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Friday, November 07, 2003

C# Course


http://www.jaggersoft.com/csharp_course/
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Posted On Friday, November 07, 2003 1:55 PM | Feedback (0)

Some clean code...


Simple tip that's saved me some time: 

//This will set the variable test to null:

string test = Convert.ToString(ConfigurationSettings.AppSettings["Missing.Value"]);



//This will throw an exception:

string test = ConfigurationSettings.AppSettings["Missing.Value"].ToString();



The problem with the second statement is that null doesn't have a .ToString() method.
Either situation can be handled, but most of the time it's a lot cleaner to check for a null than to raise the exception.

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Posted On Friday, November 07, 2003 10:29 AM | Feedback (0)

 

 

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