bagonergi at gmail.com> wrote:
>>>
>>>
>>> I can not understand what you want to get.
>>> Now also .net uses Try, Catch and Finally.
>>> If you want to continue after the error set just try:
>>> Try something
>>> Try something else
>>> if you want to stop set:
>>> Try something
>>> if error then return
>>> Otherwise read here:
>>> http://gambaswiki.org/wiki/comp/gb/error
>>>
>>> In particular:
>>> Public Sub Main()
>>>
>>>   Dim x As Date
>>>
>>>   Try x = Date(2018, 13, 1)
>>>   If Error Then
>>>     Print "Month max 12"
>>>   Else
>>>     Print "Exit"
>>>     Return
>>>   Endif
>>>
>>> End
>>>
>>> Regards
>>> Gianluigi
>>>
>>> 2018-06-20 0:18 GMT+02:00 Mayost Sharon <sharon at 455.co.il>:
>>>
>>> OK
>>>
>>> BUT IS:
>>>
>>> Try If Date(2018,13,1) then stop
>>>
>>> ---------- Original Message -----------
>>> From: Gianluigi <bagonergi at gmail.com>
>>> To: Gambas Mailing List <user at lists.gambas-basic.org>
>>> Sent: Tue, 19 Jun 2018 23:52:14 +0200
>>> Subject: Re: [Gambas-user] try if error
>>>
>>> > Public Sub Main()
>>> >
>>> >   Dim i As Integer
>>> >
>>> >   Try i = "Mickey Mouse"
>>> >   Try i = "Pluto"
>>> >   Try i = "1"
>>> >   Print i
>>> >
>>> > End
>>> >
>>> > Regards
>>> > Gianluigi
>>> >
>>> > 2018-06-19 23:37 GMT+02:00 Mayost Sharon <sharon at 455.co.il>:
>>> >
>>> > > Sorry
>>> > > I meant in Visual Basic
>>> > > To skip to the next line
>>> > > There is the command
>>> > >
>>> > > On Error Resume Next
>>> > >
>>> > > In GAMBAS there is no possibility
>>> > >
>>> > >
>>> > > ---------- Original Message -----------
>>> > > From: Gianluigi <bagonergi at gmail.com>
>>> > > To: Gambas Mailing List <user at lists.gambas-basic.org>
>>> > > Sent: Tue, 19 Jun 2018 23:05:47 +0200
>>> > > Subject: Re: [Gambas-user] try if error
>>> > >
>>> > > > For those who want to know what 'Goto 0' means in Vb:
>>> > > > https://stackoverflow.com/ questions/9983464/why-would-
>>> <https://stackoverflow.com/questions/9983464/why-would->
>>> > > you-ever-use-on-error-
>>> > > > goto-0
>>> > > >
>>> > > > Regards
>>> > > > Gianluigi
>>> > > >
>>> > > > 2018-06-19 22:54 GMT+02:00 Mayost Sharon <sharon at 455.co.il>:
>>> > > >
>>> > > > > OK
>>> > > > >
>>> > > > > Many thanks
>>> > > > >
>>> > > > > ---------- Original Message -----------
>>> > > > > From: Jussi Lahtinen <jussi.lahtinen at gmail.com>
>>> > > > > To: Gambas Mailing List <user at lists.gambas-basic.org>
>>> > > > > Sent: Tue, 19 Jun 2018 23:49:33 +0300
>>> > > > > Subject: Re: [Gambas-user] try if error
>>> > > > >
>>> > > > > > Dim hDate As Date
>>> > > > > >
>>> > > > > > Try hDate =Date(2018, 13, 1)
>>> > > > > >
>>> > > > > >     If Error Then
>>> > > > > >       Print "Date Error"
>>> > > > > >     Endif
>>> > > > > >
>>> > > > > >  If hDate = something Then
>>> > > > > >
>>> > > > > > ...
>>> > > > > >
>>> > > > > > Jussi
>>> > > > > >
>>> > > > > > On Tue, Jun 19, 2018 at 11:46 PM, Mayost Sharon <
>>> sharon at 455.co.il>
>>> > > > > wrote:
>>> > > > > >
>>> > > > > > > This is not a good option
>>> > > > > > > Because it will send a print every time
>>> > > > > > > If the date is correct
>>> > > > > > >
>>> > > > > > > ---------- Original Message -----------
>>> > > > > > > From: Yahoo via User <user at lists.gambas-basic.org>
>>> > > > > > > To: Gambas Mailing List <user at lists.gambas-basic.org>, Jussi
>>> > > Lahtinen
>>> > > > > > > <jussi.lahtinen at gmail.com>
>>> > > > > > > Cc: Yahoo <olivier.cruilles at yahoo.fr>
>>> > > > > > > Sent: Tue, 19 Jun 2018 16:35:33 -0400
>>> > > > > > > Subject: Re: [Gambas-user] try if error
>>> > > > > > >
>>> > > > > > > > Better this form:
>>> > > > > > > >
>>> > > > > > > > Try Print Date(2018, 13, 1)
>>> > > > > > > > IF Error Then
>>> > > > > > > >    Print "Wrong Date format"
>>> > > > > > > > else
>>> > > > > > > >    ‘ Do something whit your date….
>>> > > > > > > > End If
>>> > > > > > > >
>>> > > > > > > > Cordialement,
>>> > > > > > > > —
>>> > > > > > > > Olivier Cruilles
>>> > > > > > > > Email: olivier.cruilles at yahoo.fr
>>> > > > > > > >
>>> > > > > > > > Le June 19, 2018 à 16:30:03, Jussi Lahtinen (
>>> > > > > jussi.lahtinen at gmail.com)
>>> > > > > > > a écrit:
>>> > > > > > > >
>>> > > > > > > > Oh, maybe you want to use Catch structure...
>>> > > > > > > > http://gambaswiki.org/wiki/ lang/catch
>>> <http://gambaswiki.org/wiki/lang/catch>
>>> > > > > > > >
>>> > > > > > > > Jussi
>>> > > > > > > >
>>> > > > > > > > On Tue, Jun 19, 2018 at 11:27 PM, Jussi Lahtinen <
>>> > > > > > > jussi.lahtinen at gmail.com> wrote:
>>> > > > > > > > I don't understand the problem.
>>> > > > > > > >
>>> > > > > > > > If Error Then Goto ErrorHandling
>>> > > > > > > >
>>> > > > > > > > ...
>>> > > > > > > >
>>> > > > > > > > ErrorHandling:
>>> > > > > > > > Print "Here is my error handling"
>>> > > > > > > >
>>> > > > > > > > Jussi
>>> > > > > > > >
>>> > > > > > > > On Tue, Jun 19, 2018 at 11:22 PM, Mayost Sharon <
>>> > > sharon at 455.co.il>
>>> > > > > > > wrote:
>>> > > > > > > > In Visual Basic
>>> > > > > > > > there is
>>> > > > > > > > on error goto 0
>>> > > > > > > >
>>> > > > > > > > ---------- Original Message -----------
>>> > > > > > > > From: PICCORO McKAY Lenz <mckaygerhard at gmail.com>
>>> > > > > > > > To: Gambas Mailing List <user at lists.gambas-basic.org>
>>> > > > > > > > Sent: Tue, 19 Jun 2018 16:18:06 -0400
>>> > > > > > > > Subject: Re: [Gambas-user] try if error
>>> > > > > > > >
>>> > > > > > > > > 2018-06-19 16:06 GMT-04:00 Mayost Sharon <
>>> sharon at 455.co.il>:
>>> > > > > > > > >
>>> > > > > > > > > > Hello
>>> > > > > > > > > >
>>> > > > > > > > > > How do I proceed to the next line
>>> > > > > > > > > > If there is an error
>>> > > > > > > > > >
>>> > > > > > > > > for cases when it's error format or error of invalid
>>> date just:
>>> > > > > > > > >
>>> > > > > > > > > If Date(2018, 13, 1) Then
>>> > > > > > > > >
>>> > > > > > > > > for others error might be a good question unless
>>> compared using
>>> > > > > Comp()
>>> > > > > > > as
>>> > > > > > > > > strings!
>>> > > > > > > > >
>>> > > > > > > > > i dont know what other type of errors can be produced
>>> here!
>>> > > > > > > > >
>>> > > > > > > > > >
>>> > > > > > > > > > For example, if the date is not correct
>>> > > > > > > > > >
>>> > > > > > > > > > ' Gambas module file
>>> > > > > > > > > >
>>> > > > > > > > > > Public Sub Main()
>>> > > > > > > > > >
>>> > > > > > > > > >   Try Print Date(2018, 13, 1)
>>> > > > > > > > > >
>>> > > > > > > > > >   If Date(2018, 13, 1) Then
>>> > > > > > > > > >
>>> > > > > > > > > >   Endif
>>> > > > > > > > > >
>>> > > > > > > > > > End
>>> > > > > > > > > >
>>> > > > > > > > > > Thank you
>>> > > > > > > > > >
>>> > > > > > > > > > ----[ Gambas mailing-list is hosted by
>>> > > > > https://www.hostsharing.net
>>> > > > > > > ]----
>>> > > > > > > > > >
>>> > > > > > > > ------- End of Original Message -------
>>> > > > > > > >
>>> > > > > > > > ----[ Gambas mailing-list is hosted by
>>> > > https://www.hostsharing.net
>>> > > > > ]----
>>> > > > > > > >
>>> > > > > > > > ----[ Gambas mailing-list is hosted by
>>> > > https://www.hostsharing.net
>>> > > > > ]----
>>> > > > > > > ------- End of Original Message -------
>>> > > > > > >
>>> > > > > > >
>>> > > > > > > ----[ Gambas mailing-list is hosted by
>>> https://www.hostsharing.net
>>> > > > > ]----
>>> > > > > > >
>>> > > > > ------- End of Original Message -------
>>> > > > >
>>> > > > >
>>> > > > > ----[ Gambas mailing-list is hosted by
>>> https://www.hostsharing.net
>>> > > ]----
>>> > > > >
>>> > > ------- End of Original Message -------
>>> > >
>>> > >
>>> > > ----[ Gambas mailing-list is hosted by https://www.hostsharing.net
>>> ]----
>>> > >
>>> ------- End of Original Message -------
>>>
>>>
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