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Extending the scope of a variable
Message
De
22/05/2009 14:56:52
 
 
Information générale
Forum:
ASP.NET
Catégorie:
Formulaires
Versions des environnements
Environment:
C# 2.0
OS:
Windows XP SP2
Network:
Windows 2003 Server
Divers
Thread ID:
01401587
Message ID:
01401591
Vues:
42
>>Hi All,
>>
>>Given the following code
>>
>>                CSite site; //variable declaration
>>
>>                while ((input = sr.ReadLine()) != null)
>>                {
>>                    if (input.StartsWith("["))
>>                    {
>>                        site = new CSite();  //variable instantiation
>>                        input = input.TrimStart('[');
>>                        input = input.TrimEnd(']');
>>                        site.SiteName = input;
>>                        site.NodeType = CApplication.NodeType.Site;                        
>>                    }
>>                    if (input.StartsWith("Address"))
>>                        site.SiteAddress = input.Substring(8);  // **ERROR
>>                    if (input.StartsWith("DESCRIPTION"))                        
>>                        site.SiteDescription = input.Substring(12);  //**ERROR
>>
>>
>>
>>This compiles with the error "use of unassigned local variable site" and refers to the site in the second two if statements. My question is how can I extend the scope of site in the first if block to those of the second two if blocks?
>
>Can you try
>
> CSite site = null; //variable declaration
>
>instead?
>
>You need to initialize the site variable with something. Also in your checks you may also check for site!=null

That did it, Thanks.
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