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Use of variable prior to assignment in VB 2005
Message
De
14/06/2007 08:22:37
Mike Cole
Yellow Lab Technologies
Stanley, Iowa, États-Unis
 
 
À
14/06/2007 00:45:37
Information générale
Forum:
ASP.NET
Catégorie:
Code, syntaxe and commandes
Divers
Thread ID:
01232383
Message ID:
01232934
Vues:
10
DOH! You know what? I dummied the code sample up after I pasted it and took the CASE statement out. So should I be initializing these classes to NOTHING when I declare them?


>That doesn't make sense that you're getting a warning ... you *are* setting the myHistoricalRatesDS in the statement right before the return. I don't get why you have a warning. Now, if you had an if statement in there, it would make sense to me, but the way you're showed it here, it doesn't make sense that there should be a warning.
>
>Of course, I don't use VB, so what do I know?!?!? <g>
>
>~~Bonnie
>
>
>>I keep getting a lot of "Use of variable prior to assignment" warnings in VB 2005. I know that I can turn them off at the project level and usually do this, but it makes me suspicious that maybe I am doing something that I shouldn't. Here is a snippet in a business class:
>>
>>
>>    Public Function LoadHistoricalRates() As HistoricalRatesDS
>>
>>        'This is my data access class...
>>        Dim myHistoricalRatesData As New HistoricalRatesData
>>        'This is my dataset.  I don't instantiate it here because it is instantiated
>>        'in my data access class...
>>        Dim myHistoricalRatesDS As HistoricalRatesDS
>>
>>        'An instance of HistoricalRatesDS is instantiated in my data access
>>        'class so I don't instantiate it again...
>>        myHistoricalRatesDS = myHistoricalRatesData.LoadHistoricalRates
>>
>>        'Here is where I get the warning...
>>        Return myHistoricalRatesDS
>>
>>    End Function
>>
Very fitting: http://xkcd.com/386/
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