[Gambas-user] Second Form not reading Public variable from first form
Olivier Cruilles
linuxos at ...1896...
Thu Aug 9 21:25:18 CEST 2012
Can you put the code that you obtain now in a main Form and in the second Form please ?
Cordialement,
Olivier Cruilles
Mail: linuxos at ...1896...
Le 9 août 2012 à 21:22, rocko <sunblaster5 at ...626...> a écrit :
> Ok I see,
> I've added FMain.xxxx
> but now I'm getting "Driver name missing" at FMain.Open
>
>
> On Thu, 2012-08-09 at 21:08 +0200, Olivier Cruilles wrote:
>> Hello,
>>
>> When you declare a variable as PUBLIC in a Form (Ex: FMain) and if you want to access to this variable from another Form you need to rewrite the first Form like that:
>>
>>
>> In the second Form use this: FMain.$hConn (But only if the variable is declared as PUBLIC, not PRIVATE)
>>
>>
>>
>> Cordialement,
>>
>> Olivier Cruilles
>> Mail: linuxos at ...1896...
>>
>> Le 9 août 2012 à 20:26, rocko <sunblaster5 at ...626...> a écrit :
>>
>>> If I declare a Public variable is it available across all Forms and
>>> Modules??
>>> I ask because I'm having difficulty with a $hConn variable
>>>
>>> I have a FMain form that connects to an sqlite database when the form is
>>> opened.
>>> Public Sub Form_Open()
>>> $hConn = New Connection
>>> With $hConn
>>> .Host = "path to database"
>>> and so on....
>>> I have $hConn declared as Public at the top of the FMain.Class
>>> This so far works fine, the form opens and I get the Message.Info
>>> "You are connected to the database"
>>>
>>> It's when the second form loads, Have a 'Add New' button on FMain which
>>> opens the FNew form which can be used to add a record to the database,
>>> but I was getting an error when I click the 'Commit' button.
>>>
>>> Something about rTable and $hConn being NULL Objects, so I added an
>>> $hConn = New Connection, but now I'm getting:
>>> "Unknown Identifier" for $hConn.
>>> here is the Code for the FNew form:
>>>
>>> ' Gambas class file
>>>
>>> '
>>> Private rTable As Result
>>>
>>> 'Public $hConn As Connection
>>>
>>> Public Sub btnCommit_Click()
>>>
>>> $hConn = New Connection
>>> ' $hConn.Open
>>>
>>> rTable = $hConn.Create("inventory")
>>>
>>> If rTable.Available Then
>>> rTable!name = txtName.Text
>>> rTable!type = txtType.Text
>>> Try rTable.Update
>>> If Error Then
>>> Print "Update failed"
>>> Message.Error(ERROR.Text)
>>>
>>> Endif
>>> Endif
>>>
>>> DB.Commit
>>>
>>>
>>> End
>>>
>>> Public Sub btnCancel_Click()
>>>
>>> FNew.Close
>>>
>>> End
>>>
>>> Was also getting an error on the rTable AS Result when I had in the Sub
>>> as DIM rTable AS Result>>"Unexpected Dim"
>>> So I moved to the top of the class, don't know if that was good Idea
>>> though.
>>> I thought if I declared $hConn as Public it would be available to the
>>> Fnew form, but that doesn't seem to be the case
>>> Any insight would be helpful..
>>>
>>>
>>>
>>>
>>>
>>>
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>
>
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> will include endpoint security, mobile security and the latest in malware
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