[Gambas-user] try if error

Gianluigi bagonergi at gmail.com
Wed Jun 20 12:36:38 CEST 2018 

We are creating confusion.
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.
Gambas is not .net or vb

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 -------
>> > > > > > > >
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>> > > > > > > ------- End of Original Message -------
>> > > > > > >
>> > > > > > >
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>> > > > > ------- End of Original Message -------
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>> > > ------- End of Original Message -------
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